diff --git a/dom/presentation/PresentationDataChannelSessionTransport.js b/dom/presentation/PresentationDataChannelSessionTransport.js
index 6fa7739fd26e..94b2d5568a40 100644
--- a/dom/presentation/PresentationDataChannelSessionTransport.js
+++ b/dom/presentation/PresentationDataChannelSessionTransport.js
@@ -9,7 +9,7 @@ ChromeUtils.import("resource://gre/modules/Services.jsm");
 
 // Bug 1228209 - plan to remove this eventually
 function log(aMsg) {
-  //dump("-*- PresentationDataChannelSessionTransport.js : " + aMsg + "\n");
+  // dump("-*- PresentationDataChannelSessionTransport.js : " + aMsg + "\n");
 }
 
 const PRESENTATIONTRANSPORT_CID = Components.ID("{dd2bbf2f-3399-4389-8f5f-d382afb8b2d6}");
@@ -50,7 +50,7 @@ PresentationTransportBuilder.prototype = {
                                           Ci.nsIPresentationDataChannelSessionTransportBuilder,
                                           Ci.nsITimerCallback]),
 
-  buildDataChannelTransport: function(aRole, aWindow, aListener) {
+  buildDataChannelTransport(aRole, aWindow, aListener) {
     if (!aRole || !aWindow || !aListener) {
       log("buildDataChannelTransport with illegal parameters");
       throw Cr.NS_ERROR_ILLEGAL_VALUE;
@@ -85,7 +85,7 @@ PresentationTransportBuilder.prototype = {
           .then(() => this._listener
                           .sendOffer(new PresentationDataChannelDescription(this._peerConnection.localDescription)))
           .catch(e => this._reportError(e));
-    }
+    };
 
     switch (this._role) {
       case Ci.nsIPresentationService.ROLE_CONTROLLER:
@@ -99,7 +99,7 @@ PresentationTransportBuilder.prototype = {
           // Ensure the binaryType of dataChannel is blob.
           this._dataChannel.binaryType = "blob";
           this._setDataChannel();
-        }
+        };
         break;
       default:
        throw Cr.NS_ERROR_ILLEGAL_VALUE;
@@ -114,18 +114,18 @@ PresentationTransportBuilder.prototype = {
     this._timer.initWithCallback(this, timeout, this._timer.TYPE_ONE_SHOT);
   },
 
-  notify: function() {
+  notify() {
     if (!this._sessionTransport) {
       this._cleanup(Cr.NS_ERROR_NET_TIMEOUT);
     }
   },
 
-  _reportError: function(aError) {
+  _reportError(aError) {
     log("report Error " + aError.name + ":" + aError.message);
     this._cleanup(Cr.NS_ERROR_FAILURE);
   },
 
-  _setDataChannel: function() {
+  _setDataChannel() {
     this._dataChannel.onopen = () => {
       log("data channel is open, notify the listener, role " + this._role);
 
@@ -146,10 +146,10 @@ PresentationTransportBuilder.prototype = {
     this._dataChannel.onerror = aError => {
       log("data channel onerror " + aError.name + ":" + aError.message);
       this._cleanup(Cr.NS_ERROR_FAILURE);
-    }
+    };
   },
 
-  _cleanup: function(aReason) {
+  _cleanup(aReason) {
     if (aReason != Cr.NS_OK) {
       this._listener.onError(aReason);
     }
@@ -177,7 +177,7 @@ PresentationTransportBuilder.prototype = {
   },
 
   // nsIPresentationControlChannelListener
-  onOffer: function(aOffer) {
+  onOffer(aOffer) {
     if (this._role !== Ci.nsIPresentationService.ROLE_RECEIVER ||
           this._sessionTransport) {
       log("onOffer status error");
@@ -196,11 +196,11 @@ PresentationTransportBuilder.prototype = {
         .then(() => {
           this._isControlChannelNeeded = false;
           this._listener
-              .sendAnswer(new PresentationDataChannelDescription(this._peerConnection.localDescription))
+              .sendAnswer(new PresentationDataChannelDescription(this._peerConnection.localDescription));
         }).catch(e => this._reportError(e));
   },
 
-  onAnswer: function(aAnswer) {
+  onAnswer(aAnswer) {
     if (this._role !== Ci.nsIPresentationService.ROLE_CONTROLLER ||
           this._sessionTransport) {
       log("onAnswer status error");
@@ -216,7 +216,7 @@ PresentationTransportBuilder.prototype = {
     this._isControlChannelNeeded = false;
   },
 
-  onIceCandidate: function(aCandidate) {
+  onIceCandidate(aCandidate) {
     log("onIceCandidate: " + aCandidate + " with role " + this._role);
     if (!this._window || !this._peerConnection) {
       log("ignoring ICE candidate after connection");
@@ -226,7 +226,7 @@ PresentationTransportBuilder.prototype = {
     this._peerConnection.addIceCandidate(candidate).catch(e => this._reportError(e));
   },
 
-  notifyDisconnected: function(aReason) {
+  notifyDisconnected(aReason) {
     log("notifyDisconnected reason: " + aReason);
 
     if (aReason != Cr.NS_OK) {
@@ -247,7 +247,7 @@ PresentationTransport.prototype = {
   contractID: PRESENTATIONTRANSPORT_CONTRACTID,
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationSessionTransport]),
 
-  init: function(aPeerConnection, aDataChannel, aWindow) {
+  init(aPeerConnection, aDataChannel, aWindow) {
     log("initWithDataChannel");
     this._enableDataNotification = false;
     this._dataChannel = aDataChannel;
@@ -264,7 +264,7 @@ PresentationTransport.prototype = {
         this._callback.notifyTransportClosed(this._closeReason);
       }
       this._cleanup();
-    }
+    };
 
     this._dataChannel.onmessage = aEvent => {
       log("data channel onmessage " + aEvent.data);
@@ -283,7 +283,7 @@ PresentationTransport.prototype = {
         this._callback.notifyTransportClosed(Cr.NS_ERROR_FAILURE);
       }
       this._cleanup();
-    }
+    };
   },
 
   // nsIPresentationTransport
@@ -299,12 +299,12 @@ PresentationTransport.prototype = {
     this._callback = aCallback;
   },
 
-  send: function(aData) {
+  send(aData) {
     log("send " + aData);
     this._dataChannel.send(aData);
   },
 
-  sendBinaryMsg: function(aData) {
+  sendBinaryMsg(aData) {
     log("sendBinaryMsg");
 
     let array = new Uint8Array(aData.length);
@@ -315,13 +315,13 @@ PresentationTransport.prototype = {
     this._dataChannel.send(array);
   },
 
-  sendBlob: function(aBlob) {
+  sendBlob(aBlob) {
     log("sendBlob");
 
     this._dataChannel.send(aBlob);
   },
 
-  enableDataNotification: function() {
+  enableDataNotification() {
     log("enableDataNotification");
     if (this._enableDataNotification) {
       return;
@@ -337,13 +337,13 @@ PresentationTransport.prototype = {
     this._messageQueue = [];
   },
 
-  close: function(aReason) {
+  close(aReason) {
     this._closeReason = aReason;
 
     this._dataChannel.close();
   },
 
-  _cleanup: function() {
+  _cleanup() {
     this._dataChannel = null;
 
     if (this._peerConnection) {
@@ -355,7 +355,7 @@ PresentationTransport.prototype = {
     this._window = null;
   },
 
-  _doNotifyData: function(aData) {
+  _doNotifyData(aData) {
     if (!this._callback) {
       throw Cr.NS_ERROR_NOT_AVAILABLE;
     }
diff --git a/dom/presentation/PresentationNetworkHelper.js b/dom/presentation/PresentationNetworkHelper.js
index 068a582da890..db2dd32f3cbd 100644
--- a/dom/presentation/PresentationNetworkHelper.js
+++ b/dom/presentation/PresentationNetworkHelper.js
@@ -16,7 +16,7 @@ PresentationNetworkHelper.prototype = {
   classID: NETWORKHELPER_CID,
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationNetworkHelper]),
 
-  getWifiIPAddress: function(aListener) {
+  getWifiIPAddress(aListener) {
     EventDispatcher.instance.sendRequestForResult({type: "Wifi:GetIPAddress"})
              .then(result => aListener.onGetWifiIPAddress(result),
                    err => aListener.onError(err));
diff --git a/dom/presentation/provider/AndroidCastDeviceProvider.js b/dom/presentation/provider/AndroidCastDeviceProvider.js
index a00949c19b7d..735b265fac39 100644
--- a/dom/presentation/provider/AndroidCastDeviceProvider.js
+++ b/dom/presentation/provider/AndroidCastDeviceProvider.js
@@ -22,7 +22,7 @@ function log(str) {
 function descriptionToString(aDescription) {
   let json = {};
   json.type = aDescription.type;
-  switch(aDescription.type) {
+  switch (aDescription.type) {
     case Ci.nsIPresentationChannelDescription.TYPE_TCP:
       let addresses = aDescription.tcpAddress.QueryInterface(Ci.nsIArray);
       json.tcpAddress = [];
diff --git a/dom/presentation/provider/ControllerStateMachine.jsm b/dom/presentation/provider/ControllerStateMachine.jsm
index 65e736ddb9f1..6ddd235b4b7d 100644
--- a/dom/presentation/provider/ControllerStateMachine.jsm
+++ b/dom/presentation/provider/ControllerStateMachine.jsm
@@ -96,8 +96,8 @@ ControllerStateMachine.prototype = {
     if (this.state === State.CONNECTED) {
       this._sendCommand({
         type: CommandType.LAUNCH,
-        presentationId: presentationId,
-        url: url,
+        presentationId,
+        url,
       });
     }
   },
@@ -106,7 +106,7 @@ ControllerStateMachine.prototype = {
     if (this.state === State.CONNECTED) {
       this._sendCommand({
         type: CommandType.TERMINATE,
-        presentationId: presentationId,
+        presentationId,
       });
     }
   },
@@ -115,7 +115,7 @@ ControllerStateMachine.prototype = {
     if (this.state === State.CONNECTED) {
       this._sendCommand({
         type: CommandType.TERMINATE_ACK,
-        presentationId: presentationId,
+        presentationId,
       });
     }
   },
@@ -124,8 +124,8 @@ ControllerStateMachine.prototype = {
     if (this.state === State.CONNECTED) {
       this._sendCommand({
         type: CommandType.RECONNECT,
-        presentationId: presentationId,
-        url: url,
+        presentationId,
+        url,
       });
     }
   },
@@ -134,7 +134,7 @@ ControllerStateMachine.prototype = {
     if (this.state === State.CONNECTED) {
       this._sendCommand({
         type: CommandType.OFFER,
-        offer: offer,
+        offer,
       });
     }
   },
@@ -148,7 +148,7 @@ ControllerStateMachine.prototype = {
     if (this.state === State.CONNECTED) {
       this._sendCommand({
         type: CommandType.ICE_CANDIDATE,
-        candidate: candidate,
+        candidate,
       });
     }
   },
@@ -176,7 +176,7 @@ ControllerStateMachine.prototype = {
         } else {
           this._sendCommand({
             type: CommandType.DISCONNECT,
-            reason: reason
+            reason
           });
           this.state = State.CLOSING;
           this._closeReason = reason;
@@ -203,7 +203,7 @@ ControllerStateMachine.prototype = {
   },
 
   _notifyDeviceConnected: function _notifyDeviceConnected() {
-    //XXX trigger following command
+    // XXX trigger following command
     this._channel.notifyDeviceConnected();
   },
 
diff --git a/dom/presentation/provider/PresentationControlService.js b/dom/presentation/provider/PresentationControlService.js
index b35feab31683..7616277e3707 100644
--- a/dom/presentation/provider/PresentationControlService.js
+++ b/dom/presentation/provider/PresentationControlService.js
@@ -50,9 +50,9 @@ PresentationControlService.prototype = {
    */
   _controlChannels: [],
 
-  startServer: function(aEncrypted, aPort) {
+  startServer(aEncrypted, aPort) {
     if (this._isServiceInit()) {
-      DEBUG && log("PresentationControlService - server socket has been initialized");  // jshint ignore:line
+      DEBUG && log("PresentationControlService - server socket has been initialized"); // jshint ignore:line
       throw Cr.NS_ERROR_FAILURE;
     }
 
@@ -67,8 +67,8 @@ PresentationControlService.prototype = {
       let localCertService = Cc["@mozilla.org/security/local-cert-service;1"]
                                .getService(Ci.nsILocalCertService);
       localCertService.getOrCreateCert(kLocalCertName, {
-        handleCert: function(aCert, aRv) {
-          DEBUG && log("PresentationControlService - handleCert");  // jshint ignore:line
+        handleCert(aCert, aRv) {
+          DEBUG && log("PresentationControlService - handleCert"); // jshint ignore:line
           if (aRv) {
             self._notifyServerStopped(aRv);
           } else {
@@ -87,7 +87,7 @@ PresentationControlService.prototype = {
     }
   },
 
-  _serverSocketInit: function(aPort, aCert) {
+  _serverSocketInit(aPort, aCert) {
     if (!this._serverSocket) {
       DEBUG && log("PresentationControlService - create server socket fail."); // jshint ignore:line
       throw Cr.NS_ERROR_FAILURE;
@@ -121,7 +121,7 @@ PresentationControlService.prototype = {
     this._notifyServerReady();
   },
 
-  _notifyServerReady: function() {
+  _notifyServerReady() {
     Services.tm.dispatchToMainThread(() => {
       if (this._listener) {
         this._listener.onServerReady(this._port, this.certFingerprint);
@@ -129,7 +129,7 @@ PresentationControlService.prototype = {
     });
   },
 
-  _notifyServerStopped: function(aRv) {
+  _notifyServerStopped(aRv) {
     Services.tm.dispatchToMainThread(() => {
       if (this._listener) {
         this._listener.onServerStopped(aRv);
@@ -137,7 +137,7 @@ PresentationControlService.prototype = {
     });
   },
 
-  isCompatibleServer: function(aVersion) {
+  isCompatibleServer(aVersion) {
     // No compatibility issue for the first version of control protocol
     return this.version === aVersion;
   },
@@ -174,11 +174,11 @@ PresentationControlService.prototype = {
     return this._listener;
   },
 
-  _isServiceInit: function() {
+  _isServiceInit() {
     return this._serverSocket !== null;
   },
 
-  connect: function(aDeviceInfo) {
+  connect(aDeviceInfo) {
     if (!this.id) {
       DEBUG && log("PresentationControlService - Id has not initialized; connect fails"); // jshint ignore:line
       return null;
@@ -192,7 +192,7 @@ PresentationControlService.prototype = {
                                  "sender");
   },
 
-  _attemptConnect: function(aDeviceInfo) {
+  _attemptConnect(aDeviceInfo) {
     let sts = Cc["@mozilla.org/network/socket-transport-service;1"]
                 .getService(Ci.nsISocketTransportService);
 
@@ -222,14 +222,14 @@ PresentationControlService.prototype = {
       // Shorten the connection failure procedure.
       socketTransport.setTimeout(Ci.nsISocketTransport.TIMEOUT_CONNECT, 2);
     } catch (e) {
-      DEBUG && log("PresentationControlService - createTransport throws: " + e);  // jshint ignore:line
+      DEBUG && log("PresentationControlService - createTransport throws: " + e); // jshint ignore:line
       // Pop the exception to |TCPDevice.establishControlChannel|
       throw Cr.NS_ERROR_FAILURE;
     }
     return socketTransport;
   },
 
-  responseSession: function(aDeviceInfo, aSocketTransport) {
+  responseSession(aDeviceInfo, aSocketTransport) {
     if (!this._isServiceInit()) {
       DEBUG && log("PresentationControlService - should never receive remote " +
                    "session request before server socket initialization"); // jshint ignore:line
@@ -244,7 +244,7 @@ PresentationControlService.prototype = {
   },
 
   // Triggered by TCPControlChannel
-  onSessionRequest: function(aDeviceInfo, aUrl, aPresentationId, aControlChannel) {
+  onSessionRequest(aDeviceInfo, aUrl, aPresentationId, aControlChannel) {
     DEBUG && log("PresentationControlService - onSessionRequest: " +
                  aDeviceInfo.address + ":" + aDeviceInfo.port); // jshint ignore:line
     if (!this.listener) {
@@ -259,7 +259,7 @@ PresentationControlService.prototype = {
     this.releaseControlChannel(aControlChannel);
   },
 
-  onSessionTerminate: function(aDeviceInfo, aPresentationId, aControlChannel, aIsFromReceiver) {
+  onSessionTerminate(aDeviceInfo, aPresentationId, aControlChannel, aIsFromReceiver) {
     DEBUG && log("TCPPresentationServer - onSessionTerminate: " +
                  aDeviceInfo.address + ":" + aDeviceInfo.port); // jshint ignore:line
     if (!this.listener) {
@@ -274,7 +274,7 @@ PresentationControlService.prototype = {
     this.releaseControlChannel(aControlChannel);
   },
 
-  onSessionReconnect: function(aDeviceInfo, aUrl, aPresentationId, aControlChannel) {
+  onSessionReconnect(aDeviceInfo, aUrl, aPresentationId, aControlChannel) {
     DEBUG && log("TCPPresentationServer - onSessionReconnect: " +
                  aDeviceInfo.address + ":" + aDeviceInfo.port); // jshint ignore:line
     if (!this.listener) {
@@ -290,18 +290,18 @@ PresentationControlService.prototype = {
   },
 
   // nsIServerSocketListener (Triggered by nsIServerSocket.init)
-  onSocketAccepted: function(aServerSocket, aClientSocket) {
+  onSocketAccepted(aServerSocket, aClientSocket) {
     DEBUG && log("PresentationControlService - onSocketAccepted: " +
                  aClientSocket.host + ":" + aClientSocket.port); // jshint ignore:line
     let deviceInfo = new TCPDeviceInfo(aClientSocket.host, aClientSocket.port);
     this.holdControlChannel(this.responseSession(deviceInfo, aClientSocket));
   },
 
-  holdControlChannel: function(aControlChannel) {
+  holdControlChannel(aControlChannel) {
     this._controlChannels.push(aControlChannel);
   },
 
-  releaseControlChannel: function(aControlChannel) {
+  releaseControlChannel(aControlChannel) {
     let index = this._controlChannels.indexOf(aControlChannel);
     if (index !== -1) {
       delete this._controlChannels[index];
@@ -309,11 +309,11 @@ PresentationControlService.prototype = {
   },
 
   // nsIServerSocketListener (Triggered by nsIServerSocket.init)
-  onStopListening: function(aServerSocket, aStatus) {
+  onStopListening(aServerSocket, aStatus) {
     DEBUG && log("PresentationControlService - onStopListening: " + aStatus); // jshint ignore:line
   },
 
-  close: function() {
+  close() {
     DEBUG && log("PresentationControlService - close"); // jshint ignore:line
     if (this._isServiceInit()) {
       DEBUG && log("PresentationControlService - close server socket"); // jshint ignore:line
@@ -328,7 +328,7 @@ PresentationControlService.prototype = {
   },
 
   // nsIObserver
-  observe: function(aSubject, aTopic, aData) {
+  observe(aSubject, aTopic, aData) {
     DEBUG && log("PresentationControlService - observe: " + aTopic); // jshint ignore:line
     switch (aTopic) {
       case "network:offline-status-changed": {
@@ -342,7 +342,7 @@ PresentationControlService.prototype = {
     }
   },
 
-  _restartServer: function() {
+  _restartServer() {
     DEBUG && log("PresentationControlService - restart service"); // jshint ignore:line
 
     // restart server socket
@@ -358,9 +358,9 @@ PresentationControlService.prototype = {
   },
 
   classID: Components.ID("{f4079b8b-ede5-4b90-a112-5b415a931deb}"),
-  QueryInterface : ChromeUtils.generateQI([Ci.nsIServerSocketListener,
-                                           Ci.nsIPresentationControlService,
-                                           Ci.nsIObserver]),
+  QueryInterface: ChromeUtils.generateQI([Ci.nsIServerSocketListener,
+                                          Ci.nsIPresentationControlService,
+                                          Ci.nsIObserver]),
 };
 
 function ChannelDescription(aInit) {
@@ -414,7 +414,7 @@ ChannelDescription.prototype = {
 function discriptionAsJson(aDescription) {
   let json = {};
   json.type = aDescription.type;
-  switch(aDescription.type) {
+  switch (aDescription.type) {
     case Ci.nsIPresentationChannelDescription.TYPE_TCP:
       let addresses = aDescription.tcpAddress.QueryInterface(Ci.nsIArray);
       json.tcpAddress = [];
@@ -488,23 +488,23 @@ TCPControlChannel.prototype = {
   _pendingCloseReason: null,
   _pendingReconnect: false,
 
-  sendOffer: function(aOffer) {
+  sendOffer(aOffer) {
     this._stateMachine.sendOffer(discriptionAsJson(aOffer));
   },
 
-  sendAnswer: function(aAnswer) {
+  sendAnswer(aAnswer) {
     this._stateMachine.sendAnswer(discriptionAsJson(aAnswer));
   },
 
-  sendIceCandidate: function(aCandidate) {
+  sendIceCandidate(aCandidate) {
     this._stateMachine.updateIceCandidate(aCandidate);
   },
 
-  launch: function(aPresentationId, aUrl) {
+  launch(aPresentationId, aUrl) {
     this._stateMachine.launch(aPresentationId, aUrl);
   },
 
-  terminate: function(aPresentationId) {
+  terminate(aPresentationId) {
     if (!this._terminatingId) {
       this._terminatingId = aPresentationId;
       this._stateMachine.terminate(aPresentationId);
@@ -525,7 +525,7 @@ TCPControlChannel.prototype = {
     }
   },
 
-  _flushOutgoing: function() {
+  _flushOutgoing() {
     if (!this._outgoingEnabled || this._outgoingMsgs.length === 0) {
       return;
     }
@@ -534,7 +534,7 @@ TCPControlChannel.prototype = {
   },
 
   // may throw an exception
-  _send: function(aMsg) {
+  _send(aMsg) {
     DEBUG && log("TCPControlChannel - Send: " + JSON.stringify(aMsg, null, 2)); // jshint ignore:line
 
     /**
@@ -547,13 +547,13 @@ TCPControlChannel.prototype = {
     let message = JSON.stringify(aMsg).replace(["\n"], "") + "\n";
     try {
       this._output.write(message, message.length);
-    } catch(e) {
+    } catch (e) {
       DEBUG && log("TCPControlChannel - Failed to send message: " + e.name); // jshint ignore:line
       throw e;
     }
   },
 
-  _setSecurityObserver: function(observer) {
+  _setSecurityObserver(observer) {
     if (this._transport && this._transport.securityInfo) {
       DEBUG && log("TCPControlChannel - setSecurityObserver: " + observer); // jshint ignore:line
       let connectionInfo = this._transport.securityInfo
@@ -563,7 +563,7 @@ TCPControlChannel.prototype = {
   },
 
   // nsITLSServerSecurityObserver
-  onHandshakeDone: function(socket, clientStatus) {
+  onHandshakeDone(socket, clientStatus) {
     log("TCPControlChannel - onHandshakeDone: TLS version: " + clientStatus.tlsVersionUsed.toString(16));
     this._setSecurityObserver(null);
 
@@ -573,7 +573,7 @@ TCPControlChannel.prototype = {
   },
 
   // nsIAsyncOutputStream
-  onOutputStreamReady: function() {
+  onOutputStreamReady() {
     DEBUG && log("TCPControlChannel - onOutputStreamReady"); // jshint ignore:line
     if (this._outgoingMsgs.length === 0) {
       return;
@@ -596,7 +596,7 @@ TCPControlChannel.prototype = {
 
   // nsIAsyncInputStream (Triggered by nsIInputStream.asyncWait)
   // Only used for detecting connection refused
-  onInputStreamReady: function(aStream) {
+  onInputStreamReady(aStream) {
     DEBUG && log("TCPControlChannel - onInputStreamReady"); // jshint ignore:line
     try {
       aStream.available();
@@ -608,7 +608,7 @@ TCPControlChannel.prototype = {
   },
 
   // nsITransportEventSink (Triggered by nsISocketTransport.setEventSink)
-  onTransportStatus: function(aTransport, aStatus) {
+  onTransportStatus(aTransport, aStatus) {
     DEBUG && log("TCPControlChannel - onTransportStatus: " + aStatus.toString(16) +
                  " with role: " + this._direction); // jshint ignore:line
     if (aStatus === Ci.nsISocketTransport.STATUS_CONNECTED_TO) {
@@ -618,21 +618,21 @@ TCPControlChannel.prototype = {
   },
 
   // nsIRequestObserver (Triggered by nsIInputStreamPump.asyncRead)
-  onStartRequest: function() {
+  onStartRequest() {
     DEBUG && log("TCPControlChannel - onStartRequest with role: " +
                  this._direction); // jshint ignore:line
     this._incomingEnabled = true;
   },
 
   // nsIRequestObserver (Triggered by nsIInputStreamPump.asyncRead)
-  onStopRequest: function(aRequest, aContext, aStatus) {
+  onStopRequest(aRequest, aContext, aStatus) {
     DEBUG && log("TCPControlChannel - onStopRequest: " + aStatus +
                  " with role: " + this._direction); // jshint ignore:line
     this._stateMachine.onChannelClosed(aStatus, true);
   },
 
   // nsIStreamListener (Triggered by nsIInputStreamPump.asyncRead)
-  onDataAvailable: function(aRequest, aContext, aInputStream) {
+  onDataAvailable(aRequest, aContext, aInputStream) {
     let data = NetUtil.readInputStreamToString(aInputStream,
                                                aInputStream.available());
     DEBUG && log("TCPControlChannel - onDataAvailable: " + data); // jshint ignore:line
@@ -652,7 +652,7 @@ TCPControlChannel.prototype = {
     }
   },
 
-  _createInputStreamPump: function() {
+  _createInputStreamPump() {
     if (this._pump) {
       return;
     }
@@ -667,7 +667,7 @@ TCPControlChannel.prototype = {
   },
 
   // Handle command from remote side
-  _handleMessage: function(aMsg) {
+  _handleMessage(aMsg) {
     DEBUG && log("TCPControlChannel - handleMessage from " +
                  JSON.stringify(this._deviceInfo) + ": " + JSON.stringify(aMsg)); // jshint ignore:line
     this._stateMachine.onCommand(aMsg);
@@ -724,7 +724,7 @@ TCPControlChannel.prototype = {
    * These functions are designed to handle the interaction with listener
    * appropriately. |_FUNC| is to handle |this._listener.FUNC|.
    */
-  _onOffer: function(aOffer) {
+  _onOffer(aOffer) {
     if (!this._incomingEnabled) {
       return;
     }
@@ -737,7 +737,7 @@ TCPControlChannel.prototype = {
     this._listener.onOffer(new ChannelDescription(aOffer));
   },
 
-  _onAnswer: function(aAnswer) {
+  _onAnswer(aAnswer) {
     if (!this._incomingEnabled) {
       return;
     }
@@ -750,7 +750,7 @@ TCPControlChannel.prototype = {
     this._listener.onAnswer(new ChannelDescription(aAnswer));
   },
 
-  _notifyConnected: function() {
+  _notifyConnected() {
     this._pendingClose = false;
     this._pendingCloseReason = Cr.NS_OK;
 
@@ -764,7 +764,7 @@ TCPControlChannel.prototype = {
     this._listener.notifyConnected();
   },
 
-  _notifyDisconnected: function(aReason) {
+  _notifyDisconnected(aReason) {
     this._pendingOpen = false;
     this._pendingOffer = null;
     this._pendingAnswer = null;
@@ -785,7 +785,7 @@ TCPControlChannel.prototype = {
     this._listener.notifyDisconnected(aReason);
   },
 
-  _notifyReconnected: function() {
+  _notifyReconnected() {
     if (!this._listener) {
       this._pendingReconnect = true;
       return;
@@ -796,20 +796,20 @@ TCPControlChannel.prototype = {
     this._listener.notifyReconnected();
   },
 
-  _closeOutgoing: function() {
+  _closeOutgoing() {
     if (this._outgoingEnabled) {
       this._output.close();
       this._outgoingEnabled = false;
     }
   },
-  _closeIncoming: function() {
+  _closeIncoming() {
     if (this._incomingEnabled) {
       this._pump = null;
       this._input.close();
       this._incomingEnabled = false;
     }
   },
-  _closeTransport: function() {
+  _closeTransport() {
     if (this._disconnectTimer) {
       clearTimeout(this._disconnectTimer);
       delete this._disconnectTimer;
@@ -829,7 +829,7 @@ TCPControlChannel.prototype = {
     this._presentationService.releaseControlChannel(this);
   },
 
-  disconnect: function(aReason) {
+  disconnect(aReason) {
     DEBUG && log("TCPControlChannel - disconnect with reason: " + aReason); // jshint ignore:line
 
     // Pending disconnect during termination procedure.
@@ -855,7 +855,7 @@ TCPControlChannel.prototype = {
     }
   },
 
-  reconnect: function(aPresentationId, aUrl) {
+  reconnect(aPresentationId, aUrl) {
     DEBUG && log("TCPControlChannel - reconnect with role: " +
                  this._direction); // jshint ignore:line
     if (this._direction != "sender") {
@@ -866,12 +866,12 @@ TCPControlChannel.prototype = {
   },
 
   // callback from state machine
-  sendCommand: function(command) {
+  sendCommand(command) {
     this._outgoingMsgs.push(command);
     this._flushOutgoing();
   },
 
-  notifyDeviceConnected: function(deviceId) {
+  notifyDeviceConnected(deviceId) {
     switch (this._direction) {
       case "receiver":
         this._deviceInfo.id = deviceId;
@@ -880,12 +880,12 @@ TCPControlChannel.prototype = {
     this._notifyConnected();
   },
 
-  notifyDisconnected: function(reason) {
+  notifyDisconnected(reason) {
     this._closeTransport();
     this._notifyDisconnected(reason);
   },
 
-  notifyLaunch: function(presentationId, url) {
+  notifyLaunch(presentationId, url) {
     switch (this._direction) {
       case "receiver":
         this._presentationService.onSessionRequest(this._deviceInfo,
@@ -896,7 +896,7 @@ TCPControlChannel.prototype = {
     }
   },
 
-  notifyTerminate: function(presentationId) {
+  notifyTerminate(presentationId) {
     if (!this._terminatingId) {
       this._terminatingId = presentationId;
       this._presentationService.onSessionTerminate(this._deviceInfo,
@@ -925,7 +925,7 @@ TCPControlChannel.prototype = {
     }
   },
 
-  notifyReconnect: function(presentationId, url) {
+  notifyReconnect(presentationId, url) {
     switch (this._direction) {
       case "receiver":
         this._presentationService.onSessionReconnect(this._deviceInfo,
@@ -939,15 +939,15 @@ TCPControlChannel.prototype = {
     }
   },
 
-  notifyOffer: function(offer) {
+  notifyOffer(offer) {
     this._onOffer(offer);
   },
 
-  notifyAnswer: function(answer) {
+  notifyAnswer(answer) {
     this._onAnswer(answer);
   },
 
-  notifyIceCandidate: function(candidate) {
+  notifyIceCandidate(candidate) {
     this._listener.onIceCandidate(candidate);
   },
 
diff --git a/dom/presentation/provider/ReceiverStateMachine.jsm b/dom/presentation/provider/ReceiverStateMachine.jsm
index 7fe5cd13e5eb..917848cd2595 100644
--- a/dom/presentation/provider/ReceiverStateMachine.jsm
+++ b/dom/presentation/provider/ReceiverStateMachine.jsm
@@ -113,7 +113,7 @@ ReceiverStateMachine.prototype = {
     if (this.state === State.CONNECTED) {
       this._sendCommand({
         type: CommandType.TERMINATE,
-        presentationId: presentationId,
+        presentationId,
       });
     }
   },
@@ -122,7 +122,7 @@ ReceiverStateMachine.prototype = {
     if (this.state === State.CONNECTED) {
       this._sendCommand({
         type: CommandType.TERMINATE_ACK,
-        presentationId: presentationId,
+        presentationId,
       });
     }
   },
@@ -140,7 +140,7 @@ ReceiverStateMachine.prototype = {
     if (this.state === State.CONNECTED) {
       this._sendCommand({
         type: CommandType.ANSWER,
-        answer: answer,
+        answer,
       });
     }
   },
@@ -149,7 +149,7 @@ ReceiverStateMachine.prototype = {
     if (this.state === State.CONNECTED) {
       this._sendCommand({
         type: CommandType.ICE_CANDIDATE,
-        candidate: candidate,
+        candidate,
       });
     }
   },
@@ -173,7 +173,7 @@ ReceiverStateMachine.prototype = {
         } else {
           this._sendCommand({
             type: CommandType.DISCONNECT,
-            reason: reason
+            reason
           });
           this.state = State.CLOSING;
           this._closeReason = reason;
diff --git a/dom/presentation/tests/mochitest/PresentationDeviceInfoChromeScript.js b/dom/presentation/tests/mochitest/PresentationDeviceInfoChromeScript.js
index c01d54a53c85..14e2430addb0 100644
--- a/dom/presentation/tests/mochitest/PresentationDeviceInfoChromeScript.js
+++ b/dom/presentation/tests/mochitest/PresentationDeviceInfoChromeScript.js
@@ -1,28 +1,28 @@
 /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
 /* Any copyright is dedicated to the Public Domain.
    http://creativecommons.org/publicdomain/zero/1.0/ */
-'use strict';
+"use strict";
 
-const { XPCOMUtils } = ChromeUtils.import('resource://gre/modules/XPCOMUtils.jsm');
+const { XPCOMUtils } = ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
 
-const manager = Cc['@mozilla.org/presentation-device/manager;1']
+const manager = Cc["@mozilla.org/presentation-device/manager;1"]
                   .getService(Ci.nsIPresentationDeviceManager);
 
 var testProvider = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceProvider]),
-  forceDiscovery: function() {
-    sendAsyncMessage('force-discovery');
+  forceDiscovery() {
+    sendAsyncMessage("force-discovery");
   },
   listener: null,
 };
 
 var testDevice = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDevice]),
-  establishControlChannel: function() {
+  establishControlChannel() {
     return null;
   },
-  disconnect: function() {},
-  isRequestedUrlSupported: function(requestedUrl) {
+  disconnect() {},
+  isRequestedUrlSupported(requestedUrl) {
     return true;
   },
   id: null,
@@ -33,56 +33,56 @@ var testDevice = {
 
 var testDevice1 = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDevice]),
-  id: 'dummyid',
-  name: 'dummyName',
-  type: 'dummyType',
-  establishControlChannel: function(url, presentationId) {
+  id: "dummyid",
+  name: "dummyName",
+  type: "dummyType",
+  establishControlChannel(url, presentationId) {
     return null;
   },
-  disconnect: function() {},
-  isRequestedUrlSupported: function(requestedUrl) {
+  disconnect() {},
+  isRequestedUrlSupported(requestedUrl) {
     return true;
   },
 };
 
 var testDevice2 = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDevice]),
-  id: 'dummyid',
-  name: 'dummyName',
-  type: 'dummyType',
-  establishControlChannel: function(url, presentationId) {
+  id: "dummyid",
+  name: "dummyName",
+  type: "dummyType",
+  establishControlChannel(url, presentationId) {
     return null;
   },
-  disconnect: function() {},
-  isRequestedUrlSupported: function(requestedUrl) {
+  disconnect() {},
+  isRequestedUrlSupported(requestedUrl) {
     return true;
   },
 };
 
 var mockedDeviceWithoutSupportedURL = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDevice]),
-  id: 'dummyid',
-  name: 'dummyName',
-  type: 'dummyType',
-  establishControlChannel: function(url, presentationId) {
+  id: "dummyid",
+  name: "dummyName",
+  type: "dummyType",
+  establishControlChannel(url, presentationId) {
     return null;
   },
-  disconnect: function() {},
-  isRequestedUrlSupported: function(requestedUrl) {
+  disconnect() {},
+  isRequestedUrlSupported(requestedUrl) {
     return false;
   },
 };
 
 var mockedDeviceSupportHttpsURL = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDevice]),
-  id: 'dummyid',
-  name: 'dummyName',
-  type: 'dummyType',
-  establishControlChannel: function(url, presentationId) {
+  id: "dummyid",
+  name: "dummyName",
+  type: "dummyType",
+  establishControlChannel(url, presentationId) {
     return null;
   },
-  disconnect: function() {},
-  isRequestedUrlSupported: function(requestedUrl) {
+  disconnect() {},
+  isRequestedUrlSupported(requestedUrl) {
     if (requestedUrl.includes("https://")) {
       return true;
     }
@@ -90,57 +90,57 @@ var mockedDeviceSupportHttpsURL = {
   },
 };
 
-addMessageListener('setup', function() {
+addMessageListener("setup", function() {
   manager.addDeviceProvider(testProvider);
 
-  sendAsyncMessage('setup-complete');
+  sendAsyncMessage("setup-complete");
 });
 
-addMessageListener('trigger-device-add', function(device) {
+addMessageListener("trigger-device-add", function(device) {
   testDevice.id = device.id;
   testDevice.name = device.name;
   testDevice.type = device.type;
   manager.addDevice(testDevice);
 });
 
-addMessageListener('trigger-add-unsupport-url-device', function() {
+addMessageListener("trigger-add-unsupport-url-device", function() {
   manager.addDevice(mockedDeviceWithoutSupportedURL);
 });
 
-addMessageListener('trigger-add-multiple-devices', function() {
+addMessageListener("trigger-add-multiple-devices", function() {
   manager.addDevice(testDevice1);
   manager.addDevice(testDevice2);
 });
 
-addMessageListener('trigger-add-https-devices', function() {
+addMessageListener("trigger-add-https-devices", function() {
   manager.addDevice(mockedDeviceSupportHttpsURL);
 });
 
 
-addMessageListener('trigger-device-update', function(device) {
+addMessageListener("trigger-device-update", function(device) {
   testDevice.id = device.id;
   testDevice.name = device.name;
   testDevice.type = device.type;
   manager.updateDevice(testDevice);
 });
 
-addMessageListener('trigger-device-remove', function() {
+addMessageListener("trigger-device-remove", function() {
   manager.removeDevice(testDevice);
 });
 
-addMessageListener('trigger-remove-unsupported-device', function() {
+addMessageListener("trigger-remove-unsupported-device", function() {
   manager.removeDevice(mockedDeviceWithoutSupportedURL);
 });
 
-addMessageListener('trigger-remove-multiple-devices', function() {
+addMessageListener("trigger-remove-multiple-devices", function() {
   manager.removeDevice(testDevice1);
   manager.removeDevice(testDevice2);
 });
 
-addMessageListener('trigger-remove-https-devices', function() {
+addMessageListener("trigger-remove-https-devices", function() {
   manager.removeDevice(mockedDeviceSupportHttpsURL);
 });
 
-addMessageListener('teardown', function() {
+addMessageListener("teardown", function() {
   manager.removeDeviceProvider(testProvider);
 });
diff --git a/dom/presentation/tests/mochitest/PresentationSessionChromeScript.js b/dom/presentation/tests/mochitest/PresentationSessionChromeScript.js
index 8039ab6dd8e1..1dd5a32a08d0 100644
--- a/dom/presentation/tests/mochitest/PresentationSessionChromeScript.js
+++ b/dom/presentation/tests/mochitest/PresentationSessionChromeScript.js
@@ -1,13 +1,13 @@
 /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
 /* Any copyright is dedicated to the Public Domain.
    http://creativecommons.org/publicdomain/zero/1.0/ */
-'use strict';
+"use strict";
 
 const Cm = Components.manager;
 
-ChromeUtils.import('resource://gre/modules/XPCOMUtils.jsm');
-ChromeUtils.import('resource://gre/modules/Services.jsm');
-ChromeUtils.import('resource://gre/modules/Timer.jsm');
+ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
+ChromeUtils.import("resource://gre/modules/Services.jsm");
+ChromeUtils.import("resource://gre/modules/Timer.jsm");
 
 const uuidGenerator = Cc["@mozilla.org/uuid-generator;1"]
                       .getService(Ci.nsIUUIDGenerator);
@@ -30,11 +30,11 @@ function registerMockedFactory(contractId, mockedClassId, mockedFactory) {
     registrar.registerFactory(mockedClassId, "", contractId, mockedFactory);
   }
 
-  return { contractId: contractId,
-           mockedClassId: mockedClassId,
-           mockedFactory: mockedFactory,
-           originalClassId: originalClassId,
-           originalFactory: originalFactory };
+  return { contractId,
+           mockedClassId,
+           mockedFactory,
+           originalClassId,
+           originalFactory };
 }
 
 function registerOriginalFactory(contractId, mockedClassId, mockedFactory, originalClassId, originalFactory) {
@@ -45,7 +45,7 @@ function registerOriginalFactory(contractId, mockedClassId, mockedFactory, origi
   }
 }
 
-var sessionId = 'test-session-id-' + uuidGenerator.generateUUID().toString();
+var sessionId = "test-session-id-" + uuidGenerator.generateUUID().toString();
 
 const address = Cc["@mozilla.org/supports-cstring;1"]
                   .createInstance(Ci.nsISupportsCString);
@@ -68,7 +68,7 @@ const mockedChannelDescription = {
 const mockedServerSocket = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIServerSocket,
                                           Ci.nsIFactory]),
-  createInstance: function(aOuter, aIID) {
+  createInstance(aOuter, aIID) {
     if (aOuter) {
       throw Cr.NS_ERROR_NO_AGGREGATION;
     }
@@ -80,20 +80,20 @@ const mockedServerSocket = {
   set listener(listener) {
     this._listener = listener;
   },
-  init: function(port, loopbackOnly, backLog) {
+  init(port, loopbackOnly, backLog) {
     if (port != -1) {
       this._port = port;
     } else {
       this._port = 5678;
     }
   },
-  asyncListen: function(listener) {
+  asyncListen(listener) {
     this._listener = listener;
   },
-  close: function() {
+  close() {
     this._listener.onStopListening(this, Cr.NS_BINDING_ABORTED);
   },
-  simulateOnSocketAccepted: function(serverSocket, socketTransport) {
+  simulateOnSocketAccepted(serverSocket, socketTransport) {
     this._listener.onSocketAccepted(serverSocket, socketTransport);
   }
 };
@@ -110,17 +110,17 @@ const mockedControlChannel = {
   get listener() {
     return this._listener;
   },
-  sendOffer: function(offer) {
-    sendAsyncMessage('offer-sent', this._isValidSDP(offer));
+  sendOffer(offer) {
+    sendAsyncMessage("offer-sent", this._isValidSDP(offer));
   },
-  sendAnswer: function(answer) {
-    sendAsyncMessage('answer-sent', this._isValidSDP(answer));
+  sendAnswer(answer) {
+    sendAsyncMessage("answer-sent", this._isValidSDP(answer));
 
     if (answer.type == Ci.nsIPresentationChannelDescription.TYPE_TCP) {
       this._listener.QueryInterface(Ci.nsIPresentationSessionTransportCallback).notifyTransportReady();
     }
   },
-  _isValidSDP: function(aSDP) {
+  _isValidSDP(aSDP) {
     var isValid = false;
     if (aSDP.type == Ci.nsIPresentationChannelDescription.TYPE_TCP) {
       try {
@@ -141,52 +141,52 @@ const mockedControlChannel = {
     }
     return isValid;
   },
-  launch: function(presentationId, url) {
+  launch(presentationId, url) {
     sessionId = presentationId;
   },
-  terminate: function(presentationId) {
-    sendAsyncMessage('sender-terminate', presentationId);
+  terminate(presentationId) {
+    sendAsyncMessage("sender-terminate", presentationId);
   },
-  reconnect: function(presentationId, url) {
-    sendAsyncMessage('start-reconnect', url);
+  reconnect(presentationId, url) {
+    sendAsyncMessage("start-reconnect", url);
   },
-  notifyReconnected: function() {
+  notifyReconnected() {
     this._listener
         .QueryInterface(Ci.nsIPresentationControlChannelListener)
         .notifyReconnected();
   },
-  disconnect: function(reason) {
-    sendAsyncMessage('control-channel-closed', reason);
+  disconnect(reason) {
+    sendAsyncMessage("control-channel-closed", reason);
     this._listener.QueryInterface(Ci.nsIPresentationControlChannelListener).notifyDisconnected(reason);
   },
-  simulateReceiverReady: function() {
+  simulateReceiverReady() {
     this._listener.QueryInterface(Ci.nsIPresentationControlChannelListener).notifyReceiverReady();
   },
-  simulateOnOffer: function() {
-    sendAsyncMessage('offer-received');
+  simulateOnOffer() {
+    sendAsyncMessage("offer-received");
     this._listener.QueryInterface(Ci.nsIPresentationControlChannelListener).onOffer(mockedChannelDescription);
   },
-  simulateOnAnswer: function() {
-    sendAsyncMessage('answer-received');
+  simulateOnAnswer() {
+    sendAsyncMessage("answer-received");
     this._listener.QueryInterface(Ci.nsIPresentationControlChannelListener).onAnswer(mockedChannelDescription);
   },
-  simulateNotifyConnected: function() {
-    sendAsyncMessage('control-channel-opened');
+  simulateNotifyConnected() {
+    sendAsyncMessage("control-channel-opened");
     this._listener.QueryInterface(Ci.nsIPresentationControlChannelListener).notifyConnected();
   },
 };
 
 const mockedDevice = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDevice]),
-  id: 'id',
-  name: 'name',
-  type: 'type',
-  establishControlChannel: function(url, presentationId) {
-    sendAsyncMessage('control-channel-established');
+  id: "id",
+  name: "name",
+  type: "type",
+  establishControlChannel(url, presentationId) {
+    sendAsyncMessage("control-channel-established");
     return mockedControlChannel;
   },
-  disconnect: function() {},
-  isRequestedUrlSupported: function(requestedUrl) {
+  disconnect() {},
+  isRequestedUrlSupported(requestedUrl) {
     return true;
   },
 };
@@ -194,7 +194,7 @@ const mockedDevice = {
 const mockedDevicePrompt = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDevicePrompt,
                                           Ci.nsIFactory]),
-  createInstance: function(aOuter, aIID) {
+  createInstance(aOuter, aIID) {
     if (aOuter) {
       throw Cr.NS_ERROR_NO_AGGREGATION;
     }
@@ -206,14 +206,14 @@ const mockedDevicePrompt = {
   get request() {
     return this._request;
   },
-  promptDeviceSelection: function(request) {
+  promptDeviceSelection(request) {
     this._request = request;
-    sendAsyncMessage('device-prompt');
+    sendAsyncMessage("device-prompt");
   },
-  simulateSelect: function() {
+  simulateSelect() {
     this._request.select(mockedDevice);
   },
-  simulateCancel: function(result) {
+  simulateCancel(result) {
     this._request.cancel(result);
   }
 };
@@ -225,7 +225,7 @@ const mockedSessionTransport = {
                                           Ci.nsIPresentationDataChannelSessionTransportBuilder,
                                           Ci.nsIPresentationControlChannelListener,
                                           Ci.nsIFactory]),
-  createInstance: function(aOuter, aIID) {
+  createInstance(aOuter, aIID) {
     if (aOuter) {
       throw Cr.NS_ERROR_NO_AGGREGATION;
     }
@@ -240,18 +240,18 @@ const mockedSessionTransport = {
   get selfAddress() {
     return this._selfAddress;
   },
-  buildTCPSenderTransport: function(transport, listener) {
+  buildTCPSenderTransport(transport, listener) {
     this._listener = listener;
     this._role = Ci.nsIPresentationService.ROLE_CONTROLLER;
     this._listener.onSessionTransport(this);
     this._listener = null;
-    sendAsyncMessage('data-transport-initialized');
+    sendAsyncMessage("data-transport-initialized");
 
-    setTimeout(()=>{
+    setTimeout(() => {
       this.simulateTransportReady();
     }, 0);
   },
-  buildTCPReceiverTransport: function(description, listener) {
+  buildTCPReceiverTransport(description, listener) {
     this._listener = listener;
     this._role = Ci.nsIPresentationService.ROLE_RECEIVER;
 
@@ -263,53 +263,53 @@ const mockedSessionTransport = {
       port: description.QueryInterface(Ci.nsIPresentationChannelDescription).tcpPort,
     };
 
-    setTimeout(()=>{
+    setTimeout(() => {
       this._listener.onSessionTransport(this);
       this._listener = null;
     }, 0);
   },
   // in-process case
-  buildDataChannelTransport: function(role, window, listener) {
+  buildDataChannelTransport(role, window, listener) {
     this._listener = listener;
     this._role = role;
 
     var hasNavigator = window ? (typeof window.navigator != "undefined") : false;
-    sendAsyncMessage('check-navigator', hasNavigator);
+    sendAsyncMessage("check-navigator", hasNavigator);
 
-    setTimeout(()=>{
+    setTimeout(() => {
       this._listener.onSessionTransport(this);
       this._listener = null;
       this.simulateTransportReady();
     }, 0);
   },
-  enableDataNotification: function() {
-    sendAsyncMessage('data-transport-notification-enabled');
+  enableDataNotification() {
+    sendAsyncMessage("data-transport-notification-enabled");
   },
-  send: function(data) {
-    sendAsyncMessage('message-sent', data);
+  send(data) {
+    sendAsyncMessage("message-sent", data);
   },
-  close: function(reason) {
+  close(reason) {
     // Don't send a message after tearDown, to avoid a leak.
     if (this._callback) {
-      sendAsyncMessage('data-transport-closed', reason);
+      sendAsyncMessage("data-transport-closed", reason);
       this._callback.QueryInterface(Ci.nsIPresentationSessionTransportCallback).notifyTransportClosed(reason);
     }
   },
-  simulateTransportReady: function() {
+  simulateTransportReady() {
     this._callback.QueryInterface(Ci.nsIPresentationSessionTransportCallback).notifyTransportReady();
   },
-  simulateIncomingMessage: function(message) {
+  simulateIncomingMessage(message) {
     this._callback.QueryInterface(Ci.nsIPresentationSessionTransportCallback).notifyData(message, false);
   },
-  onOffer: function(aOffer) {
+  onOffer(aOffer) {
   },
-  onAnswer: function(aAnswer) {
+  onAnswer(aAnswer) {
   }
 };
 
 const mockedNetworkInfo = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsINetworkInfo]),
-  getAddresses: function(ips, prefixLengths) {
+  getAddresses(ips, prefixLengths) {
     ips.value = ["127.0.0.1"];
     prefixLengths.value = [0];
     return 1;
@@ -319,7 +319,7 @@ const mockedNetworkInfo = {
 const mockedNetworkManager = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsINetworkManager,
                                           Ci.nsIFactory]),
-  createInstance: function(aOuter, aIID) {
+  createInstance(aOuter, aIID) {
     if (aOuter) {
       throw Cr.NS_ERROR_NO_AGGREGATION;
     }
@@ -335,14 +335,14 @@ var requestPromise = null;
 const mockedRequestUIGlue = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationRequestUIGlue,
                                           Ci.nsIFactory]),
-  createInstance: function(aOuter, aIID) {
+  createInstance(aOuter, aIID) {
     if (aOuter) {
       throw Cr.NS_ERROR_NO_AGGREGATION;
     }
     return this.QueryInterface(aIID);
   },
-  sendRequest: function(aUrl, aSessionId) {
-    sendAsyncMessage('receiver-launching', aSessionId);
+  sendRequest(aUrl, aSessionId) {
+    sendAsyncMessage("receiver-launching", aSessionId);
     return requestPromise;
   },
 };
@@ -376,7 +376,7 @@ function tearDown() {
   mockedDevicePrompt.request = null;
   mockedSessionTransport.callback = null;
 
-  var deviceManager = Cc['@mozilla.org/presentation-device/manager;1']
+  var deviceManager = Cc["@mozilla.org/presentation-device/manager;1"]
                       .getService(Ci.nsIPresentationDeviceManager);
   deviceManager.QueryInterface(Ci.nsIPresentationDeviceListener).removeDevice(mockedDevice);
 
@@ -387,79 +387,79 @@ function tearDown() {
                             data.originalFactory);
   }
 
-  sendAsyncMessage('teardown-complete');
+  sendAsyncMessage("teardown-complete");
 }
 
-addMessageListener('trigger-device-add', function() {
-  var deviceManager = Cc['@mozilla.org/presentation-device/manager;1']
+addMessageListener("trigger-device-add", function() {
+  var deviceManager = Cc["@mozilla.org/presentation-device/manager;1"]
                       .getService(Ci.nsIPresentationDeviceManager);
   deviceManager.QueryInterface(Ci.nsIPresentationDeviceListener).addDevice(mockedDevice);
 });
 
-addMessageListener('trigger-device-prompt-select', function() {
+addMessageListener("trigger-device-prompt-select", function() {
   mockedDevicePrompt.simulateSelect();
 });
 
-addMessageListener('trigger-device-prompt-cancel', function(result) {
+addMessageListener("trigger-device-prompt-cancel", function(result) {
   mockedDevicePrompt.simulateCancel(result);
 });
 
-addMessageListener('trigger-incoming-session-request', function(url) {
-  var deviceManager = Cc['@mozilla.org/presentation-device/manager;1']
+addMessageListener("trigger-incoming-session-request", function(url) {
+  var deviceManager = Cc["@mozilla.org/presentation-device/manager;1"]
                       .getService(Ci.nsIPresentationDeviceManager);
   deviceManager.QueryInterface(Ci.nsIPresentationDeviceListener)
                .onSessionRequest(mockedDevice, url, sessionId, mockedControlChannel);
 });
 
-addMessageListener('trigger-incoming-terminate-request', function() {
-  var deviceManager = Cc['@mozilla.org/presentation-device/manager;1']
+addMessageListener("trigger-incoming-terminate-request", function() {
+  var deviceManager = Cc["@mozilla.org/presentation-device/manager;1"]
                       .getService(Ci.nsIPresentationDeviceManager);
   deviceManager.QueryInterface(Ci.nsIPresentationDeviceListener)
                .onTerminateRequest(mockedDevice, sessionId, mockedControlChannel, true);
 });
 
-addMessageListener('trigger-reconnected-acked', function(url) {
+addMessageListener("trigger-reconnected-acked", function(url) {
     mockedControlChannel.notifyReconnected();
 });
 
-addMessageListener('trigger-incoming-offer', function() {
+addMessageListener("trigger-incoming-offer", function() {
   mockedControlChannel.simulateOnOffer();
 });
 
-addMessageListener('trigger-incoming-answer', function() {
+addMessageListener("trigger-incoming-answer", function() {
   mockedControlChannel.simulateOnAnswer();
 });
 
-addMessageListener('trigger-incoming-transport', function() {
+addMessageListener("trigger-incoming-transport", function() {
   mockedServerSocket.simulateOnSocketAccepted(mockedServerSocket, mockedSocketTransport);
 });
 
-addMessageListener('trigger-control-channel-open', function(reason) {
+addMessageListener("trigger-control-channel-open", function(reason) {
   mockedControlChannel.simulateNotifyConnected();
 });
 
-addMessageListener('trigger-control-channel-close', function(reason) {
+addMessageListener("trigger-control-channel-close", function(reason) {
   mockedControlChannel.disconnect(reason);
 });
 
-addMessageListener('trigger-data-transport-close', function(reason) {
+addMessageListener("trigger-data-transport-close", function(reason) {
   mockedSessionTransport.close(reason);
 });
 
-addMessageListener('trigger-incoming-message', function(message) {
+addMessageListener("trigger-incoming-message", function(message) {
   mockedSessionTransport.simulateIncomingMessage(message);
 });
 
-addMessageListener('teardown', function() {
+addMessageListener("teardown", function() {
   tearDown();
 });
 
 var controlChannelListener;
-addMessageListener('save-control-channel-listener', function() {
+addMessageListener("save-control-channel-listener", function() {
   controlChannelListener = mockedControlChannel.listener;
 });
 
-addMessageListener('restore-control-channel-listener', function(message) {
+addMessageListener("restore-control-channel-listener", function(message) {
   mockedControlChannel.listener = controlChannelListener;
   controlChannelListener = null;
 });
@@ -470,4 +470,4 @@ obs.addObserver(function observer(aSubject, aTopic, aData) {
   obs.removeObserver(observer, aTopic);
 
   requestPromise = aSubject;
-}, 'setup-request-promise');
+}, "setup-request-promise");
diff --git a/dom/presentation/tests/mochitest/PresentationSessionChromeScript1UA.js b/dom/presentation/tests/mochitest/PresentationSessionChromeScript1UA.js
index cf125cfccc47..f30af0bdad7c 100644
--- a/dom/presentation/tests/mochitest/PresentationSessionChromeScript1UA.js
+++ b/dom/presentation/tests/mochitest/PresentationSessionChromeScript1UA.js
@@ -3,12 +3,12 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-'use strict';
+"use strict";
 
 const Cm = Components.manager;
 
-ChromeUtils.import('resource://gre/modules/XPCOMUtils.jsm');
-ChromeUtils.import('resource://gre/modules/Services.jsm');
+ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
+ChromeUtils.import("resource://gre/modules/Services.jsm");
 
 const uuidGenerator = Cc["@mozilla.org/uuid-generator;1"]
                       .getService(Ci.nsIUUIDGenerator);
@@ -27,42 +27,42 @@ const mockControlChannelOfSender = {
   set listener(listener) {
     // PresentationControllingInfo::SetControlChannel
     if (listener) {
-      debug('set listener for mockControlChannelOfSender without null');
+      debug("set listener for mockControlChannelOfSender without null");
     } else {
-      debug('set listener for mockControlChannelOfSender with null');
+      debug("set listener for mockControlChannelOfSender with null");
     }
     this._listener = listener;
   },
   get listener() {
     return this._listener;
   },
-  notifyConnected: function() {
+  notifyConnected() {
     // send offer after notifyConnected immediately
     this._listener
         .QueryInterface(Ci.nsIPresentationControlChannelListener)
         .notifyConnected();
   },
-  notifyReconnected: function() {
+  notifyReconnected() {
     // send offer after notifyOpened immediately
     this._listener
         .QueryInterface(Ci.nsIPresentationControlChannelListener)
         .notifyReconnected();
   },
-  sendOffer: function(offer) {
+  sendOffer(offer) {
     Services.tm.dispatchToMainThread(() => {
       mockControlChannelOfReceiver.onOffer(offer);
     });
   },
-  onAnswer: function(answer) {
+  onAnswer(answer) {
     this._listener
         .QueryInterface(Ci.nsIPresentationControlChannelListener)
         .onAnswer(answer);
   },
-  launch: function(presentationId, url) {
+  launch(presentationId, url) {
     sessionId = presentationId;
-    sendAsyncMessage('sender-launch', url);
+    sendAsyncMessage("sender-launch", url);
   },
-  disconnect: function(reason) {
+  disconnect(reason) {
     if (!this._listener) {
       return;
     }
@@ -71,16 +71,16 @@ const mockControlChannelOfSender = {
         .notifyDisconnected(reason);
     mockControlChannelOfReceiver.disconnect();
   },
-  terminate: function(presentationId) {
-    sendAsyncMessage('sender-terminate');
+  terminate(presentationId) {
+    sendAsyncMessage("sender-terminate");
   },
-  reconnect: function(presentationId, url) {
-    sendAsyncMessage('start-reconnect', url);
+  reconnect(presentationId, url) {
+    sendAsyncMessage("start-reconnect", url);
   },
-  sendIceCandidate: function(candidate) {
+  sendIceCandidate(candidate) {
     mockControlChannelOfReceiver.notifyIceCandidate(candidate);
   },
-  notifyIceCandidate: function(candidate) {
+  notifyIceCandidate(candidate) {
     if (!this._listener) {
       return;
     }
@@ -97,9 +97,9 @@ const mockControlChannelOfReceiver = {
   set listener(listener) {
     // PresentationPresentingInfo::SetControlChannel
     if (listener) {
-      debug('set listener for mockControlChannelOfReceiver without null');
+      debug("set listener for mockControlChannelOfReceiver without null");
     } else {
-      debug('set listener for mockControlChannelOfReceiver with null');
+      debug("set listener for mockControlChannelOfReceiver with null");
     }
     this._listener = listener;
 
@@ -111,7 +111,7 @@ const mockControlChannelOfReceiver = {
   get listener() {
     return this._listener;
   },
-  notifyConnected: function() {
+  notifyConnected() {
     // do nothing
     if (!this._listener) {
       this._pendingOpened = true;
@@ -121,17 +121,17 @@ const mockControlChannelOfReceiver = {
         .QueryInterface(Ci.nsIPresentationControlChannelListener)
         .notifyConnected();
   },
-  onOffer: function(offer) {
+  onOffer(offer) {
     this._listener
         .QueryInterface(Ci.nsIPresentationControlChannelListener)
         .onOffer(offer);
   },
-  sendAnswer: function(answer) {
+  sendAnswer(answer) {
     Services.tm.dispatchToMainThread(() => {
       mockControlChannelOfSender.onAnswer(answer);
     });
   },
-  disconnect: function(reason) {
+  disconnect(reason) {
     if (!this._listener) {
       return;
     }
@@ -139,14 +139,14 @@ const mockControlChannelOfReceiver = {
     this._listener
         .QueryInterface(Ci.nsIPresentationControlChannelListener)
         .notifyDisconnected(reason);
-    sendAsyncMessage('control-channel-receiver-closed', reason);
+    sendAsyncMessage("control-channel-receiver-closed", reason);
   },
-  terminate: function(presentaionId) {
+  terminate(presentaionId) {
   },
-  sendIceCandidate: function(candidate) {
+  sendIceCandidate(candidate) {
     mockControlChannelOfReceiver.notifyIceCandidate(candidate);
   },
-  notifyIceCandidate: function(candidate) {
+  notifyIceCandidate(candidate) {
     if (!this._listener) {
       return;
     }
@@ -159,20 +159,20 @@ const mockControlChannelOfReceiver = {
 
 const mockDevice = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDevice]),
-  id:   'id',
-  name: 'name',
-  type: 'type',
-  establishControlChannel: function(url, presentationId) {
+  id:   "id",
+  name: "name",
+  type: "type",
+  establishControlChannel(url, presentationId) {
     if (triggerControlChannelError) {
       throw Cr.NS_ERROR_FAILURE;
     }
-    sendAsyncMessage('control-channel-established');
+    sendAsyncMessage("control-channel-established");
     return mockControlChannelOfSender;
   },
-  disconnect: function() {
-    sendAsyncMessage('device-disconnected');
+  disconnect() {
+    sendAsyncMessage("device-disconnected");
   },
-  isRequestedUrlSupported: function(requestedUrl) {
+  isRequestedUrlSupported(requestedUrl) {
     return true;
   },
 };
@@ -180,7 +180,7 @@ const mockDevice = {
 const mockDevicePrompt = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDevicePrompt,
                                           Ci.nsIFactory]),
-  createInstance: function(aOuter, aIID) {
+  createInstance(aOuter, aIID) {
     if (aOuter) {
       throw Cr.NS_ERROR_NO_AGGREGATION;
     }
@@ -192,14 +192,14 @@ const mockDevicePrompt = {
   get request() {
     return this._request;
   },
-  promptDeviceSelection: function(request) {
+  promptDeviceSelection(request) {
     this._request = request;
-    sendAsyncMessage('device-prompt');
+    sendAsyncMessage("device-prompt");
   },
-  simulateSelect: function() {
+  simulateSelect() {
     this._request.select(mockDevice);
   },
-  simulateCancel: function() {
+  simulateCancel() {
     this._request.cancel();
   }
 };
@@ -208,18 +208,18 @@ const mockRequestUIGlue = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationRequestUIGlue,
                                           Ci.nsIFactory]),
   set promise(aPromise) {
-    this._promise = aPromise
+    this._promise = aPromise;
   },
   get promise() {
     return this._promise;
   },
-  createInstance: function(aOuter, aIID) {
+  createInstance(aOuter, aIID) {
     if (aOuter) {
       throw Cr.NS_ERROR_NO_AGGREGATION;
     }
     return this.QueryInterface(aIID);
   },
-  sendRequest: function(aUrl, aSessionId) {
+  sendRequest(aUrl, aSessionId) {
     return this.promise;
   },
 };
@@ -244,11 +244,11 @@ function initMockAndListener() {
       registrar.registerFactory(mockClassId, "", contractId, mockFactory);
     }
 
-    return { contractId: contractId,
-             mockClassId: mockClassId,
-             mockFactory: mockFactory,
-             originalClassId: originalClassId,
-             originalFactory: originalFactory };
+    return { contractId,
+             mockClassId,
+             mockFactory,
+             originalClassId,
+             originalFactory };
   }
   // Register mock factories.
   const uuidGenerator = Cc["@mozilla.org/uuid-generator;1"]
@@ -260,22 +260,22 @@ function initMockAndListener() {
                                                uuidGenerator.generateUUID(),
                                                mockRequestUIGlue));
 
-  addMessageListener('trigger-device-add', function() {
-    debug('Got message: trigger-device-add');
-    var deviceManager = Cc['@mozilla.org/presentation-device/manager;1']
+  addMessageListener("trigger-device-add", function() {
+    debug("Got message: trigger-device-add");
+    var deviceManager = Cc["@mozilla.org/presentation-device/manager;1"]
                         .getService(Ci.nsIPresentationDeviceManager);
     deviceManager.QueryInterface(Ci.nsIPresentationDeviceListener)
                  .addDevice(mockDevice);
   });
 
-  addMessageListener('trigger-device-prompt-select', function() {
-    debug('Got message: trigger-device-prompt-select');
+  addMessageListener("trigger-device-prompt-select", function() {
+    debug("Got message: trigger-device-prompt-select");
     mockDevicePrompt.simulateSelect();
   });
 
-  addMessageListener('trigger-on-session-request', function(url) {
-    debug('Got message: trigger-on-session-request');
-    var deviceManager = Cc['@mozilla.org/presentation-device/manager;1']
+  addMessageListener("trigger-on-session-request", function(url) {
+    debug("Got message: trigger-on-session-request");
+    var deviceManager = Cc["@mozilla.org/presentation-device/manager;1"]
                           .getService(Ci.nsIPresentationDeviceManager);
     deviceManager.QueryInterface(Ci.nsIPresentationDeviceListener)
                  .onSessionRequest(mockDevice,
@@ -284,9 +284,9 @@ function initMockAndListener() {
                                    mockControlChannelOfReceiver);
   });
 
-  addMessageListener('trigger-on-terminate-request', function() {
-    debug('Got message: trigger-on-terminate-request');
-    var deviceManager = Cc['@mozilla.org/presentation-device/manager;1']
+  addMessageListener("trigger-on-terminate-request", function() {
+    debug("Got message: trigger-on-terminate-request");
+    var deviceManager = Cc["@mozilla.org/presentation-device/manager;1"]
                           .getService(Ci.nsIPresentationDeviceManager);
     deviceManager.QueryInterface(Ci.nsIPresentationDeviceListener)
                  .onTerminateRequest(mockDevice,
@@ -295,21 +295,21 @@ function initMockAndListener() {
                                      false);
   });
 
-  addMessageListener('trigger-control-channel-open', function(reason) {
-    debug('Got message: trigger-control-channel-open');
+  addMessageListener("trigger-control-channel-open", function(reason) {
+    debug("Got message: trigger-control-channel-open");
     mockControlChannelOfSender.notifyConnected();
     mockControlChannelOfReceiver.notifyConnected();
   });
 
-  addMessageListener('trigger-control-channel-error', function(reason) {
-    debug('Got message: trigger-control-channel-open');
+  addMessageListener("trigger-control-channel-error", function(reason) {
+    debug("Got message: trigger-control-channel-open");
     triggerControlChannelError = true;
   });
 
-  addMessageListener('trigger-reconnected-acked', function(url) {
-    debug('Got message: trigger-reconnected-acked');
+  addMessageListener("trigger-reconnected-acked", function(url) {
+    debug("Got message: trigger-reconnected-acked");
     mockControlChannelOfSender.notifyReconnected();
-    var deviceManager = Cc['@mozilla.org/presentation-device/manager;1']
+    var deviceManager = Cc["@mozilla.org/presentation-device/manager;1"]
                           .getService(Ci.nsIPresentationDeviceManager);
     deviceManager.QueryInterface(Ci.nsIPresentationDeviceListener)
                  .onReconnectRequest(mockDevice,
@@ -319,20 +319,20 @@ function initMockAndListener() {
   });
 
   // Used to call sendAsyncMessage in chrome script from receiver.
-  addMessageListener('forward-command', function(command_data) {
+  addMessageListener("forward-command", function(command_data) {
     let command = JSON.parse(command_data);
     sendAsyncMessage(command.name, command.data);
   });
 
-  addMessageListener('teardown', teardown);
+  addMessageListener("teardown", teardown);
 
   var obs = Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);
   obs.addObserver(function setupRequestPromiseHandler(aSubject, aTopic, aData) {
-    debug('Got observer: setup-request-promise');
+    debug("Got observer: setup-request-promise");
     obs.removeObserver(setupRequestPromiseHandler, aTopic);
     mockRequestUIGlue.promise = aSubject;
-    sendAsyncMessage('promise-setup-ready');
-  }, 'setup-request-promise');
+    sendAsyncMessage("promise-setup-ready");
+  }, "setup-request-promise");
 }
 
 function teardown() {
@@ -350,7 +350,7 @@ function teardown() {
   mockControlChannelOfReceiver.listener   = null;
   mockDevicePrompt.request                = null;
 
-  var deviceManager = Cc['@mozilla.org/presentation-device/manager;1']
+  var deviceManager = Cc["@mozilla.org/presentation-device/manager;1"]
                       .getService(Ci.nsIPresentationDeviceManager);
   deviceManager.QueryInterface(Ci.nsIPresentationDeviceListener)
                .removeDevice(mockDevice);
@@ -360,7 +360,7 @@ function teardown() {
                             data.mockFactory, data.originalClassId,
                             data.originalFactory);
   }
-  sendAsyncMessage('teardown-complete');
+  sendAsyncMessage("teardown-complete");
 }
 
 initMockAndListener();
diff --git a/dom/presentation/tests/mochitest/PresentationSessionFrameScript.js b/dom/presentation/tests/mochitest/PresentationSessionFrameScript.js
index ef9edf417002..31f9c441528f 100644
--- a/dom/presentation/tests/mochitest/PresentationSessionFrameScript.js
+++ b/dom/presentation/tests/mochitest/PresentationSessionFrameScript.js
@@ -12,10 +12,10 @@ function loadPrivilegedScriptTest() {
    */
   function sendMessage(type, data) {
     if (typeof port == "undefined") {
-      sendAsyncMessage(type, {'data': data});
+      sendAsyncMessage(type, {"data": data});
     } else {
-      port.postMessage({'type': type,
-                        'data': data
+      port.postMessage({"type": type,
+                        "data": data
                        });
     }
   }
@@ -26,7 +26,7 @@ function loadPrivilegedScriptTest() {
      * are exposed to this script.
      */
     port.onmessage = (e) => {
-      var type = e.data['type'];
+      var type = e.data.type;
       if (!handlers.hasOwnProperty(type)) {
         return;
       }
@@ -55,7 +55,7 @@ function loadPrivilegedScriptTest() {
   const Cm = Components.manager;
 
   const mockedChannelDescription = {
-    QueryInterface : function (iid) {
+    QueryInterface(iid) {
       const interfaces = [Ci.nsIPresentationChannelDescription];
 
       if (!interfaces.some(v => iid.equals(v))) {
@@ -83,7 +83,7 @@ function loadPrivilegedScriptTest() {
   }
 
   const mockedSessionTransport = {
-    QueryInterface : function (iid) {
+    QueryInterface(iid) {
         const interfaces = [Ci.nsIPresentationSessionTransport,
                             Ci.nsIPresentationDataChannelSessionTransportBuilder,
                             Ci.nsIFactory];
@@ -93,7 +93,7 @@ function loadPrivilegedScriptTest() {
         }
         return this;
     },
-    createInstance: function(aOuter, aIID) {
+    createInstance(aOuter, aIID) {
       if (aOuter) {
         throw Cr.NS_ERROR_NO_AGGREGATION;
       }
@@ -106,45 +106,45 @@ function loadPrivilegedScriptTest() {
       return this._callback;
     },
     /* OOP case */
-    buildDataChannelTransport: function(role, window, listener) {
+    buildDataChannelTransport(role, window, listener) {
       dump("PresentationSessionFrameScript: build data channel transport\n");
       this._listener = listener;
       this._role = role;
 
       var hasNavigator = window ? (typeof window.navigator != "undefined") : false;
-      sendMessage('check-navigator', hasNavigator);
+      sendMessage("check-navigator", hasNavigator);
 
       if (this._role == Ci.nsIPresentationService.ROLE_CONTROLLER) {
         this._listener.sendOffer(mockedChannelDescription);
       }
     },
 
-    enableDataNotification: function() {
-      sendMessage('data-transport-notification-enabled');
+    enableDataNotification() {
+      sendMessage("data-transport-notification-enabled");
     },
-    send: function(data) {
-      sendMessage('message-sent', data);
+    send(data) {
+      sendMessage("message-sent", data);
     },
-    close: function(reason) {
-      sendMessage('data-transport-closed', reason);
+    close(reason) {
+      sendMessage("data-transport-closed", reason);
       this._callback.QueryInterface(Ci.nsIPresentationSessionTransportCallback).notifyTransportClosed(reason);
       this._callback = null;
     },
-    simulateTransportReady: function() {
+    simulateTransportReady() {
       this._callback.QueryInterface(Ci.nsIPresentationSessionTransportCallback).notifyTransportReady();
     },
-    simulateIncomingMessage: function(message) {
+    simulateIncomingMessage(message) {
       this._callback.QueryInterface(Ci.nsIPresentationSessionTransportCallback).notifyData(message, false);
     },
-    onOffer: function(aOffer) {
+    onOffer(aOffer) {
       this._listener.sendAnswer(mockedChannelDescription);
       this._onSessionTransport();
     },
-    onAnswer: function(aAnswer) {
+    onAnswer(aAnswer) {
       this._onSessionTransport();
     },
-    _onSessionTransport: function() {
-      setTimeout(()=>{
+    _onSessionTransport() {
+      setTimeout(() => {
         this._listener.onSessionTransport(this);
         this.simulateTransportReady();
         this._listener = null;
@@ -184,11 +184,11 @@ function loadPrivilegedScriptTest() {
       registrar.registerFactory(mockedClassId, "", contractId, mockedFactory);
     }
 
-    return { contractId: contractId,
-             mockedClassId: mockedClassId,
-             mockedFactory: mockedFactory,
-             originalClassId: originalClassId,
-             originalFactory: originalFactory };
+    return { contractId,
+             mockedClassId,
+             mockedFactory,
+             originalClassId,
+             originalFactory };
   }
 
   function registerOriginalFactory(contractId, mockedClassId, mockedFactory, originalClassId, originalFactory) {
@@ -207,23 +207,23 @@ function loadPrivilegedScriptTest() {
                                                  uuidGenerator.generateUUID(),
                                                  mockedSessionTransport));
 
-  addMessageListener('trigger-incoming-message', function(event) {
+  addMessageListener("trigger-incoming-message", function(event) {
     mockedSessionTransport.simulateIncomingMessage(event.data.data);
   });
-  addMessageListener('teardown', ()=>tearDown());
+  addMessageListener("teardown", () => tearDown());
 }
 
 // Exposed to the caller of |loadPrivilegedScript|
 var contentScript = {
   handlers: {},
-  addMessageListener: function(message, handler) {
+  addMessageListener(message, handler) {
     if (this.handlers.hasOwnProperty(message)) {
       this.handlers[message].push(handler);
     } else {
       this.handlers[message] = [handler];
     }
   },
-  removeMessageListener: function(message, handler) {
+  removeMessageListener(message, handler) {
     if (!handler || !this.handlers.hasOwnProperty(message)) {
       return;
     }
@@ -232,12 +232,12 @@ var contentScript = {
       this.handlers[message].splice(index, 1);
     }
   },
-  sendAsyncMessage: function(message, data) {
-    port.postMessage({'type': message,
-                      'data': data
+  sendAsyncMessage(message, data) {
+    port.postMessage({"type": message,
+                      "data": data
                      });
   }
-}
+};
 
 if (!SpecialPowers.isMainProcess()) {
   var port;
@@ -248,11 +248,11 @@ if (!SpecialPowers.isMainProcess()) {
   }
 
   port.onmessage = (e) => {
-    var type = e.data['type'];
+    var type = e.data.type;
     if (!contentScript.handlers.hasOwnProperty(type)) {
     return;
     }
-    var args = [e.data['data']];
+    var args = [e.data.data];
     contentScript.handlers[type].forEach(handler => handler.apply(null, args));
   };
 }
diff --git a/dom/presentation/tests/mochitest/file_presentation_1ua_receiver.html b/dom/presentation/tests/mochitest/file_presentation_1ua_receiver.html
index 1162507be91e..3d98d12a2b0e 100644
--- a/dom/presentation/tests/mochitest/file_presentation_1ua_receiver.html
+++ b/dom/presentation/tests/mochitest/file_presentation_1ua_receiver.html
@@ -13,26 +13,26 @@
 
 function is(a, b, msg) {
   if (a === b) {
-    alert('OK ' + msg);
+    alert("OK " + msg);
   } else {
-    alert('KO ' + msg + ' | reason: ' + a + ' != ' + b);
+    alert("KO " + msg + " | reason: " + a + " != " + b);
   }
 }
 
 function ok(a, msg) {
-  alert((a ? 'OK ' : 'KO ') + msg);
+  alert((a ? "OK " : "KO ") + msg);
 }
 
 function info(msg) {
-  alert('INFO ' + msg);
+  alert("INFO " + msg);
 }
 
 function command(name, data) {
-  alert('COMMAND ' + JSON.stringify({name: name, data: data}));
+  alert("COMMAND " + JSON.stringify({name, data}));
 }
 
 function finish() {
-  alert('DONE');
+  alert("DONE");
 }
 
 var connection;
@@ -51,7 +51,7 @@ function is_same_buffer(recv_data, expect_data) {
 
   for (let i = 0; i < recv_dataview.length; i++) {
     if (recv_dataview[i] != expected_dataview[i]) {
-      info('discover byte differenct at ' + i);
+      info("discover byte differenct at " + i);
       return false;
     }
   }
@@ -60,7 +60,7 @@ function is_same_buffer(recv_data, expect_data) {
 
 function testConnectionAvailable() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testConnectionAvailable ---');
+    info("Receiver: --- testConnectionAvailable ---");
     ok(navigator.presentation, "Receiver: navigator.presentation should be available.");
     ok(navigator.presentation.receiver, "Receiver: navigator.presentation.receiver should be available.");
     is(navigator.presentation.defaultRequest, null, "Receiver: navigator.presentation.defaultRequest should be null.");
@@ -83,10 +83,10 @@ function testConnectionAvailable() {
 
 function testConnectionReady() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testConnectionReady ---');
+    info("Receiver: --- testConnectionReady ---");
     connection.onconnect = function() {
       connection.onconnect = null;
-      ok(false, "Should not get |onconnect| event.")
+      ok(false, "Should not get |onconnect| event.");
       aReject();
     };
     if (connection.state === "connected") {
@@ -99,27 +99,27 @@ function testConnectionReady() {
 
 function testIncomingMessage() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testIncomingMessage ---');
-    connection.addEventListener('message', function(evt) {
+    info("Receiver: --- testIncomingMessage ---");
+    connection.addEventListener("message", function(evt) {
       let msg = evt.data;
-      is(msg, 'msg-sender-to-receiver', 'Receiver: Receiver should receive message from sender.');
-      command('forward-command', JSON.stringify({ name: 'message-from-sender-received' }));
+      is(msg, "msg-sender-to-receiver", "Receiver: Receiver should receive message from sender.");
+      command("forward-command", JSON.stringify({ name: "message-from-sender-received" }));
       aResolve();
     }, {once: true});
-    command('forward-command', JSON.stringify({ name: 'trigger-message-from-sender' }));
+    command("forward-command", JSON.stringify({ name: "trigger-message-from-sender" }));
   });
 }
 
 function testSendMessage() {
   return new Promise(function(aResolve, aReject) {
-    window.addEventListener('hashchange', function hashchangeHandler(evt) {
+    window.addEventListener("hashchange", function hashchangeHandler(evt) {
       var message = JSON.parse(decodeURIComponent(window.location.hash.substring(1)));
-      if (message.type === 'trigger-message-from-receiver') {
-        info('Receiver: --- testSendMessage ---');
-        connection.send('msg-receiver-to-sender');
+      if (message.type === "trigger-message-from-receiver") {
+        info("Receiver: --- testSendMessage ---");
+        connection.send("msg-receiver-to-sender");
       }
-      if (message.type === 'message-from-receiver-received') {
-        window.removeEventListener('hashchange', hashchangeHandler);
+      if (message.type === "message-from-receiver-received") {
+        window.removeEventListener("hashchange", hashchangeHandler);
         aResolve();
       }
     });
@@ -128,11 +128,11 @@ function testSendMessage() {
 
 function testIncomingBlobMessage() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testIncomingBlobMessage ---');
-    connection.send('testIncomingBlobMessage');
-    connection.addEventListener('message', function(evt) {
-      let recvData= String.fromCharCode.apply(null, new Uint8Array(evt.data));
-      is(recvData, "Hello World", 'expected same string data');
+    info("Receiver: --- testIncomingBlobMessage ---");
+    connection.send("testIncomingBlobMessage");
+    connection.addEventListener("message", function(evt) {
+      let recvData = String.fromCharCode.apply(null, new Uint8Array(evt.data));
+      is(recvData, "Hello World", "expected same string data");
       aResolve();
     }, {once: true});
   });
@@ -140,29 +140,29 @@ function testIncomingBlobMessage() {
 
 function testConnectionClosed() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testConnectionClosed ---');
+    info("Receiver: --- testConnectionClosed ---");
     connection.onclose = function() {
       connection.onclose = null;
       is(connection.state, "closed", "Receiver: Connection should be closed.");
-      command('forward-command', JSON.stringify({ name: 'receiver-closed' }));
+      command("forward-command", JSON.stringify({ name: "receiver-closed" }));
       aResolve();
     };
-    command('forward-command', JSON.stringify({ name: 'ready-to-close' }));
+    command("forward-command", JSON.stringify({ name: "ready-to-close" }));
   });
 }
 
 function testReconnectConnection() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testReconnectConnection ---');
-    window.addEventListener('hashchange', function hashchangeHandler(evt) {
+    info("Receiver: --- testReconnectConnection ---");
+    window.addEventListener("hashchange", function hashchangeHandler(evt) {
       var message = JSON.parse(decodeURIComponent(window.location.hash.substring(1)));
-      if (message.type === 'prepare-for-reconnect') {
-        command('forward-command', JSON.stringify({ name: 'ready-to-reconnect' }));
+      if (message.type === "prepare-for-reconnect") {
+        command("forward-command", JSON.stringify({ name: "ready-to-reconnect" }));
       }
     });
     connection.onconnect = function() {
       connection.onconnect = null;
-      ok(true, "The connection is reconnected.")
+      ok(true, "The connection is reconnected.");
       aResolve();
     };
   });
@@ -170,10 +170,10 @@ function testReconnectConnection() {
 
 function testIncomingArrayBuffer() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testIncomingArrayBuffer ---');
+    info("Receiver: --- testIncomingArrayBuffer ---");
     connection.binaryType = "blob";
-    connection.send('testIncomingArrayBuffer');
-    connection.addEventListener('message', function(evt) {
+    connection.send("testIncomingArrayBuffer");
+    connection.addEventListener("message", function(evt) {
       var fileReader = new FileReader();
       fileReader.onload = function() {
         ok(is_same_buffer(DATA_ARRAY_BUFFER, this.result), "expected same buffer data");
@@ -186,10 +186,10 @@ function testIncomingArrayBuffer() {
 
 function testIncomingArrayBufferView() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testIncomingArrayBufferView ---');
+    info("Receiver: --- testIncomingArrayBufferView ---");
     connection.binaryType = "arraybuffer";
-    connection.send('testIncomingArrayBufferView');
-    connection.addEventListener('message', function(evt) {
+    connection.send("testIncomingArrayBufferView");
+    connection.addEventListener("message", function(evt) {
       ok(is_same_buffer(evt.data, TYPED_DATA_ARRAY), "expected same buffer data");
       aResolve();
     }, {once: true});
diff --git a/dom/presentation/tests/mochitest/file_presentation_1ua_wentaway.html b/dom/presentation/tests/mochitest/file_presentation_1ua_wentaway.html
index 25a5f18fa166..5198e76be8f5 100644
--- a/dom/presentation/tests/mochitest/file_presentation_1ua_wentaway.html
+++ b/dom/presentation/tests/mochitest/file_presentation_1ua_wentaway.html
@@ -13,33 +13,33 @@
 
 function is(a, b, msg) {
   if (a === b) {
-    alert('OK ' + msg);
+    alert("OK " + msg);
   } else {
-    alert('KO ' + msg + ' | reason: ' + a + ' != ' + b);
+    alert("KO " + msg + " | reason: " + a + " != " + b);
   }
 }
 
 function ok(a, msg) {
-  alert((a ? 'OK ' : 'KO ') + msg);
+  alert((a ? "OK " : "KO ") + msg);
 }
 
 function info(msg) {
-  alert('INFO ' + msg);
+  alert("INFO " + msg);
 }
 
 function command(name, data) {
-  alert('COMMAND ' + JSON.stringify({name: name, data: data}));
+  alert("COMMAND " + JSON.stringify({name, data}));
 }
 
 function finish() {
-  alert('DONE');
+  alert("DONE");
 }
 
 var connection;
 
 function testConnectionAvailable() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testConnectionAvailable ---');
+    info("Receiver: --- testConnectionAvailable ---");
     ok(navigator.presentation, "Receiver: navigator.presentation should be available.");
     ok(navigator.presentation.receiver, "Receiver: navigator.presentation.receiver should be available.");
 
@@ -61,10 +61,10 @@ function testConnectionAvailable() {
 
 function testConnectionReady() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testConnectionReady ---');
+    info("Receiver: --- testConnectionReady ---");
     connection.onconnect = function() {
       connection.onconnect = null;
-      ok(false, "Should not get |onconnect| event.")
+      ok(false, "Should not get |onconnect| event.");
       aReject();
     };
     if (connection.state === "connected") {
@@ -77,8 +77,8 @@ function testConnectionReady() {
 
 function testConnectionWentaway() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testConnectionWentaway ---\n');
-    command('forward-command', JSON.stringify({ name: 'ready-to-remove-receiverFrame' }));
+    info("Receiver: --- testConnectionWentaway ---\n");
+    command("forward-command", JSON.stringify({ name: "ready-to-remove-receiverFrame" }));
   });
 }
 
diff --git a/dom/presentation/tests/mochitest/file_presentation_fingerprinting_resistance_receiver.html b/dom/presentation/tests/mochitest/file_presentation_fingerprinting_resistance_receiver.html
index ca9e81c1a3cd..5fd19673310b 100644
--- a/dom/presentation/tests/mochitest/file_presentation_fingerprinting_resistance_receiver.html
+++ b/dom/presentation/tests/mochitest/file_presentation_fingerprinting_resistance_receiver.html
@@ -6,5 +6,5 @@ function testReceiver() {
 }
 
 testReceiver();
-window.addEventListener('hashchange', testReceiver);
+window.addEventListener("hashchange", testReceiver);
 </script>
diff --git a/dom/presentation/tests/mochitest/file_presentation_non_receiver.html b/dom/presentation/tests/mochitest/file_presentation_non_receiver.html
index 62dd89c8d059..75ffe6b4ad22 100644
--- a/dom/presentation/tests/mochitest/file_presentation_non_receiver.html
+++ b/dom/presentation/tests/mochitest/file_presentation_non_receiver.html
@@ -11,19 +11,19 @@
 "use strict";
 
 function is(a, b, msg) {
-  alert((a === b ? 'OK ' : 'KO ') + msg);
+  alert((a === b ? "OK " : "KO ") + msg);
 }
 
 function ok(a, msg) {
-  alert((a ? 'OK ' : 'KO ') + msg);
+  alert((a ? "OK " : "KO ") + msg);
 }
 
 function info(msg) {
-  alert('INFO ' + msg);
+  alert("INFO " + msg);
 }
 
 function finish() {
-  alert('DONE');
+  alert("DONE");
 }
 
 function testConnectionAvailable() {
diff --git a/dom/presentation/tests/mochitest/file_presentation_non_receiver_inner_iframe.html b/dom/presentation/tests/mochitest/file_presentation_non_receiver_inner_iframe.html
index 8b6822ca6ff2..38652839b3c5 100644
--- a/dom/presentation/tests/mochitest/file_presentation_non_receiver_inner_iframe.html
+++ b/dom/presentation/tests/mochitest/file_presentation_non_receiver_inner_iframe.html
@@ -11,7 +11,7 @@
 "use strict";
 
 function ok(a, msg) {
-  alert((a ? 'OK ' : 'KO ') + msg);
+  alert((a ? "OK " : "KO ") + msg);
 }
 
 function testConnectionAvailable() {
diff --git a/dom/presentation/tests/mochitest/file_presentation_receiver.html b/dom/presentation/tests/mochitest/file_presentation_receiver.html
index 1ce7c48871e6..8099ed0c89fa 100644
--- a/dom/presentation/tests/mochitest/file_presentation_receiver.html
+++ b/dom/presentation/tests/mochitest/file_presentation_receiver.html
@@ -11,23 +11,23 @@
 "use strict";
 
 function is(a, b, msg) {
-  alert((a === b ? 'OK ' : 'KO ') + msg);
+  alert((a === b ? "OK " : "KO ") + msg);
 }
 
 function ok(a, msg) {
-  alert((a ? 'OK ' : 'KO ') + msg);
+  alert((a ? "OK " : "KO ") + msg);
 }
 
 function info(msg) {
-  alert('INFO ' + msg);
+  alert("INFO " + msg);
 }
 
 function command(msg) {
-  alert('COMMAND ' + JSON.stringify(msg));
+  alert("COMMAND " + JSON.stringify(msg));
 }
 
 function finish() {
-  alert('DONE');
+  alert("DONE");
 }
 
 var connection;
@@ -51,7 +51,7 @@ function testConnectionAvailable() {
         aReject();
       }
     );
-    command({ name: 'trigger-incoming-offer' });
+    command({ name: "trigger-incoming-offer" });
   });
 }
 
@@ -64,8 +64,8 @@ function testDefaultRequestIsUndefined() {
 
 function testConnectionAvailableSameOriginInnerIframe() {
   return new Promise(function(aResolve, aReject) {
-    var iframe = document.createElement('iframe');
-    iframe.setAttribute('src', './file_presentation_receiver_inner_iframe.html');
+    var iframe = document.createElement("iframe");
+    iframe.setAttribute("src", "./file_presentation_receiver_inner_iframe.html");
     document.body.appendChild(iframe);
 
     aResolve();
@@ -74,8 +74,8 @@ function testConnectionAvailableSameOriginInnerIframe() {
 
 function testConnectionUnavailableDiffOriginInnerIframe() {
   return new Promise(function(aResolve, aReject) {
-    var iframe = document.createElement('iframe');
-    iframe.setAttribute('src', 'http://example.com/tests/dom/presentation/tests/mochitest/file_presentation_non_receiver_inner_iframe.html');
+    var iframe = document.createElement("iframe");
+    iframe.setAttribute("src", "http://example.com/tests/dom/presentation/tests/mochitest/file_presentation_non_receiver_inner_iframe.html");
     document.body.appendChild(iframe);
 
     aResolve();
@@ -103,12 +103,12 @@ function testIncomingMessage() {
   return new Promise(function(aResolve, aReject) {
     const incomingMessage = "test incoming message";
 
-    connection.addEventListener('message', function(aEvent) {
+    connection.addEventListener("message", function(aEvent) {
       is(aEvent.data, incomingMessage, "An incoming message should be received.");
       aResolve();
     }, {once: true});
 
-    command({ name: 'trigger-incoming-message',
+    command({ name: "trigger-incoming-message",
               data: incomingMessage });
   });
 }
diff --git a/dom/presentation/tests/mochitest/file_presentation_receiver_auxiliary_navigation.html b/dom/presentation/tests/mochitest/file_presentation_receiver_auxiliary_navigation.html
index 3fb7ba552977..6bd3da1f47bf 100644
--- a/dom/presentation/tests/mochitest/file_presentation_receiver_auxiliary_navigation.html
+++ b/dom/presentation/tests/mochitest/file_presentation_receiver_auxiliary_navigation.html
@@ -11,23 +11,23 @@
 "use strict";
 
 function is(a, b, msg) {
-  alert((a === b ? 'OK ' : 'KO ') + msg);
+  alert((a === b ? "OK " : "KO ") + msg);
 }
 
 function ok(a, msg) {
-  alert((a ? 'OK ' : 'KO ') + msg);
+  alert((a ? "OK " : "KO ") + msg);
 }
 
 function info(msg) {
-  alert('INFO ' + msg);
+  alert("INFO " + msg);
 }
 
 function command(msg) {
-  alert('COMMAND ' + JSON.stringify(msg));
+  alert("COMMAND " + JSON.stringify(msg));
 }
 
 function finish() {
-  alert('DONE');
+  alert("DONE");
 }
 
 function testConnectionAvailable() {
@@ -44,7 +44,7 @@ function testOpenWindow() {
     try {
       window.open("http://example.com");
       ok(false, "receiver page should not be able to open a new window.");
-    } catch(e) {
+    } catch (e) {
       ok(true, "receiver page should not be able to open a new window.");
       aResolve();
     }
diff --git a/dom/presentation/tests/mochitest/file_presentation_receiver_establish_connection_error.html b/dom/presentation/tests/mochitest/file_presentation_receiver_establish_connection_error.html
index 14caca9971a7..f6dd10797e76 100644
--- a/dom/presentation/tests/mochitest/file_presentation_receiver_establish_connection_error.html
+++ b/dom/presentation/tests/mochitest/file_presentation_receiver_establish_connection_error.html
@@ -12,26 +12,26 @@
 
 function is(a, b, msg) {
   if (a === b) {
-    alert('OK ' + msg);
+    alert("OK " + msg);
   } else {
-    alert('KO ' + msg + ' | reason: ' + a + ' != ' + b);
+    alert("KO " + msg + " | reason: " + a + " != " + b);
   }
 }
 
 function ok(a, msg) {
-  alert((a ? 'OK ' : 'KO ') + msg);
+  alert((a ? "OK " : "KO ") + msg);
 }
 
 function info(msg) {
-  alert('INFO ' + msg);
+  alert("INFO " + msg);
 }
 
 function command(name, data) {
-  alert('COMMAND ' + JSON.stringify({name: name, data: data}));
+  alert("COMMAND " + JSON.stringify({name, data}));
 }
 
 function finish() {
-  alert('DONE');
+  alert("DONE");
 }
 
 function testConnectionAvailable() {
@@ -44,13 +44,13 @@ function testConnectionAvailable() {
 
 function testUnexpectedControlChannelClose() {
   // Trigger the control channel to be closed with error code.
-  command({ name: 'trigger-control-channel-close', data: 0x80004004 /* NS_ERROR_ABORT */ });
+  command({ name: "trigger-control-channel-close", data: 0x80004004 /* NS_ERROR_ABORT */ });
 
   return new Promise(function(aResolve, aReject) {
     return Promise.race([
       navigator.presentation.receiver.connectionList.then(
         (aList) => {
-          ok(false, "Should not get a connection list.")
+          ok(false, "Should not get a connection list.");
           aReject();
         },
         (aError) => {
diff --git a/dom/presentation/tests/mochitest/file_presentation_receiver_inner_iframe.html b/dom/presentation/tests/mochitest/file_presentation_receiver_inner_iframe.html
index 6f31acd3e39b..dac1abac143b 100644
--- a/dom/presentation/tests/mochitest/file_presentation_receiver_inner_iframe.html
+++ b/dom/presentation/tests/mochitest/file_presentation_receiver_inner_iframe.html
@@ -11,7 +11,7 @@
 "use strict";
 
 function ok(a, msg) {
-  alert((a ? 'OK ' : 'KO ') + msg);
+  alert((a ? "OK " : "KO ") + msg);
 }
 
 function testConnectionAvailable() {
diff --git a/dom/presentation/tests/mochitest/file_presentation_reconnect.html b/dom/presentation/tests/mochitest/file_presentation_reconnect.html
index 029ccc68eca1..4c2d581ea9ab 100644
--- a/dom/presentation/tests/mochitest/file_presentation_reconnect.html
+++ b/dom/presentation/tests/mochitest/file_presentation_reconnect.html
@@ -81,14 +81,13 @@ function testCloseConnection() {
 window.addEventListener("message", function onMessage(evt) {
   if (evt.data === "startConnection") {
     testStartRequest().then(
-      function () {
+      function() {
         command({ name: "connection-connected", id: connection.id });
       }
     );
-  }
-  else if (evt.data === "closeConnection") {
+  } else if (evt.data === "closeConnection") {
     testCloseConnection().then(
-      function () {
+      function() {
         command({ name: "connection-closed", id: connection.id });
       }
     );
diff --git a/dom/presentation/tests/mochitest/file_presentation_terminate.html b/dom/presentation/tests/mochitest/file_presentation_terminate.html
index 0aa6d19b78e6..db5972f8d181 100644
--- a/dom/presentation/tests/mochitest/file_presentation_terminate.html
+++ b/dom/presentation/tests/mochitest/file_presentation_terminate.html
@@ -9,50 +9,50 @@
     <div id='content'></div>
 <script type='application/javascript'>
 
-'use strict';
+"use strict";
 
 function is(a, b, msg) {
   if (a === b) {
-    alert('OK ' + msg);
+    alert("OK " + msg);
   } else {
-    alert('KO ' + msg + ' | reason: ' + a + ' != ' + b);
+    alert("KO " + msg + " | reason: " + a + " != " + b);
   }
 }
 
 function ok(a, msg) {
-  alert((a ? 'OK ' : 'KO ') + msg);
+  alert((a ? "OK " : "KO ") + msg);
 }
 
 function info(msg) {
-  alert('INFO ' + msg);
+  alert("INFO " + msg);
 }
 
 function command(name, data) {
-  alert('COMMAND ' + JSON.stringify({name: name, data: data}));
+  alert("COMMAND " + JSON.stringify({name, data}));
 }
 
 function finish() {
-  alert('DONE');
+  alert("DONE");
 }
 
 var connection;
 
 function testConnectionAvailable() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testConnectionAvailable ---');
-    ok(navigator.presentation, 'Receiver: navigator.presentation should be available.');
-    ok(navigator.presentation.receiver, 'Receiver: navigator.presentation.receiver should be available.');
+    info("Receiver: --- testConnectionAvailable ---");
+    ok(navigator.presentation, "Receiver: navigator.presentation should be available.");
+    ok(navigator.presentation.receiver, "Receiver: navigator.presentation.receiver should be available.");
 
     navigator.presentation.receiver.connectionList
     .then((aList) => {
-      is(aList.connections.length, 1, 'Should get one conncetion.');
+      is(aList.connections.length, 1, "Should get one conncetion.");
       connection = aList.connections[0];
-      ok(connection.id, 'Connection ID should be set: ' + connection.id);
-      is(connection.state, 'connected', 'Connection state at receiver side should be connected.');
+      ok(connection.id, "Connection ID should be set: " + connection.id);
+      is(connection.state, "connected", "Connection state at receiver side should be connected.");
       aResolve();
     })
     .catch((aError) => {
-      ok(false, 'Receiver: Error occurred when getting the connection: ' + aError);
+      ok(false, "Receiver: Error occurred when getting the connection: " + aError);
       finish();
       aReject();
     });
@@ -61,15 +61,15 @@ function testConnectionAvailable() {
 
 function testConnectionReady() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testConnectionReady ---');
+    info("Receiver: --- testConnectionReady ---");
     connection.onconnect = function() {
       connection.onconnect = null;
-      ok(false, 'Should not get |onconnect| event.')
+      ok(false, "Should not get |onconnect| event.");
       aReject();
     };
-    if (connection.state === 'connected') {
+    if (connection.state === "connected") {
       connection.onconnect = null;
-      is(connection.state, 'connected', 'Receiver: Connection state should become connected.');
+      is(connection.state, "connected", "Receiver: Connection state should become connected.");
       aResolve();
     }
   });
@@ -77,24 +77,24 @@ function testConnectionReady() {
 
 function testConnectionTerminate() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testConnectionTerminate ---');
+    info("Receiver: --- testConnectionTerminate ---");
     connection.onterminate = function() {
       connection.onterminate = null;
       // Using window.alert at this stage will cause window.close() fail.
       // Only trigger it if verdict fail.
-      if (connection.state !== 'terminated') {
-        is(connection.state, 'terminated', 'Receiver: Connection should be terminated.');
+      if (connection.state !== "terminated") {
+        is(connection.state, "terminated", "Receiver: Connection should be terminated.");
       }
       aResolve();
      };
-    command('forward-command', JSON.stringify({ name: 'ready-to-terminate' }));
+    command("forward-command", JSON.stringify({ name: "ready-to-terminate" }));
   });
 }
 
 function runTests() {
   testConnectionAvailable()
   .then(testConnectionReady)
-  .then(testConnectionTerminate)
+  .then(testConnectionTerminate);
 }
 
 runTests();
diff --git a/dom/presentation/tests/mochitest/file_presentation_terminate_establish_connection_error.html b/dom/presentation/tests/mochitest/file_presentation_terminate_establish_connection_error.html
index 3efdb085dc88..3dfb692e88db 100644
--- a/dom/presentation/tests/mochitest/file_presentation_terminate_establish_connection_error.html
+++ b/dom/presentation/tests/mochitest/file_presentation_terminate_establish_connection_error.html
@@ -9,50 +9,50 @@
     <div id='content'></div>
 <script type='application/javascript'>
 
-'use strict';
+"use strict";
 
 function is(a, b, msg) {
   if (a === b) {
-    alert('OK ' + msg);
+    alert("OK " + msg);
   } else {
-    alert('KO ' + msg + ' | reason: ' + a + ' != ' + b);
+    alert("KO " + msg + " | reason: " + a + " != " + b);
   }
 }
 
 function ok(a, msg) {
-  alert((a ? 'OK ' : 'KO ') + msg);
+  alert((a ? "OK " : "KO ") + msg);
 }
 
 function info(msg) {
-  alert('INFO ' + msg);
+  alert("INFO " + msg);
 }
 
 function command(name, data) {
-  alert('COMMAND ' + JSON.stringify({name: name, data: data}));
+  alert("COMMAND " + JSON.stringify({name, data}));
 }
 
 function finish() {
-  alert('DONE');
+  alert("DONE");
 }
 
 var connection;
 
 function testConnectionAvailable() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testConnectionAvailable ---');
-    ok(navigator.presentation, 'Receiver: navigator.presentation should be available.');
-    ok(navigator.presentation.receiver, 'Receiver: navigator.presentation.receiver should be available.');
+    info("Receiver: --- testConnectionAvailable ---");
+    ok(navigator.presentation, "Receiver: navigator.presentation should be available.");
+    ok(navigator.presentation.receiver, "Receiver: navigator.presentation.receiver should be available.");
 
     navigator.presentation.receiver.connectionList
     .then((aList) => {
-      is(aList.connections.length, 1, 'Should get one connection.');
+      is(aList.connections.length, 1, "Should get one connection.");
       connection = aList.connections[0];
-      ok(connection.id, 'Connection ID should be set: ' + connection.id);
-      is(connection.state, 'connected', 'Connection state at receiver side should be connected.');
+      ok(connection.id, "Connection ID should be set: " + connection.id);
+      is(connection.state, "connected", "Connection state at receiver side should be connected.");
       aResolve();
     })
     .catch((aError) => {
-      ok(false, 'Receiver: Error occurred when getting the connection: ' + aError);
+      ok(false, "Receiver: Error occurred when getting the connection: " + aError);
       finish();
       aReject();
     });
@@ -61,15 +61,15 @@ function testConnectionAvailable() {
 
 function testConnectionReady() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testConnectionReady ---');
+    info("Receiver: --- testConnectionReady ---");
     connection.onconnect = function() {
       connection.onconnect = null;
-      ok(false, 'Should not get |onconnect| event.')
+      ok(false, "Should not get |onconnect| event.");
       aReject();
     };
-    if (connection.state === 'connected') {
+    if (connection.state === "connected") {
       connection.onconnect = null;
-      is(connection.state, 'connected', 'Receiver: Connection state should become connected.');
+      is(connection.state, "connected", "Receiver: Connection state should become connected.");
       aResolve();
     }
   });
@@ -77,34 +77,34 @@ function testConnectionReady() {
 
 function testConnectionTerminate() {
   return new Promise(function(aResolve, aReject) {
-    info('Receiver: --- testConnectionTerminate ---');
+    info("Receiver: --- testConnectionTerminate ---");
     connection.onterminate = function() {
       connection.onterminate = null;
       // Using window.alert at this stage will cause window.close() fail.
       // Only trigger it if verdict fail.
-      if (connection.state !== 'terminated') {
-        is(connection.state, 'terminated', 'Receiver: Connection should be terminated.');
+      if (connection.state !== "terminated") {
+        is(connection.state, "terminated", "Receiver: Connection should be terminated.");
       }
       aResolve();
     };
 
-    window.addEventListener('hashchange', function hashchangeHandler(evt) {
+    window.addEventListener("hashchange", function hashchangeHandler(evt) {
       var message = JSON.parse(decodeURIComponent(window.location.hash.substring(1)));
-      if (message.type === 'ready-to-terminate') {
-        info('Receiver: --- ready-to-terminate ---');
+      if (message.type === "ready-to-terminate") {
+        info("Receiver: --- ready-to-terminate ---");
         connection.terminate();
       }
     });
 
 
-    command('forward-command', JSON.stringify({ name: 'prepare-for-terminate' }));
+    command("forward-command", JSON.stringify({ name: "prepare-for-terminate" }));
   });
 }
 
 function runTests() {
   testConnectionAvailable()
   .then(testConnectionReady)
-  .then(testConnectionTerminate)
+  .then(testConnectionTerminate);
 }
 
 runTests();
diff --git a/dom/presentation/tests/mochitest/test_presentation_1ua_connection_wentaway.js b/dom/presentation/tests/mochitest/test_presentation_1ua_connection_wentaway.js
index 849d67412101..460d29e3556d 100644
--- a/dom/presentation/tests/mochitest/test_presentation_1ua_connection_wentaway.js
+++ b/dom/presentation/tests/mochitest/test_presentation_1ua_connection_wentaway.js
@@ -1,42 +1,42 @@
-'use strict';
+"use strict";
 
 SimpleTest.waitForExplicitFinish();
-SimpleTest.requestFlakyTimeout('Test for guarantee not firing async event');
+SimpleTest.requestFlakyTimeout("Test for guarantee not firing async event");
 
 function debug(str) {
   // info(str);
 }
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript1UA.js'));
-var receiverUrl = SimpleTest.getTestFileURL('file_presentation_1ua_wentaway.html');
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript1UA.js"));
+var receiverUrl = SimpleTest.getTestFileURL("file_presentation_1ua_wentaway.html");
 var request;
 var connection;
 var receiverIframe;
 
 function setup() {
-  gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-    debug('Got message: device-prompt');
-    gScript.removeMessageListener('device-prompt', devicePromptHandler);
-    gScript.sendAsyncMessage('trigger-device-prompt-select');
+  gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+    debug("Got message: device-prompt");
+    gScript.removeMessageListener("device-prompt", devicePromptHandler);
+    gScript.sendAsyncMessage("trigger-device-prompt-select");
   });
 
-  gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-    gScript.removeMessageListener('control-channel-established',
+  gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+    gScript.removeMessageListener("control-channel-established",
                                   controlChannelEstablishedHandler);
     gScript.sendAsyncMessage("trigger-control-channel-open");
   });
 
-  gScript.addMessageListener('sender-launch', function senderLaunchHandler(url) {
-    debug('Got message: sender-launch');
-    gScript.removeMessageListener('sender-launch', senderLaunchHandler);
-    is(url, receiverUrl, 'Receiver: should receive the same url');
-    receiverIframe = document.createElement('iframe');
+  gScript.addMessageListener("sender-launch", function senderLaunchHandler(url) {
+    debug("Got message: sender-launch");
+    gScript.removeMessageListener("sender-launch", senderLaunchHandler);
+    is(url, receiverUrl, "Receiver: should receive the same url");
+    receiverIframe = document.createElement("iframe");
     receiverIframe.setAttribute("mozbrowser", "true");
     receiverIframe.setAttribute("mozpresentation", receiverUrl);
-    var oop = !location.pathname.includes('_inproc');
+    var oop = !location.pathname.includes("_inproc");
     receiverIframe.setAttribute("remote", oop);
 
-    receiverIframe.setAttribute('src', receiverUrl);
+    receiverIframe.setAttribute("src", receiverUrl);
     receiverIframe.addEventListener("mozbrowserloadend", function() {
       info("Receiver loaded.");
     }, {once: true});
@@ -67,14 +67,14 @@ function setup() {
 
     var obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
                            .getService(SpecialPowers.Ci.nsIObserverService);
-    obs.notifyObservers(promise, 'setup-request-promise');
+    obs.notifyObservers(promise, "setup-request-promise");
   });
 
-  gScript.addMessageListener('promise-setup-ready', function promiseSetupReadyHandler() {
-    debug('Got message: promise-setup-ready');
-    gScript.removeMessageListener('promise-setup-ready',
+  gScript.addMessageListener("promise-setup-ready", function promiseSetupReadyHandler() {
+    debug("Got message: promise-setup-ready");
+    gScript.removeMessageListener("promise-setup-ready",
                                   promiseSetupReadyHandler);
-    gScript.sendAsyncMessage('trigger-on-session-request', receiverUrl);
+    gScript.sendAsyncMessage("trigger-on-session-request", receiverUrl);
   });
 
   return Promise.resolve();
@@ -82,7 +82,7 @@ function setup() {
 
 function testCreateRequest() {
   return new Promise(function(aResolve, aReject) {
-    info('Sender: --- testCreateRequest ---');
+    info("Sender: --- testCreateRequest ---");
     request = new PresentationRequest(receiverUrl);
     request.getAvailability().then((aAvailability) => {
       is(aAvailability.value, false, "Sender: should have no available device after setup");
@@ -90,9 +90,9 @@ function testCreateRequest() {
         aAvailability.onchange = null;
         ok(aAvailability.value, "Sender: Device should be available.");
         aResolve();
-      }
+      };
 
-      gScript.sendAsyncMessage('trigger-device-add');
+      gScript.sendAsyncMessage("trigger-device-add");
     }).catch((aError) => {
       ok(false, "Sender: Error occurred when getting availability: " + aError);
       teardown();
@@ -123,32 +123,32 @@ function testStartConnection() {
 
 function testConnectionWentaway() {
   return new Promise(function(aResolve, aReject) {
-    info('Sender: --- testConnectionWentaway ---');
+    info("Sender: --- testConnectionWentaway ---");
     connection.onclose = function() {
       connection.onclose = null;
       is(connection.state, "closed", "Sender: Connection should be closed.");
-      receiverIframe.addEventListener('mozbrowserclose', function closeHandler() {
-        ok(false, 'wentaway should not trigger receiver close');
+      receiverIframe.addEventListener("mozbrowserclose", function closeHandler() {
+        ok(false, "wentaway should not trigger receiver close");
         aResolve();
       });
       setTimeout(aResolve, 3000);
     };
-    gScript.addMessageListener('ready-to-remove-receiverFrame', function onReadyToRemove() {
-      gScript.removeMessageListener('ready-to-remove-receiverFrame', onReadyToRemove);
+    gScript.addMessageListener("ready-to-remove-receiverFrame", function onReadyToRemove() {
+      gScript.removeMessageListener("ready-to-remove-receiverFrame", onReadyToRemove);
       receiverIframe.src = "http://example.com";
     });
   });
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    debug('Got message: teardown-complete');
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    debug("Got message: teardown-complete");
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -159,10 +159,10 @@ function runTests() {
 }
 
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
   {type: "browser", allow: true, context: document},
 ], () => {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", true],
                                       ["dom.presentation.receiver.enabled", true],
                                       ["dom.presentation.test.enabled", true],
diff --git a/dom/presentation/tests/mochitest/test_presentation_1ua_sender_and_receiver.js b/dom/presentation/tests/mochitest/test_presentation_1ua_sender_and_receiver.js
index 81f070c1016b..d94b09a55abe 100644
--- a/dom/presentation/tests/mochitest/test_presentation_1ua_sender_and_receiver.js
+++ b/dom/presentation/tests/mochitest/test_presentation_1ua_sender_and_receiver.js
@@ -3,14 +3,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-'use strict';
+"use strict";
 
 function debug(str) {
   // info(str);
 }
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript1UA.js'));
-var receiverUrl = SimpleTest.getTestFileURL('file_presentation_1ua_receiver.html');
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript1UA.js"));
+var receiverUrl = SimpleTest.getTestFileURL("file_presentation_1ua_receiver.html");
 var request;
 var connection;
 var receiverIframe;
@@ -27,33 +27,33 @@ function postMessageToIframe(aType) {
 
 function setup() {
 
-  gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-    debug('Got message: device-prompt');
-    gScript.removeMessageListener('device-prompt', devicePromptHandler);
-    gScript.sendAsyncMessage('trigger-device-prompt-select');
+  gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+    debug("Got message: device-prompt");
+    gScript.removeMessageListener("device-prompt", devicePromptHandler);
+    gScript.sendAsyncMessage("trigger-device-prompt-select");
   });
 
-  gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-    gScript.removeMessageListener('control-channel-established',
+  gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+    gScript.removeMessageListener("control-channel-established",
                                   controlChannelEstablishedHandler);
     gScript.sendAsyncMessage("trigger-control-channel-open");
   });
 
-  gScript.addMessageListener('sender-launch', function senderLaunchHandler(url) {
-    debug('Got message: sender-launch');
-    gScript.removeMessageListener('sender-launch', senderLaunchHandler);
-    is(url, receiverUrl, 'Receiver: should receive the same url');
-    receiverIframe = document.createElement('iframe');
-    receiverIframe.setAttribute('src', receiverUrl);
+  gScript.addMessageListener("sender-launch", function senderLaunchHandler(url) {
+    debug("Got message: sender-launch");
+    gScript.removeMessageListener("sender-launch", senderLaunchHandler);
+    is(url, receiverUrl, "Receiver: should receive the same url");
+    receiverIframe = document.createElement("iframe");
+    receiverIframe.setAttribute("src", receiverUrl);
     receiverIframe.setAttribute("mozbrowser", "true");
     receiverIframe.setAttribute("mozpresentation", receiverUrl);
-    var oop = !location.pathname.includes('_inproc');
+    var oop = !location.pathname.includes("_inproc");
     receiverIframe.setAttribute("remote", oop);
 
     // This event is triggered when the iframe calls "alert".
     receiverIframe.addEventListener("mozbrowsershowmodalprompt", function receiverListener(evt) {
       var message = evt.detail.message;
-      debug('Got iframe message: ' + message);
+      debug("Got iframe message: " + message);
       if (/^OK /.exec(message)) {
         ok(true, message.replace(/^OK /, ""));
       } else if (/^KO /.exec(message)) {
@@ -76,13 +76,13 @@ function setup() {
 
     var obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
                            .getService(SpecialPowers.Ci.nsIObserverService);
-    obs.notifyObservers(promise, 'setup-request-promise');
+    obs.notifyObservers(promise, "setup-request-promise");
   });
 
-  gScript.addMessageListener('promise-setup-ready', function promiseSetupReadyHandler() {
-    debug('Got message: promise-setup-ready');
-    gScript.removeMessageListener('promise-setup-ready', promiseSetupReadyHandler);
-    gScript.sendAsyncMessage('trigger-on-session-request', receiverUrl);
+  gScript.addMessageListener("promise-setup-ready", function promiseSetupReadyHandler() {
+    debug("Got message: promise-setup-ready");
+    gScript.removeMessageListener("promise-setup-ready", promiseSetupReadyHandler);
+    gScript.sendAsyncMessage("trigger-on-session-request", receiverUrl);
   });
 
   return Promise.resolve();
@@ -90,7 +90,7 @@ function setup() {
 
 function testCreateRequest() {
   return new Promise(function(aResolve, aReject) {
-    info('Sender: --- testCreateRequest ---');
+    info("Sender: --- testCreateRequest ---");
     request = new PresentationRequest("file_presentation_1ua_receiver.html");
     request.getAvailability().then((aAvailability) => {
       is(aAvailability.value, false, "Sender: should have no available device after setup");
@@ -98,9 +98,9 @@ function testCreateRequest() {
         aAvailability.onchange = null;
         ok(aAvailability.value, "Sender: Device should be available.");
         aResolve();
-      }
+      };
 
-      gScript.sendAsyncMessage('trigger-device-add');
+      gScript.sendAsyncMessage("trigger-device-add");
     }).catch((aError) => {
       ok(false, "Sender: Error occurred when getting availability: " + aError);
       teardown();
@@ -140,17 +140,17 @@ function testStartConnection() {
 
 function testSendMessage() {
   return new Promise(function(aResolve, aReject) {
-    info('Sender: --- testSendMessage ---');
-    gScript.addMessageListener('trigger-message-from-sender', function triggerMessageFromSenderHandler() {
-      debug('Got message: trigger-message-from-sender');
-      gScript.removeMessageListener('trigger-message-from-sender', triggerMessageFromSenderHandler);
-      info('Send message to receiver');
-      connection.send('msg-sender-to-receiver');
+    info("Sender: --- testSendMessage ---");
+    gScript.addMessageListener("trigger-message-from-sender", function triggerMessageFromSenderHandler() {
+      debug("Got message: trigger-message-from-sender");
+      gScript.removeMessageListener("trigger-message-from-sender", triggerMessageFromSenderHandler);
+      info("Send message to receiver");
+      connection.send("msg-sender-to-receiver");
     });
 
-    gScript.addMessageListener('message-from-sender-received', function messageFromSenderReceivedHandler() {
-      debug('Got message: message-from-sender-received');
-      gScript.removeMessageListener('message-from-sender-received', messageFromSenderReceivedHandler);
+    gScript.addMessageListener("message-from-sender-received", function messageFromSenderReceivedHandler() {
+      debug("Got message: message-from-sender-received");
+      gScript.removeMessageListener("message-from-sender-received", messageFromSenderReceivedHandler);
       aResolve();
     });
   });
@@ -158,24 +158,24 @@ function testSendMessage() {
 
 function testIncomingMessage() {
   return new Promise(function(aResolve, aReject) {
-    info('Sender: --- testIncomingMessage ---');
-    connection.addEventListener('message', function(evt) {
+    info("Sender: --- testIncomingMessage ---");
+    connection.addEventListener("message", function(evt) {
       let msg = evt.data;
       is(msg, "msg-receiver-to-sender", "Sender: Sender should receive message from Receiver");
-      postMessageToIframe('message-from-receiver-received');
+      postMessageToIframe("message-from-receiver-received");
       aResolve();
     }, {once: true});
-    postMessageToIframe('trigger-message-from-receiver');
+    postMessageToIframe("trigger-message-from-receiver");
   });
 }
 
 function testSendBlobMessage() {
   return new Promise(function(aResolve, aReject) {
-    info('Sender: --- testSendBlobMessage ---');
-    connection.addEventListener('message', function(evt) {
+    info("Sender: --- testSendBlobMessage ---");
+    connection.addEventListener("message", function(evt) {
       let msg = evt.data;
       is(msg, "testIncomingBlobMessage", "Sender: Sender should receive message from Receiver");
-      let blob = new Blob(["Hello World"], {type : 'text/plain'});
+      let blob = new Blob(["Hello World"], {type: "text/plain"});
       connection.send(blob);
       aResolve();
     }, {once: true});
@@ -184,8 +184,8 @@ function testSendBlobMessage() {
 
 function testSendArrayBuffer() {
   return new Promise(function(aResolve, aReject) {
-    info('Sender: --- testSendArrayBuffer ---');
-    connection.addEventListener('message', function(evt) {
+    info("Sender: --- testSendArrayBuffer ---");
+    connection.addEventListener("message", function(evt) {
       let msg = evt.data;
       is(msg, "testIncomingArrayBuffer", "Sender: Sender should receive message from Receiver");
       connection.send(DATA_ARRAY_BUFFER);
@@ -196,8 +196,8 @@ function testSendArrayBuffer() {
 
 function testSendArrayBufferView() {
   return new Promise(function(aResolve, aReject) {
-    info('Sender: --- testSendArrayBufferView ---');
-    connection.addEventListener('message', function(evt) {
+    info("Sender: --- testSendArrayBufferView ---");
+    connection.addEventListener("message", function(evt) {
       let msg = evt.data;
       is(msg, "testIncomingArrayBufferView", "Sender: Sender should receive message from Receiver");
       connection.send(TYPED_DATA_ARRAY);
@@ -207,19 +207,18 @@ function testSendArrayBufferView() {
 }
 
 function testCloseConnection() {
-  info('Sender: --- testCloseConnection ---');
+  info("Sender: --- testCloseConnection ---");
   // Test terminate immediate after close.
-  function controlChannelEstablishedHandler()
-  {
-    gScript.removeMessageListener('control-channel-established',
+  function controlChannelEstablishedHandler() {
+    gScript.removeMessageListener("control-channel-established",
                                   controlChannelEstablishedHandler);
     ok(false, "terminate after close should do nothing");
   }
-  gScript.addMessageListener('ready-to-close', function onReadyToClose() {
-    gScript.removeMessageListener('ready-to-close', onReadyToClose);
+  gScript.addMessageListener("ready-to-close", function onReadyToClose() {
+    gScript.removeMessageListener("ready-to-close", onReadyToClose);
     connection.close();
 
-    gScript.addMessageListener('control-channel-established', controlChannelEstablishedHandler);
+    gScript.addMessageListener("control-channel-established", controlChannelEstablishedHandler);
     connection.terminate();
   });
 
@@ -227,34 +226,34 @@ function testCloseConnection() {
     new Promise(function(aResolve, aReject) {
       connection.onclose = function() {
         connection.onclose = null;
-        is(connection.state, 'closed', 'Sender: Connection should be closed.');
-        gScript.removeMessageListener('control-channel-established',
+        is(connection.state, "closed", "Sender: Connection should be closed.");
+        gScript.removeMessageListener("control-channel-established",
                                       controlChannelEstablishedHandler);
         aResolve();
       };
     }),
     new Promise(function(aResolve, aReject) {
       let timeout = setTimeout(function() {
-        gScript.removeMessageListener('device-disconnected',
+        gScript.removeMessageListener("device-disconnected",
                                       deviceDisconnectedHandler);
         ok(true, "terminate after close should not trigger device.disconnect");
         aResolve();
       }, 3000);
 
       function deviceDisconnectedHandler() {
-        gScript.removeMessageListener('device-disconnected',
+        gScript.removeMessageListener("device-disconnected",
                                       deviceDisconnectedHandler);
         ok(false, "terminate after close should not trigger device.disconnect");
         clearTimeout(timeout);
         aResolve();
       }
 
-      gScript.addMessageListener('device-disconnected', deviceDisconnectedHandler);
+      gScript.addMessageListener("device-disconnected", deviceDisconnectedHandler);
     }),
     new Promise(function(aResolve, aReject) {
-      gScript.addMessageListener('receiver-closed', function onReceiverClosed() {
-        gScript.removeMessageListener('receiver-closed', onReceiverClosed);
-        gScript.removeMessageListener('control-channel-established',
+      gScript.addMessageListener("receiver-closed", function onReceiverClosed() {
+        gScript.removeMessageListener("receiver-closed", onReceiverClosed);
+        gScript.removeMessageListener("control-channel-established",
                                       controlChannelEstablishedHandler);
         aResolve();
       });
@@ -263,19 +262,19 @@ function testCloseConnection() {
 }
 
 function testTerminateAfterClose() {
-  info('Sender: --- testTerminateAfterClose ---');
+  info("Sender: --- testTerminateAfterClose ---");
   return Promise.race([
       new Promise(function(aResolve, aReject) {
         connection.onterminate = function() {
           connection.onterminate = null;
-          ok(false, 'terminate after close should do nothing');
+          ok(false, "terminate after close should do nothing");
           aResolve();
         };
         connection.terminate();
       }),
       new Promise(function(aResolve, aReject) {
         setTimeout(function() {
-          is(connection.state, 'closed', 'Sender: Connection should be closed.');
+          is(connection.state, "closed", "Sender: Connection should be closed.");
           aResolve();
         }, 3000);
       }),
@@ -284,21 +283,21 @@ function testTerminateAfterClose() {
 
 function testReconnect() {
   return new Promise(function(aResolve, aReject) {
-    info('Sender: --- testReconnect ---');
-    gScript.addMessageListener('control-channel-established', function controlChannelEstablished() {
-      gScript.removeMessageListener('control-channel-established', controlChannelEstablished);
+    info("Sender: --- testReconnect ---");
+    gScript.addMessageListener("control-channel-established", function controlChannelEstablished() {
+      gScript.removeMessageListener("control-channel-established", controlChannelEstablished);
       gScript.sendAsyncMessage("trigger-control-channel-open");
     });
 
-    gScript.addMessageListener('start-reconnect', function startReconnectHandler(url) {
-      debug('Got message: start-reconnect');
-      gScript.removeMessageListener('start-reconnect', startReconnectHandler);
-      is(url, receiverUrl, "URLs should be the same.")
-      gScript.sendAsyncMessage('trigger-reconnected-acked', url);
+    gScript.addMessageListener("start-reconnect", function startReconnectHandler(url) {
+      debug("Got message: start-reconnect");
+      gScript.removeMessageListener("start-reconnect", startReconnectHandler);
+      is(url, receiverUrl, "URLs should be the same.");
+      gScript.sendAsyncMessage("trigger-reconnected-acked", url);
     });
 
-    gScript.addMessageListener('ready-to-reconnect', function onReadyToReconnect() {
-      gScript.removeMessageListener('ready-to-reconnect', onReadyToReconnect);
+    gScript.addMessageListener("ready-to-reconnect", function onReadyToReconnect() {
+      gScript.removeMessageListener("ready-to-reconnect", onReadyToReconnect);
       request.reconnect(presentationId).then((aConnection) => {
         connection = aConnection;
         ok(connection, "Sender: Connection should be available.");
@@ -316,19 +315,19 @@ function testReconnect() {
       });
     });
 
-    postMessageToIframe('prepare-for-reconnect');
+    postMessageToIframe("prepare-for-reconnect");
   });
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    debug('Got message: teardown-complete');
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    debug("Got message: teardown-complete");
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -347,12 +346,12 @@ function runTests() {
 }
 
 SimpleTest.waitForExplicitFinish();
-SimpleTest.requestFlakyTimeout('Test for guarantee not firing async event');
+SimpleTest.requestFlakyTimeout("Test for guarantee not firing async event");
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
   {type: "browser", allow: true, context: document},
 ], () => {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       /* Mocked TCP session transport builder in the test */
                                       ["dom.presentation.session_transport.data_channel.enable", true],
                                       ["dom.presentation.controller.enabled", true],
diff --git a/dom/presentation/tests/mochitest/test_presentation_availability.html b/dom/presentation/tests/mochitest/test_presentation_availability.html
index 67741c0d4783..a942a8028f6f 100644
--- a/dom/presentation/tests/mochitest/test_presentation_availability.html
+++ b/dom/presentation/tests/mochitest/test_presentation_availability.html
@@ -14,7 +14,7 @@
 // This test loads in an iframe, to ensure that the navigator instance is
 // loaded with the correct value of the preference.
 SimpleTest.waitForExplicitFinish();
-SimpleTest.requestFlakyTimeout('Test for guarantee not firing async event');
+SimpleTest.requestFlakyTimeout("Test for guarantee not firing async event");
 SpecialPowers.pushPermissions([
   {type: "presentation-device-manage", allow: false, context: document},
 ], function() {
diff --git a/dom/presentation/tests/mochitest/test_presentation_availability_iframe.html b/dom/presentation/tests/mochitest/test_presentation_availability_iframe.html
index e45f490225ec..be96e3f7a0e9 100644
--- a/dom/presentation/tests/mochitest/test_presentation_availability_iframe.html
+++ b/dom/presentation/tests/mochitest/test_presentation_availability_iframe.html
@@ -19,21 +19,21 @@ let SpecialPowers = window.parent.SpecialPowers;
 "use strict";
 
 var testDevice = {
-  id: 'id',
-  name: 'name',
-  type: 'type',
+  id: "id",
+  name: "name",
+  type: "type",
 };
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationDeviceInfoChromeScript.js'));
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationDeviceInfoChromeScript.js"));
 var request;
 var availability;
 
 function testSetup() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('setup-complete', function() {
+    gScript.addMessageListener("setup-complete", function() {
       aResolve();
     });
-    gScript.sendAsyncMessage('setup');
+    gScript.sendAsyncMessage("setup");
   });
 }
 
@@ -45,9 +45,9 @@ function testInitialUnavailable() {
     aAvailability.onchange = function() {
       aAvailability.onchange = null;
       ok(aAvailability.value, "Device should be available.");
-    }
+    };
     availability = aAvailability;
-    gScript.sendAsyncMessage('trigger-device-add', testDevice);
+    gScript.sendAsyncMessage("trigger-device-add", testDevice);
   }).catch(function(aError) {
     ok(false, "Error occurred when getting availability: " + aError);
     teardown();
@@ -81,8 +81,8 @@ function testOnChangeEvent() {
       availability.onchange = null;
       is(availability.value, false, "Should have no available device after device removed");
       aResolve();
-    }
-    gScript.sendAsyncMessage('trigger-device-remove');
+    };
+    gScript.sendAsyncMessage("trigger-device-remove");
   });
 }
 
@@ -112,15 +112,15 @@ function testUnsupportedDeviceAvailability() {
           availability.onchange = null;
           ok(false, "Should not get onchange event.");
           teardown();
-        }
+        };
       });
-      gScript.sendAsyncMessage('trigger-add-unsupport-url-device');
+      gScript.sendAsyncMessage("trigger-add-unsupport-url-device");
     }),
     new Promise(function(aResolve, aReject) {
       setTimeout(function() {
         ok(true, "Should not get onchange event.");
         availability.onchange = null;
-        gScript.sendAsyncMessage('trigger-remove-unsupported-device');
+        gScript.sendAsyncMessage("trigger-remove-unsupported-device");
         aResolve();
       }, 3000);
     }),
@@ -152,11 +152,11 @@ function testMultipleAvailabilityURLs() {
       });
     }),
     new Promise(function(aResolve) {
-      gScript.sendAsyncMessage('trigger-add-multiple-devices');
+      gScript.sendAsyncMessage("trigger-add-multiple-devices");
       aResolve();
     }),
   ]).then(new Promise(function(aResolve) {
-    gScript.sendAsyncMessage('trigger-remove-multiple-devices');
+    gScript.sendAsyncMessage("trigger-remove-multiple-devices");
     aResolve();
   }));
 }
@@ -194,11 +194,11 @@ function testPartialSupportedDeviceAvailability() {
       }),
     ]),
     new Promise(function(aResolve) {
-      gScript.sendAsyncMessage('trigger-add-https-devices');
+      gScript.sendAsyncMessage("trigger-add-https-devices");
       aResolve();
     }),
   ]).then(new Promise(function(aResolve) {
-    gScript.sendAsyncMessage('trigger-remove-https-devices');
+    gScript.sendAsyncMessage("trigger-remove-https-devices");
     aResolve();
   }));
 }
@@ -206,7 +206,7 @@ function testPartialSupportedDeviceAvailability() {
 function teardown() {
   request = null;
   availability = null;
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
   gScript.destroy();
   SimpleTest.finish();
 }
diff --git a/dom/presentation/tests/mochitest/test_presentation_datachannel_sessiontransport.html b/dom/presentation/tests/mochitest/test_presentation_datachannel_sessiontransport.html
index afc6fc6e3462..b711d5f36368 100644
--- a/dom/presentation/tests/mochitest/test_presentation_datachannel_sessiontransport.html
+++ b/dom/presentation/tests/mochitest/test_presentation_datachannel_sessiontransport.html
@@ -43,7 +43,7 @@ var gReject;
 
 const clientCallback = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationSessionTransportCallback]),
-  notifyTransportReady: function () {
+  notifyTransportReady() {
     info("Client transport ready.");
 
     isClientReady = true;
@@ -51,7 +51,7 @@ const clientCallback = {
       gResolve();
     }
   },
-  notifyTransportClosed: function (aReason) {
+  notifyTransportClosed(aReason) {
     info("Client transport is closed.");
 
     isClientClosed = true;
@@ -59,7 +59,7 @@ const clientCallback = {
       gResolve();
     }
   },
-  notifyData: function(aData) {
+  notifyData(aData) {
     is(aData, serverMessage, "Client transport receives data.");
     gResolve();
   },
@@ -67,7 +67,7 @@ const clientCallback = {
 
 const serverCallback = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationSessionTransportCallback]),
-  notifyTransportReady: function () {
+  notifyTransportReady() {
     info("Server transport ready.");
 
     isServerReady = true;
@@ -75,7 +75,7 @@ const serverCallback = {
       gResolve();
     }
   },
-  notifyTransportClosed: function (aReason) {
+  notifyTransportClosed(aReason) {
     info("Server transport is closed.");
 
     isServerClosed = true;
@@ -83,34 +83,34 @@ const serverCallback = {
       gResolve();
     }
   },
-  notifyData: function(aData) {
+  notifyData(aData) {
     is(aData, clientMessage, "Server transport receives data.");
-    gResolve()
+    gResolve();
   },
 };
 
 const clientListener = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationSessionTransportBuilderListener]),
-  onSessionTransport: function(aTransport) {
+  onSessionTransport(aTransport) {
     info("Client Transport is built.");
     clientTransport = aTransport;
     clientTransport.callback = clientCallback;
   },
-  onError: function(aError)  {
+  onError(aError) {
     ok(false, "client's builder reports error " + aError);
   },
-  sendOffer: function(aOffer) {
-    setTimeout(()=>this._remoteBuilder.onOffer(aOffer), 0);
+  sendOffer(aOffer) {
+    setTimeout(() => this._remoteBuilder.onOffer(aOffer), 0);
   },
-  sendAnswer: function(aAnswer) {
-    setTimeout(()=>this._remoteBuilder.onAnswer(aAnswer), 0);
+  sendAnswer(aAnswer) {
+    setTimeout(() => this._remoteBuilder.onAnswer(aAnswer), 0);
   },
-  sendIceCandidate: function(aCandidate) {
-    setTimeout(()=>this._remoteBuilder.onIceCandidate(aCandidate), 0);
+  sendIceCandidate(aCandidate) {
+    setTimeout(() => this._remoteBuilder.onIceCandidate(aCandidate), 0);
   },
-  disconnect: function(aReason) {
-    setTimeout(()=>this._localBuilder.notifyDisconnected(aReason), 0);
-    setTimeout(()=>this._remoteBuilder.notifyDisconnected(aReason), 0);
+  disconnect(aReason) {
+    setTimeout(() => this._localBuilder.notifyDisconnected(aReason), 0);
+    setTimeout(() => this._remoteBuilder.notifyDisconnected(aReason), 0);
   },
   set remoteBuilder(aRemoteBuilder) {
     this._remoteBuilder = aRemoteBuilder;
@@ -118,31 +118,31 @@ const clientListener = {
   set localBuilder(aLocalBuilder) {
     this._localBuilder = aLocalBuilder;
   },
-}
+};
 
 const serverListener = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationSessionTransportBuilderListener]),
-  onSessionTransport: function(aTransport) {
+  onSessionTransport(aTransport) {
     info("Server Transport is built.");
     serverTransport = aTransport;
     serverTransport.callback = serverCallback;
     serverTransport.enableDataNotification();
   },
-  onError: function(aError)  {
+  onError(aError) {
     ok(false, "server's builder reports error " + aError);
   },
-  sendOffer: function(aOffer) {
-    setTimeout(()=>this._remoteBuilder.onOffer(aOffer), 0);
+  sendOffer(aOffer) {
+    setTimeout(() => this._remoteBuilder.onOffer(aOffer), 0);
   },
-  sendAnswer: function(aAnswer) {
-    setTimeout(()=>this._remoteBuilder.onAnswer(aAnswer), 0);
+  sendAnswer(aAnswer) {
+    setTimeout(() => this._remoteBuilder.onAnswer(aAnswer), 0);
   },
-  sendIceCandidate: function(aCandidate) {
-    setTimeout(()=>this._remoteBuilder.onIceCandidate(aCandidate), 0);
+  sendIceCandidate(aCandidate) {
+    setTimeout(() => this._remoteBuilder.onIceCandidate(aCandidate), 0);
   },
-  disconnect: function(aReason) {
-    setTimeout(()=>this._localBuilder.notifyDisconnected(aReason), 0);
-    setTimeout(()=>this._remoteBuilder.notifyDisconnected(aReason), 0);
+  disconnect(aReason) {
+    setTimeout(() => this._localBuilder.notifyDisconnected(aReason), 0);
+    setTimeout(() => this._remoteBuilder.notifyDisconnected(aReason), 0);
   },
   set remoteBuilder(aRemoteBuilder) {
     this._remoteBuilder = aRemoteBuilder;
@@ -150,7 +150,7 @@ const serverListener = {
   set localBuilder(aLocalBuilder) {
     this._localBuilder = aLocalBuilder;
   },
-}
+};
 
 function testBuilder() {
   return new Promise(function(aResolve, aReject) {
@@ -196,7 +196,7 @@ function testServerSendMessage() {
     gReject = aReject;
 
     serverTransport.send(serverMessage);
-    setTimeout(()=>clientTransport.enableDataNotification(), 0);
+    setTimeout(() => clientTransport.enableDataNotification(), 0);
   });
 }
 
diff --git a/dom/presentation/tests/mochitest/test_presentation_dc_receiver.html b/dom/presentation/tests/mochitest/test_presentation_dc_receiver.html
index af4ae9a00da9..4ca24067f17f 100644
--- a/dom/presentation/tests/mochitest/test_presentation_dc_receiver.html
+++ b/dom/presentation/tests/mochitest/test_presentation_dc_receiver.html
@@ -15,20 +15,20 @@
 <pre id="test"></pre>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
-var receiverUrl = SimpleTest.getTestFileURL('file_presentation_receiver.html');
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
+var receiverUrl = SimpleTest.getTestFileURL("file_presentation_receiver.html");
 
 var obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
           .getService(SpecialPowers.Ci.nsIObserverService);
 
 function setup() {
   return new Promise(function(aResolve, aReject) {
-    gScript.sendAsyncMessage('trigger-device-add');
+    gScript.sendAsyncMessage("trigger-device-add");
 
-    var iframe = document.createElement('iframe');
-    iframe.setAttribute('src', receiverUrl);
+    var iframe = document.createElement("iframe");
+    iframe.setAttribute("src", receiverUrl);
     iframe.setAttribute("mozbrowser", "true");
     iframe.setAttribute("mozpresentation", receiverUrl);
 
@@ -56,35 +56,35 @@ function setup() {
 
       aResolve(iframe);
     });
-    obs.notifyObservers(promise, 'setup-request-promise');
+    obs.notifyObservers(promise, "setup-request-promise");
 
-    gScript.addMessageListener('offer-received', function offerReceivedHandler() {
-      gScript.removeMessageListener('offer-received', offerReceivedHandler);
+    gScript.addMessageListener("offer-received", function offerReceivedHandler() {
+      gScript.removeMessageListener("offer-received", offerReceivedHandler);
       info("An offer is received.");
     });
 
-    gScript.addMessageListener('answer-sent', function answerSentHandler(aIsValid) {
-      gScript.removeMessageListener('answer-sent', answerSentHandler);
+    gScript.addMessageListener("answer-sent", function answerSentHandler(aIsValid) {
+      gScript.removeMessageListener("answer-sent", answerSentHandler);
       ok(aIsValid, "A valid answer is sent.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       is(aReason, SpecialPowers.Cr.NS_OK, "The control channel is closed normally.");
     });
 
-    gScript.addMessageListener('check-navigator', function checknavigatorHandler(aSuccess) {
-      gScript.removeMessageListener('check-navigator', checknavigatorHandler);
+    gScript.addMessageListener("check-navigator", function checknavigatorHandler(aSuccess) {
+      gScript.removeMessageListener("check-navigator", checknavigatorHandler);
       ok(aSuccess, "buildDataChannel get correct window object");
     });
 
-    gScript.addMessageListener('data-transport-notification-enabled', function dataTransportNotificationEnabledHandler() {
-      gScript.removeMessageListener('data-transport-notification-enabled', dataTransportNotificationEnabledHandler);
+    gScript.addMessageListener("data-transport-notification-enabled", function dataTransportNotificationEnabledHandler() {
+      gScript.removeMessageListener("data-transport-notification-enabled", dataTransportNotificationEnabledHandler);
       info("Data notification is enabled for data transport channel.");
     });
 
-    gScript.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-      gScript.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+    gScript.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+      gScript.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
       is(aReason, SpecialPowers.Cr.NS_OK, "The data transport should be closed normally.");
     });
 
@@ -94,8 +94,8 @@ function setup() {
 
 function testIncomingSessionRequest() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('receiver-launching', function launchReceiverHandler(aSessionId) {
-      gScript.removeMessageListener('receiver-launching', launchReceiverHandler);
+    gScript.addMessageListener("receiver-launching", function launchReceiverHandler(aSessionId) {
+      gScript.removeMessageListener("receiver-launching", launchReceiverHandler);
       info("Trying to launch receiver page.");
 
       ok(navigator.presentation, "navigator.presentation should be available in in-process pages.");
@@ -103,18 +103,18 @@ function testIncomingSessionRequest() {
       aResolve();
     });
 
-    gScript.sendAsyncMessage('trigger-incoming-session-request', receiverUrl);
+    gScript.sendAsyncMessage("trigger-incoming-session-request", receiverUrl);
   });
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -124,10 +124,10 @@ function runTests() {
 
 SimpleTest.waitForExplicitFinish();
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
   {type: "browser", allow: true, context: document},
 ], function() {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", false],
                                       ["dom.presentation.receiver.enabled", true],
                                       ["dom.presentation.session_transport.data_channel.enable", true],
diff --git a/dom/presentation/tests/mochitest/test_presentation_dc_receiver_oop.html b/dom/presentation/tests/mochitest/test_presentation_dc_receiver_oop.html
index 9d88548073ad..14b17a3e6bfa 100644
--- a/dom/presentation/tests/mochitest/test_presentation_dc_receiver_oop.html
+++ b/dom/presentation/tests/mochitest/test_presentation_dc_receiver_oop.html
@@ -16,11 +16,11 @@
 <pre id="test"></pre>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
-var receiverUrl = SimpleTest.getTestFileURL('file_presentation_receiver.html');
-var nonReceiverUrl = SimpleTest.getTestFileURL('file_presentation_non_receiver.html');
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
+var receiverUrl = SimpleTest.getTestFileURL("file_presentation_receiver.html");
+var nonReceiverUrl = SimpleTest.getTestFileURL("file_presentation_non_receiver.html");
 
 var isReceiverFinished = false;
 var isNonReceiverFinished = false;
@@ -31,17 +31,17 @@ var receiverIframe;
 
 function setup() {
   return new Promise(function(aResolve, aReject) {
-    gScript.sendAsyncMessage('trigger-device-add');
+    gScript.sendAsyncMessage("trigger-device-add");
 
     // Create a receiver OOP iframe.
-    receiverIframe = document.createElement('iframe');
-    receiverIframe.setAttribute('remote', 'true');
-    receiverIframe.setAttribute('mozbrowser', 'true');
-    receiverIframe.setAttribute('mozpresentation', receiverUrl);
-    receiverIframe.setAttribute('src', receiverUrl);
+    receiverIframe = document.createElement("iframe");
+    receiverIframe.setAttribute("remote", "true");
+    receiverIframe.setAttribute("mozbrowser", "true");
+    receiverIframe.setAttribute("mozpresentation", receiverUrl);
+    receiverIframe.setAttribute("src", receiverUrl);
 
     // This event is triggered when the iframe calls "alert".
-    receiverIframe.addEventListener('mozbrowsershowmodalprompt', function receiverListener(aEvent) {
+    receiverIframe.addEventListener("mozbrowsershowmodalprompt", function receiverListener(aEvent) {
       var message = aEvent.detail.message;
       if (/^OK /.exec(message)) {
         ok(true, "Message from iframe: " + message);
@@ -50,16 +50,16 @@ function setup() {
       } else if (/^INFO /.exec(message)) {
         info("Message from iframe: " + message);
       } else if (/^COMMAND /.exec(message)) {
-        var command = JSON.parse(message.replace(/^COMMAND /, ''));
+        var command = JSON.parse(message.replace(/^COMMAND /, ""));
         if (command.name == "trigger-incoming-message") {
           var mm = SpecialPowers.getBrowserFrameMessageManager(receiverIframe);
-          mm.sendAsyncMessage('trigger-incoming-message', {"data": command.data});
+          mm.sendAsyncMessage("trigger-incoming-message", {"data": command.data});
         } else {
           gScript.sendAsyncMessage(command.name, command.data);
         }
       } else if (/^DONE$/.exec(message)) {
         ok(true, "Messaging from iframe complete.");
-        receiverIframe.removeEventListener('mozbrowsershowmodalprompt', receiverListener);
+        receiverIframe.removeEventListener("mozbrowsershowmodalprompt", receiverListener);
 
         isReceiverFinished = true;
 
@@ -78,16 +78,16 @@ function setup() {
 
       aResolve(receiverIframe);
     });
-    obs.notifyObservers(promise, 'setup-request-promise');
+    obs.notifyObservers(promise, "setup-request-promise");
 
     // Create a non-receiver OOP iframe.
-    var nonReceiverIframe = document.createElement('iframe');
-    nonReceiverIframe.setAttribute('remote', 'true');
-    nonReceiverIframe.setAttribute('mozbrowser', 'true');
-    nonReceiverIframe.setAttribute('src', nonReceiverUrl);
+    var nonReceiverIframe = document.createElement("iframe");
+    nonReceiverIframe.setAttribute("remote", "true");
+    nonReceiverIframe.setAttribute("mozbrowser", "true");
+    nonReceiverIframe.setAttribute("src", nonReceiverUrl);
 
     // This event is triggered when the iframe calls "alert".
-    nonReceiverIframe.addEventListener('mozbrowsershowmodalprompt', function nonReceiverListener(aEvent) {
+    nonReceiverIframe.addEventListener("mozbrowsershowmodalprompt", function nonReceiverListener(aEvent) {
       var message = aEvent.detail.message;
       if (/^OK /.exec(message)) {
         ok(true, "Message from iframe: " + message);
@@ -96,11 +96,11 @@ function setup() {
       } else if (/^INFO /.exec(message)) {
         info("Message from iframe: " + message);
       } else if (/^COMMAND /.exec(message)) {
-        var command = JSON.parse(message.replace(/^COMMAND /, ''));
+        var command = JSON.parse(message.replace(/^COMMAND /, ""));
         gScript.sendAsyncMessage(command.name, command.data);
       } else if (/^DONE$/.exec(message)) {
         ok(true, "Messaging from iframe complete.");
-        nonReceiverIframe.removeEventListener('mozbrowsershowmodalprompt', nonReceiverListener);
+        nonReceiverIframe.removeEventListener("mozbrowsershowmodalprompt", nonReceiverListener);
 
         isNonReceiverFinished = true;
 
@@ -112,34 +112,34 @@ function setup() {
 
     document.body.appendChild(nonReceiverIframe);
 
-    gScript.addMessageListener('offer-received', function offerReceivedHandler() {
-      gScript.removeMessageListener('offer-received', offerReceivedHandler);
+    gScript.addMessageListener("offer-received", function offerReceivedHandler() {
+      gScript.removeMessageListener("offer-received", offerReceivedHandler);
       info("An offer is received.");
     });
 
-    gScript.addMessageListener('answer-sent', function answerSentHandler(aIsValid) {
-      gScript.removeMessageListener('answer-sent', answerSentHandler);
+    gScript.addMessageListener("answer-sent", function answerSentHandler(aIsValid) {
+      gScript.removeMessageListener("answer-sent", answerSentHandler);
       ok(aIsValid, "A valid answer is sent.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       is(aReason, SpecialPowers.Cr.NS_OK, "The control channel is closed normally.");
     });
 
     var mm = SpecialPowers.getBrowserFrameMessageManager(receiverIframe);
-    mm.addMessageListener('check-navigator', function checknavigatorHandler(aSuccess) {
-      mm.removeMessageListener('check-navigator', checknavigatorHandler);
+    mm.addMessageListener("check-navigator", function checknavigatorHandler(aSuccess) {
+      mm.removeMessageListener("check-navigator", checknavigatorHandler);
       ok(SpecialPowers.wrap(aSuccess).data.data, "buildDataChannel get correct window object");
     });
 
-    mm.addMessageListener('data-transport-notification-enabled', function dataTransportNotificationEnabledHandler() {
-      mm.removeMessageListener('data-transport-notification-enabled', dataTransportNotificationEnabledHandler);
+    mm.addMessageListener("data-transport-notification-enabled", function dataTransportNotificationEnabledHandler() {
+      mm.removeMessageListener("data-transport-notification-enabled", dataTransportNotificationEnabledHandler);
       info("Data notification is enabled for data transport channel.");
     });
 
-    mm.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-      mm.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+    mm.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+      mm.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
       is(SpecialPowers.wrap(aReason).data.data, SpecialPowers.Cr.NS_OK, "The data transport should be closed normally.");
     });
 
@@ -149,14 +149,14 @@ function setup() {
 
 function testIncomingSessionRequest() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('receiver-launching', function launchReceiverHandler(aSessionId) {
-      gScript.removeMessageListener('receiver-launching', launchReceiverHandler);
+    gScript.addMessageListener("receiver-launching", function launchReceiverHandler(aSessionId) {
+      gScript.removeMessageListener("receiver-launching", launchReceiverHandler);
       info("Trying to launch receiver page.");
 
       aResolve();
     });
 
-    gScript.sendAsyncMessage('trigger-incoming-session-request', receiverUrl);
+    gScript.sendAsyncMessage("trigger-incoming-session-request", receiverUrl);
   });
 }
 
@@ -164,18 +164,18 @@ var mmTeardownComplete = false;
 var gScriptTeardownComplete = false;
 function teardown() {
   var mm = SpecialPowers.getBrowserFrameMessageManager(receiverIframe);
-  mm.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    mm.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  mm.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    mm.removeMessageListener("teardown-complete", teardownCompleteHandler);
     mmTeardownComplete = true;
     if (gScriptTeardownComplete) {
       SimpleTest.finish();
     }
   });
 
-  mm.sendAsyncMessage('teardown');
+  mm.sendAsyncMessage("teardown");
 
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     gScriptTeardownComplete = true;
     if (mmTeardownComplete) {
@@ -183,7 +183,7 @@ function teardown() {
     }
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -193,10 +193,10 @@ function runTests() {
 
 SimpleTest.waitForExplicitFinish();
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
-  {type: 'browser', allow: true, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
+  {type: "browser", allow: true, context: document},
 ], function() {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", false],
                                       ["dom.presentation.receiver.enabled", true],
                                       ["dom.presentation.session_transport.data_channel.enable", true],
diff --git a/dom/presentation/tests/mochitest/test_presentation_dc_sender.html b/dom/presentation/tests/mochitest/test_presentation_dc_sender.html
index 529154de285c..ff01c80df9db 100644
--- a/dom/presentation/tests/mochitest/test_presentation_dc_sender.html
+++ b/dom/presentation/tests/mochitest/test_presentation_dc_sender.html
@@ -13,9 +13,9 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1148307">Test for B2G Presentation API at sender side</a>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
 var frameScript = SpecialPowers.isMainProcess() ? gScript : contentScript;
 var request;
 var connection;
@@ -31,9 +31,9 @@ function testSetup() {
           aAvailability.onchange = null;
           ok(aAvailability.value, "Device should be available.");
           aResolve();
-        }
+        };
 
-        gScript.sendAsyncMessage('trigger-device-add');
+        gScript.sendAsyncMessage("trigger-device-add");
       },
       function(aError) {
         ok(false, "Error occurred when getting availability: " + aError);
@@ -46,51 +46,51 @@ function testSetup() {
 
 function testStartConnection() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-      gScript.removeMessageListener('device-prompt', devicePromptHandler);
+    gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+      gScript.removeMessageListener("device-prompt", devicePromptHandler);
       info("Device prompt is triggered.");
-      gScript.sendAsyncMessage('trigger-device-prompt-select');
+      gScript.sendAsyncMessage("trigger-device-prompt-select");
     });
 
-    gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-      gScript.removeMessageListener('control-channel-established', controlChannelEstablishedHandler);
+    gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+      gScript.removeMessageListener("control-channel-established", controlChannelEstablishedHandler);
       info("A control channel is established.");
-      gScript.sendAsyncMessage('trigger-control-channel-open');
+      gScript.sendAsyncMessage("trigger-control-channel-open");
     });
 
-    gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-opened', controlChannelOpenedHandler);
+    gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-opened", controlChannelOpenedHandler);
       info("The control channel is opened.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       info("The control channel is closed. " + aReason);
     });
 
-    frameScript.addMessageListener('check-navigator', function checknavigatorHandler(aSuccess) {
-      frameScript.removeMessageListener('check-navigator', checknavigatorHandler);
+    frameScript.addMessageListener("check-navigator", function checknavigatorHandler(aSuccess) {
+      frameScript.removeMessageListener("check-navigator", checknavigatorHandler);
       ok(aSuccess, "buildDataChannel get correct window object");
     });
 
-    gScript.addMessageListener('offer-sent', function offerSentHandler(aIsValid) {
-      gScript.removeMessageListener('offer-sent', offerSentHandler);
+    gScript.addMessageListener("offer-sent", function offerSentHandler(aIsValid) {
+      gScript.removeMessageListener("offer-sent", offerSentHandler);
       ok(aIsValid, "A valid offer is sent out.");
-      gScript.sendAsyncMessage('trigger-incoming-answer');
+      gScript.sendAsyncMessage("trigger-incoming-answer");
     });
 
-    gScript.addMessageListener('answer-received', function answerReceivedHandler() {
-      gScript.removeMessageListener('answer-received', answerReceivedHandler);
+    gScript.addMessageListener("answer-received", function answerReceivedHandler() {
+      gScript.removeMessageListener("answer-received", answerReceivedHandler);
       info("An answer is received.");
     });
 
-    frameScript.addMessageListener('data-transport-initialized', function dataTransportInitializedHandler() {
-      frameScript.removeMessageListener('data-transport-initialized', dataTransportInitializedHandler);
+    frameScript.addMessageListener("data-transport-initialized", function dataTransportInitializedHandler() {
+      frameScript.removeMessageListener("data-transport-initialized", dataTransportInitializedHandler);
       info("Data transport channel is initialized.");
     });
 
-    frameScript.addMessageListener('data-transport-notification-enabled', function dataTransportNotificationEnabledHandler() {
-      frameScript.removeMessageListener('data-transport-notification-enabled', dataTransportNotificationEnabledHandler);
+    frameScript.addMessageListener("data-transport-notification-enabled", function dataTransportNotificationEnabledHandler() {
+      frameScript.removeMessageListener("data-transport-notification-enabled", dataTransportNotificationEnabledHandler);
       info("Data notification is enabled for data transport channel.");
     });
 
@@ -134,8 +134,8 @@ function testSend() {
   return new Promise(function(aResolve, aReject) {
     const outgoingMessage = "test outgoing message";
 
-    frameScript.addMessageListener('message-sent', function messageSentHandler(aMessage) {
-      frameScript.removeMessageListener('message-sent', messageSentHandler);
+    frameScript.addMessageListener("message-sent", function messageSentHandler(aMessage) {
+      frameScript.removeMessageListener("message-sent", messageSentHandler);
       is(aMessage, outgoingMessage, "The message is sent out.");
       aResolve();
     });
@@ -148,19 +148,19 @@ function testIncomingMessage() {
   return new Promise(function(aResolve, aReject) {
     const incomingMessage = "test incoming message";
 
-    connection.addEventListener('message', function(aEvent) {
+    connection.addEventListener("message", function(aEvent) {
       is(aEvent.data, incomingMessage, "An incoming message should be received.");
       aResolve();
     }, {once: true});
 
-    frameScript.sendAsyncMessage('trigger-incoming-message', incomingMessage);
+    frameScript.sendAsyncMessage("trigger-incoming-message", incomingMessage);
   });
 }
 
 function testCloseConnection() {
   return new Promise(function(aResolve, aReject) {
-    frameScript.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-      frameScript.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+    frameScript.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+      frameScript.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
       info("The data transport is closed. " + aReason);
     });
 
@@ -176,31 +176,31 @@ function testCloseConnection() {
 
 function testReconnect() {
   return new Promise(function(aResolve, aReject) {
-    info('--- testReconnect ---');
-    gScript.addMessageListener('control-channel-established', function controlChannelEstablished() {
-      gScript.removeMessageListener('control-channel-established', controlChannelEstablished);
+    info("--- testReconnect ---");
+    gScript.addMessageListener("control-channel-established", function controlChannelEstablished() {
+      gScript.removeMessageListener("control-channel-established", controlChannelEstablished);
       gScript.sendAsyncMessage("trigger-control-channel-open");
     });
 
-    gScript.addMessageListener('start-reconnect', function startReconnectHandler(url) {
-      gScript.removeMessageListener('start-reconnect', startReconnectHandler);
-      is(url, "http://example.com/", "URLs should be the same.")
-      gScript.sendAsyncMessage('trigger-reconnected-acked', url);
+    gScript.addMessageListener("start-reconnect", function startReconnectHandler(url) {
+      gScript.removeMessageListener("start-reconnect", startReconnectHandler);
+      is(url, "http://example.com/", "URLs should be the same.");
+      gScript.sendAsyncMessage("trigger-reconnected-acked", url);
     });
 
-    gScript.addMessageListener('offer-sent', function offerSentHandler(aIsValid) {
-      gScript.removeMessageListener('offer-sent', offerSentHandler);
+    gScript.addMessageListener("offer-sent", function offerSentHandler(aIsValid) {
+      gScript.removeMessageListener("offer-sent", offerSentHandler);
       ok(aIsValid, "A valid offer is sent out.");
-      gScript.sendAsyncMessage('trigger-incoming-answer');
+      gScript.sendAsyncMessage("trigger-incoming-answer");
     });
 
-    gScript.addMessageListener('answer-received', function answerReceivedHandler() {
-      gScript.removeMessageListener('answer-received', answerReceivedHandler);
+    gScript.addMessageListener("answer-received", function answerReceivedHandler() {
+      gScript.removeMessageListener("answer-received", answerReceivedHandler);
       info("An answer is received.");
     });
 
-    frameScript.addMessageListener('check-navigator', function checknavigatorHandler(aSuccess) {
-      frameScript.removeMessageListener('check-navigator', checknavigatorHandler);
+    frameScript.addMessageListener("check-navigator", function checknavigatorHandler(aSuccess) {
+      frameScript.removeMessageListener("check-navigator", checknavigatorHandler);
       ok(aSuccess, "buildDataChannel get correct window object");
     });
 
@@ -227,14 +227,14 @@ function testReconnect() {
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
-    info('teardown-complete');
+    info("teardown-complete");
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function testConstructRequestError() {
@@ -252,8 +252,7 @@ function testConstructRequestError() {
     new Promise(function(aResolve, aReject) {
       try {
         request = new PresentationRequest([]);
-      }
-      catch(e) {
+      } catch (e) {
         is(e.name, "NotSupportedError", "Expect to get NotSupportedError.");
         aResolve();
       }
@@ -277,9 +276,9 @@ function runTests() {
 
 SimpleTest.waitForExplicitFinish();
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
 ], function() {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", true],
                                       ["dom.presentation.session_transport.data_channel.enable", true]]},
                             runTests);
diff --git a/dom/presentation/tests/mochitest/test_presentation_fingerprinting_resistance.html b/dom/presentation/tests/mochitest/test_presentation_fingerprinting_resistance.html
index 1d19a74a25f5..e2f336a992a8 100644
--- a/dom/presentation/tests/mochitest/test_presentation_fingerprinting_resistance.html
+++ b/dom/presentation/tests/mochitest/test_presentation_fingerprinting_resistance.html
@@ -4,8 +4,8 @@
 <script>
 /* global SimpleTest SpecialPowers */
 
-const gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript1UA.js'));
-const kReceiverFile = 'file_presentation_fingerprinting_resistance_receiver.html';
+const gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript1UA.js"));
+const kReceiverFile = "file_presentation_fingerprinting_resistance_receiver.html";
 const kReceiverUrl = SimpleTest.getTestFileURL(kReceiverFile);
 
 let runTests = async () => {
@@ -21,60 +21,60 @@ let runTests = async () => {
 let setup = async () => {
   await SpecialPowers.pushPrefEnv({
     set: [
-      ['dom.presentation.enabled', true],
-      ['dom.presentation.controller.enabled', true],
-      ['dom.presentation.receiver.enabled', true],
-      ['dom.presentation.test.enabled', true],
-      ['dom.presentation.test.stage', 0],
-      ['dom.mozBrowserFramesEnabled', true],
-      ['network.disable.ipc.security', true]
+      ["dom.presentation.enabled", true],
+      ["dom.presentation.controller.enabled", true],
+      ["dom.presentation.receiver.enabled", true],
+      ["dom.presentation.test.enabled", true],
+      ["dom.presentation.test.stage", 0],
+      ["dom.mozBrowserFramesEnabled", true],
+      ["network.disable.ipc.security", true]
     ]
   });
 
-  gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-    gScript.removeMessageListener('device-prompt', devicePromptHandler);
-    gScript.sendAsyncMessage('trigger-device-prompt-select');
+  gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+    gScript.removeMessageListener("device-prompt", devicePromptHandler);
+    gScript.sendAsyncMessage("trigger-device-prompt-select");
   });
 
-  gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-    gScript.removeMessageListener('control-channel-established', controlChannelEstablishedHandler);
-    gScript.sendAsyncMessage('trigger-control-channel-open');
+  gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+    gScript.removeMessageListener("control-channel-established", controlChannelEstablishedHandler);
+    gScript.sendAsyncMessage("trigger-control-channel-open");
   });
 
-  gScript.addMessageListener('promise-setup-ready', function promiseSetupReadyHandler() {
-    gScript.removeMessageListener('promise-setup-ready', promiseSetupReadyHandler);
-    gScript.sendAsyncMessage('trigger-on-session-request', kReceiverUrl);
+  gScript.addMessageListener("promise-setup-ready", function promiseSetupReadyHandler() {
+    gScript.removeMessageListener("promise-setup-ready", promiseSetupReadyHandler);
+    gScript.sendAsyncMessage("trigger-on-session-request", kReceiverUrl);
   });
 };
 
 let createRequest = () => new Promise((resolve, reject) => {
   let request = new PresentationRequest(kReceiverFile);
   request.getAvailability().then((availability) => {
-    SimpleTest.ok(availability, 'PresentationRequest.getAvailability');
+    SimpleTest.ok(availability, "PresentationRequest.getAvailability");
     availability.onchange = () => {
       availability.onchange = null;
       resolve(request);
     };
-    gScript.sendAsyncMessage('trigger-device-add');
+    gScript.sendAsyncMessage("trigger-device-add");
   }).catch((error) => {
-    SimpleTest.ok(false, 'PresentationRequest.getAvailability: ' + error);
+    SimpleTest.ok(false, "PresentationRequest.getAvailability: " + error);
     teardown();
     reject(error);
   });
 });
 
 let testRequestAndReceiver = (request) => new Promise((resolve, reject) => {
-  gScript.addMessageListener('sender-launch', function senderLaunchHandler(url) {
+  gScript.addMessageListener("sender-launch", function senderLaunchHandler(url) {
     // SimpleTest.is(url, kReceiverUrl, 'sender-launch');
-    gScript.removeMessageListener('sender-launch', senderLaunchHandler);
+    gScript.removeMessageListener("sender-launch", senderLaunchHandler);
 
-    let iframe = document.createElement('iframe');
-    iframe.setAttribute('src', kReceiverUrl);
-    iframe.setAttribute('mozbrowser', 'true');
-    iframe.setAttribute('mozpresentation', kReceiverUrl);
-    iframe.setAttribute('remote', 'false');
-    iframe.addEventListener('mozbrowsershowmodalprompt', (event) => {
-      SimpleTest.is(event.detail.message, 'true', 'navigator.presentation.receiver');
+    let iframe = document.createElement("iframe");
+    iframe.setAttribute("src", kReceiverUrl);
+    iframe.setAttribute("mozbrowser", "true");
+    iframe.setAttribute("mozpresentation", kReceiverUrl);
+    iframe.setAttribute("remote", "false");
+    iframe.addEventListener("mozbrowsershowmodalprompt", (event) => {
+      SimpleTest.is(event.detail.message, "true", "navigator.presentation.receiver");
       resolve(iframe);
     }, {once: true});
 
@@ -84,21 +84,21 @@ let testRequestAndReceiver = (request) => new Promise((resolve, reject) => {
     });
 
     let obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"].getService(SpecialPowers.Ci.nsIObserverService);
-    obs.notifyObservers(promise, 'setup-request-promise');
+    obs.notifyObservers(promise, "setup-request-promise");
   });
 
   request.start().then((connection) => {
-    SimpleTest.ok(connection, 'PresentationRequest.start');
+    SimpleTest.ok(connection, "PresentationRequest.start");
   }).catch((error) => {
-    SimpleTest.ok(false, 'PresentationRequest.start: ' + error);
+    SimpleTest.ok(false, "PresentationRequest.start: " + error);
     teardown();
     reject(error);
   });
 });
 
 let enableResistFingerprinting = () => {
-  const kPref = 'privacy.resistFingerprinting';
-  SimpleTest.info(kPref + ' = true');
+  const kPref = "privacy.resistFingerprinting";
+  SimpleTest.info(kPref + " = true");
   return SpecialPowers.pushPrefEnv({
     set: [
       [kPref, true]
@@ -108,38 +108,38 @@ let enableResistFingerprinting = () => {
 
 let testRequestResistFingerprinting = (request) => {
   return request.getAvailability()
-      .then(() => SimpleTest.ok(false, 'PresentationRequest.getAvailability'))
-      .catch((error) => SimpleTest.is(error.name, 'SecurityError', 'PresentationRequest.getAvailability'))
+      .then(() => SimpleTest.ok(false, "PresentationRequest.getAvailability"))
+      .catch((error) => SimpleTest.is(error.name, "SecurityError", "PresentationRequest.getAvailability"))
       .then(() => request.start())
-      .then(() => SimpleTest.ok(false, 'PresentationRequest.start'))
-      .catch((error) => SimpleTest.is(error.name, 'SecurityError', 'PresentationRequest.start'))
+      .then(() => SimpleTest.ok(false, "PresentationRequest.start"))
+      .catch((error) => SimpleTest.is(error.name, "SecurityError", "PresentationRequest.start"))
       .then(() => request.reconnect(kReceiverUrl))
-      .then(() => SimpleTest.ok(false, 'PresentationRequest.reconnect'))
-      .catch((error) => SimpleTest.is(error.name, 'SecurityError', 'PresentationRequest.reconnect'));
+      .then(() => SimpleTest.ok(false, "PresentationRequest.reconnect"))
+      .catch((error) => SimpleTest.is(error.name, "SecurityError", "PresentationRequest.reconnect"));
 };
 
 let testReceiverResistFingerprinting = (iframe) => new Promise((resolve) => {
-  iframe.addEventListener('mozbrowsershowmodalprompt', (event) => {
-    SimpleTest.is(event.detail.message, 'false', 'navigator.presentation.receiver');
+  iframe.addEventListener("mozbrowsershowmodalprompt", (event) => {
+    SimpleTest.is(event.detail.message, "false", "navigator.presentation.receiver");
     resolve();
   }, {once: true});
-  iframe.setAttribute('src', kReceiverUrl + '#privacy.resistFingerprinting');
+  iframe.setAttribute("src", kReceiverUrl + "#privacy.resistFingerprinting");
 });
 
 let teardown = () => {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 };
 
 SimpleTest.waitForExplicitFinish();
-document.addEventListener('DOMContentLoaded', () => {
+document.addEventListener("DOMContentLoaded", () => {
   SpecialPowers.pushPermissions([
-    {type: 'presentation-device-manage', allow: false, context: document},
-    {type: 'browser', allow: true, context: document},
+    {type: "presentation-device-manage", allow: false, context: document},
+    {type: "browser", allow: true, context: document},
   ], runTests);
 });
 </script>
diff --git a/dom/presentation/tests/mochitest/test_presentation_mixed_security_contexts.html b/dom/presentation/tests/mochitest/test_presentation_mixed_security_contexts.html
index 834001fbc18a..2ace5c8b762f 100644
--- a/dom/presentation/tests/mochitest/test_presentation_mixed_security_contexts.html
+++ b/dom/presentation/tests/mochitest/test_presentation_mixed_security_contexts.html
@@ -42,7 +42,7 @@ function setup() {
           startTest();
         }
       } else if (/^DONE$/.exec(message)) {
-        window.removeEventListener('message', listener);
+        window.removeEventListener("message", listener);
         SimpleTest.finish();
       }
     }, false);
diff --git a/dom/presentation/tests/mochitest/test_presentation_receiver_auxiliary_navigation.js b/dom/presentation/tests/mochitest/test_presentation_receiver_auxiliary_navigation.js
index 791d71de700f..aafd97491162 100644
--- a/dom/presentation/tests/mochitest/test_presentation_receiver_auxiliary_navigation.js
+++ b/dom/presentation/tests/mochitest/test_presentation_receiver_auxiliary_navigation.js
@@ -13,7 +13,7 @@ function setup() {
     var iframe = document.createElement("iframe");
     iframe.setAttribute("mozbrowser", "true");
     iframe.setAttribute("mozpresentation", receiverUrl);
-    var oop = !location.pathname.includes('_inproc');
+    var oop = !location.pathname.includes("_inproc");
     iframe.setAttribute("remote", oop);
     iframe.setAttribute("src", receiverUrl);
 
diff --git a/dom/presentation/tests/mochitest/test_presentation_reconnect.html b/dom/presentation/tests/mochitest/test_presentation_reconnect.html
index d12b998f1e35..89a3f5467109 100644
--- a/dom/presentation/tests/mochitest/test_presentation_reconnect.html
+++ b/dom/presentation/tests/mochitest/test_presentation_reconnect.html
@@ -14,10 +14,10 @@
 <iframe id="iframe" src="file_presentation_reconnect.html"></iframe>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
 var iframe = document.getElementById("iframe");
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
 var frameScript = SpecialPowers.isMainProcess() ? gScript : contentScript;
 var request;
 var connection;
@@ -39,7 +39,7 @@ function testSetup() {
           commandHandler[command.name](command);
         }
       } else if (/^DONE$/.exec(message)) {
-        window.removeEventListener('message', listener);
+        window.removeEventListener("message", listener);
         SimpleTest.finish();
       }
     }, false);
@@ -53,9 +53,9 @@ function testSetup() {
           aAvailability.onchange = null;
           ok(aAvailability.value, "Device should be available.");
           aResolve();
-        }
+        };
 
-        gScript.sendAsyncMessage('trigger-device-add');
+        gScript.sendAsyncMessage("trigger-device-add");
       },
       function(aError) {
         ok(false, "Error occurred when getting availability: " + aError);
@@ -68,42 +68,42 @@ function testSetup() {
 
 function testStartConnection() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('device-prompt', function devicePromptHandler() {
+    gScript.addMessageListener("device-prompt", function devicePromptHandler() {
       info("Device prompt is triggered.");
-      gScript.sendAsyncMessage('trigger-device-prompt-select');
+      gScript.sendAsyncMessage("trigger-device-prompt-select");
     });
 
-    gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
+    gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
       info("A control channel is established.");
-      gScript.sendAsyncMessage('trigger-control-channel-open');
+      gScript.sendAsyncMessage("trigger-control-channel-open");
     });
 
-    gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler(aReason) {
+    gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler(aReason) {
       info("The control channel is opened.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
       info("The control channel is closed. " + aReason);
     });
 
-    frameScript.addMessageListener('check-navigator', function checknavigatorHandler(aSuccess) {
+    frameScript.addMessageListener("check-navigator", function checknavigatorHandler(aSuccess) {
       ok(aSuccess, "buildDataChannel get correct window object");
     });
 
-    gScript.addMessageListener('offer-sent', function offerSentHandler(aIsValid) {
+    gScript.addMessageListener("offer-sent", function offerSentHandler(aIsValid) {
       ok(aIsValid, "A valid offer is sent out.");
-      gScript.sendAsyncMessage('trigger-incoming-answer');
+      gScript.sendAsyncMessage("trigger-incoming-answer");
     });
 
-    gScript.addMessageListener('answer-received', function answerReceivedHandler() {
+    gScript.addMessageListener("answer-received", function answerReceivedHandler() {
       info("An answer is received.");
     });
 
-    frameScript.addMessageListener('data-transport-initialized', function dataTransportInitializedHandler() {
+    frameScript.addMessageListener("data-transport-initialized", function dataTransportInitializedHandler() {
       info("Data transport channel is initialized.");
     });
 
-    frameScript.addMessageListener('data-transport-notification-enabled', function dataTransportNotificationEnabledHandler() {
+    frameScript.addMessageListener("data-transport-notification-enabled", function dataTransportNotificationEnabledHandler() {
       info("Data notification is enabled for data transport channel.");
     });
 
@@ -145,8 +145,8 @@ function testStartConnection() {
 
 function testCloseConnection() {
   return new Promise(function(aResolve, aReject) {
-    frameScript.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-      frameScript.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+    frameScript.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+      frameScript.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
       info("The data transport is closed. " + aReason);
     });
 
@@ -162,7 +162,7 @@ function testCloseConnection() {
 
 function testReconnectAConnectedConnection() {
   return new Promise(function(aResolve, aReject) {
-    info('--- testReconnectAConnectedConnection ---');
+    info("--- testReconnectAConnectedConnection ---");
     ok(connection.state, "connected", "Make sure the state is connected.");
 
     request.reconnect(connection.id).then(
@@ -185,7 +185,7 @@ function testReconnectAConnectedConnection() {
 
 function testReconnectInvalidID() {
   return new Promise(function(aResolve, aReject) {
-    info('--- testReconnectInvalidID ---');
+    info("--- testReconnectInvalidID ---");
 
     request.reconnect("dummyID").then(
       function(aConnection) {
@@ -203,7 +203,7 @@ function testReconnectInvalidID() {
 
 function testReconnectInvalidURL() {
   return new Promise(function(aResolve, aReject) {
-    info('--- testReconnectInvalidURL ---');
+    info("--- testReconnectInvalidURL ---");
 
     var request1 = new PresentationRequest("http://invalidURL");
     request1.reconnect(connection.id).then(
@@ -221,14 +221,14 @@ function testReconnectInvalidURL() {
 }
 
 function testReconnectIframeConnectedConnection() {
-  info('--- testReconnectIframeConnectedConnection ---');
-  gScript.sendAsyncMessage('save-control-channel-listener');
+  info("--- testReconnectIframeConnectedConnection ---");
+  gScript.sendAsyncMessage("save-control-channel-listener");
   return Promise.all([
     new Promise(function(aResolve, aReject) {
       commandHandler["connection-connected"] = function(command) {
-      gScript.addMessageListener('start-reconnect', function startReconnectHandler(url) {
-        gScript.removeMessageListener('start-reconnect', startReconnectHandler);
-        gScript.sendAsyncMessage('trigger-reconnected-acked', url);
+      gScript.addMessageListener("start-reconnect", function startReconnectHandler(url) {
+        gScript.removeMessageListener("start-reconnect", startReconnectHandler);
+        gScript.sendAsyncMessage("trigger-reconnected-acked", url);
       });
 
       var request1 = new PresentationRequest("http://example1.com");
@@ -237,7 +237,7 @@ function testReconnectIframeConnectedConnection() {
             is(aConnection.state, "connecting", "The state should be connecting.");
             aConnection.onclose = function() {
               delete commandHandler["connection-connected"];
-              gScript.sendAsyncMessage('restore-control-channel-listener');
+              gScript.sendAsyncMessage("restore-control-channel-listener");
               aResolve();
             };
             aConnection.close();
@@ -262,12 +262,12 @@ function testReconnectIframeConnectedConnection() {
 
 function testReconnectIframeClosedConnection() {
   return new Promise(function(aResolve, aReject) {
-    info('--- testReconnectIframeClosedConnection ---');
-    gScript.sendAsyncMessage('save-control-channel-listener');
+    info("--- testReconnectIframeClosedConnection ---");
+    gScript.sendAsyncMessage("save-control-channel-listener");
     commandHandler["connection-closed"] = function(command) {
-      gScript.addMessageListener('start-reconnect', function startReconnectHandler(url) {
-        gScript.removeMessageListener('start-reconnect', startReconnectHandler);
-        gScript.sendAsyncMessage('trigger-reconnected-acked', url);
+      gScript.addMessageListener("start-reconnect", function startReconnectHandler(url) {
+        gScript.removeMessageListener("start-reconnect", startReconnectHandler);
+        gScript.sendAsyncMessage("trigger-reconnected-acked", url);
       });
 
       var request1 = new PresentationRequest("http://example1.com");
@@ -283,7 +283,7 @@ function testReconnectIframeClosedConnection() {
               aResolve();
             };
             aConnection.close();
-            gScript.sendAsyncMessage('restore-control-channel-listener');
+            gScript.sendAsyncMessage("restore-control-channel-listener");
           };
         },
         function(aError) {
@@ -299,11 +299,11 @@ function testReconnectIframeClosedConnection() {
 
 function testReconnect() {
   return new Promise(function(aResolve, aReject) {
-    info('--- testReconnect ---');
-    gScript.addMessageListener('start-reconnect', function startReconnectHandler(url) {
-      gScript.removeMessageListener('start-reconnect', startReconnectHandler);
+    info("--- testReconnect ---");
+    gScript.addMessageListener("start-reconnect", function startReconnectHandler(url) {
+      gScript.removeMessageListener("start-reconnect", startReconnectHandler);
       is(url, "http://example.com/", "URLs should be the same.");
-      gScript.sendAsyncMessage('trigger-reconnected-acked', url);
+      gScript.sendAsyncMessage("trigger-reconnected-acked", url);
     });
 
     request.reconnect(connection.id).then(
@@ -318,12 +318,12 @@ function testReconnect() {
           is(aConnection.state, "connected", "Connection should be connected.");
 
           const incomingMessage = "test incoming message";
-          aConnection.addEventListener('message', function(aEvent) {
+          aConnection.addEventListener("message", function(aEvent) {
             is(aEvent.data, incomingMessage, "An incoming message should be received.");
             aResolve();
           }, {once: true});
 
-          frameScript.sendAsyncMessage('trigger-incoming-message', incomingMessage);
+          frameScript.sendAsyncMessage("trigger-incoming-message", incomingMessage);
         };
       },
       function(aError) {
@@ -336,14 +336,14 @@ function testReconnect() {
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
-    info('teardown-complete');
+    info("teardown-complete");
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -364,9 +364,9 @@ function runTests() {
 
 SimpleTest.waitForExplicitFinish();
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
 ], function() {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", true],
                                       ["dom.presentation.receiver.enabled", true],
                                       ["dom.presentation.session_transport.data_channel.enable", true]]},
diff --git a/dom/presentation/tests/mochitest/test_presentation_sandboxed_presentation.html b/dom/presentation/tests/mochitest/test_presentation_sandboxed_presentation.html
index ff406dce0be9..3f4ef339d171 100644
--- a/dom/presentation/tests/mochitest/test_presentation_sandboxed_presentation.html
+++ b/dom/presentation/tests/mochitest/test_presentation_sandboxed_presentation.html
@@ -35,7 +35,7 @@ function setup() {
           startTest();
         }
       } else if (/^DONE$/.exec(message)) {
-        window.removeEventListener('message', listener);
+        window.removeEventListener("message", listener);
         SimpleTest.finish();
       }
     }, false);
diff --git a/dom/presentation/tests/mochitest/test_presentation_sender_on_terminate_request.html b/dom/presentation/tests/mochitest/test_presentation_sender_on_terminate_request.html
index 577e78cd65d4..3cfe0291a8c9 100644
--- a/dom/presentation/tests/mochitest/test_presentation_sender_on_terminate_request.html
+++ b/dom/presentation/tests/mochitest/test_presentation_sender_on_terminate_request.html
@@ -12,9 +12,9 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1276378">Test onTerminateRequest at sender side</a>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
 var request;
 var connection;
 
@@ -29,9 +29,9 @@ function testSetup() {
           aAvailability.onchange = null;
           ok(aAvailability.value, "Device should be available.");
           aResolve();
-        }
+        };
 
-        gScript.sendAsyncMessage('trigger-device-add');
+        gScript.sendAsyncMessage("trigger-device-add");
       },
       function(aError) {
         ok(false, "Error occurred when getting availability: " + aError);
@@ -44,47 +44,47 @@ function testSetup() {
 
 function testStartConnection() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-      gScript.removeMessageListener('device-prompt', devicePromptHandler);
+    gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+      gScript.removeMessageListener("device-prompt", devicePromptHandler);
       info("Device prompt is triggered.");
-      gScript.sendAsyncMessage('trigger-device-prompt-select');
+      gScript.sendAsyncMessage("trigger-device-prompt-select");
     });
 
-    gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-      gScript.removeMessageListener('control-channel-established', controlChannelEstablishedHandler);
+    gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+      gScript.removeMessageListener("control-channel-established", controlChannelEstablishedHandler);
       info("A control channel is established.");
-      gScript.sendAsyncMessage('trigger-control-channel-open');
+      gScript.sendAsyncMessage("trigger-control-channel-open");
     });
 
-    gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-opened', controlChannelOpenedHandler);
+    gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-opened", controlChannelOpenedHandler);
       info("The control channel is opened.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       info("The control channel is closed. " + aReason);
     });
 
-    gScript.addMessageListener('offer-sent', function offerSentHandler(aIsValid) {
-      gScript.removeMessageListener('offer-sent', offerSentHandler);
+    gScript.addMessageListener("offer-sent", function offerSentHandler(aIsValid) {
+      gScript.removeMessageListener("offer-sent", offerSentHandler);
       ok(aIsValid, "A valid offer is sent out.");
-      gScript.sendAsyncMessage('trigger-incoming-transport');
+      gScript.sendAsyncMessage("trigger-incoming-transport");
     });
 
-    gScript.addMessageListener('answer-received', function answerReceivedHandler() {
-      gScript.removeMessageListener('answer-received', answerReceivedHandler);
+    gScript.addMessageListener("answer-received", function answerReceivedHandler() {
+      gScript.removeMessageListener("answer-received", answerReceivedHandler);
       info("An answer is received.");
     });
 
-    gScript.addMessageListener('data-transport-initialized', function dataTransportInitializedHandler() {
-      gScript.removeMessageListener('data-transport-initialized', dataTransportInitializedHandler);
+    gScript.addMessageListener("data-transport-initialized", function dataTransportInitializedHandler() {
+      gScript.removeMessageListener("data-transport-initialized", dataTransportInitializedHandler);
       info("Data transport channel is initialized.");
-      gScript.sendAsyncMessage('trigger-incoming-answer');
+      gScript.sendAsyncMessage("trigger-incoming-answer");
     });
 
-    gScript.addMessageListener('data-transport-notification-enabled', function dataTransportNotificationEnabledHandler() {
-      gScript.removeMessageListener('data-transport-notification-enabled', dataTransportNotificationEnabledHandler);
+    gScript.addMessageListener("data-transport-notification-enabled", function dataTransportNotificationEnabledHandler() {
+      gScript.removeMessageListener("data-transport-notification-enabled", dataTransportNotificationEnabledHandler);
       info("Data notification is enabled for data transport channel.");
     });
 
@@ -126,18 +126,18 @@ function testStartConnection() {
 
 function testOnTerminateRequest() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-opened', controlChannelOpenedHandler);
+    gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-opened", controlChannelOpenedHandler);
       info("The control channel is opened.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       info("The control channel is closed. " + aReason);
     });
 
-    gScript.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-      gScript.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+    gScript.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+      gScript.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
       info("The data transport is closed. " + aReason);
     });
 
@@ -147,19 +147,19 @@ function testOnTerminateRequest() {
       aResolve();
     };
 
-    gScript.sendAsyncMessage('trigger-incoming-terminate-request');
-    gScript.sendAsyncMessage('trigger-control-channel-open');
+    gScript.sendAsyncMessage("trigger-incoming-terminate-request");
+    gScript.sendAsyncMessage("trigger-control-channel-open");
   });
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -173,9 +173,9 @@ function runTests() {
 
 SimpleTest.waitForExplicitFinish();
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
 ], function() {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", true],
                                       ["dom.presentation.receiver.enabled", false],
                                       ["dom.presentation.session_transport.data_channel.enable", false]]},
diff --git a/dom/presentation/tests/mochitest/test_presentation_sender_startWithDevice.html b/dom/presentation/tests/mochitest/test_presentation_sender_startWithDevice.html
index 8cbbdb504ed5..81f762ba7b29 100644
--- a/dom/presentation/tests/mochitest/test_presentation_sender_startWithDevice.html
+++ b/dom/presentation/tests/mochitest/test_presentation_sender_startWithDevice.html
@@ -12,9 +12,9 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1239242">Test startWithDevice for B2G Presentation API at sender side</a>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
 var request;
 var connection;
 
@@ -29,9 +29,9 @@ function testSetup() {
           aAvailability.onchange = null;
           ok(aAvailability.value, "Device should be available.");
           aResolve();
-        }
+        };
 
-        gScript.sendAsyncMessage('trigger-device-add');
+        gScript.sendAsyncMessage("trigger-device-add");
       },
       function(aError) {
         ok(false, "Error occurred when getting availability: " + aError);
@@ -44,48 +44,48 @@ function testSetup() {
 
 function testStartConnectionWithDevice() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-      gScript.removeMessageListener('device-prompt', devicePromptHandler);
+    gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+      gScript.removeMessageListener("device-prompt", devicePromptHandler);
       ok(false, "Device prompt should not be triggered.");
       teardown();
       aReject();
     });
 
-    gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-      gScript.removeMessageListener('control-channel-established', controlChannelEstablishedHandler);
+    gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+      gScript.removeMessageListener("control-channel-established", controlChannelEstablishedHandler);
       info("A control channel is established.");
-      gScript.sendAsyncMessage('trigger-control-channel-open');
+      gScript.sendAsyncMessage("trigger-control-channel-open");
     });
 
-    gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-opened', controlChannelOpenedHandler);
+    gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-opened", controlChannelOpenedHandler);
       info("The control channel is opened.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       info("The control channel is closed. " + aReason);
     });
 
-    gScript.addMessageListener('offer-sent', function offerSentHandler(aIsValid) {
-      gScript.removeMessageListener('offer-sent', offerSentHandler);
+    gScript.addMessageListener("offer-sent", function offerSentHandler(aIsValid) {
+      gScript.removeMessageListener("offer-sent", offerSentHandler);
       ok(aIsValid, "A valid offer is sent out.");
-      gScript.sendAsyncMessage('trigger-incoming-transport');
+      gScript.sendAsyncMessage("trigger-incoming-transport");
     });
 
-    gScript.addMessageListener('answer-received', function answerReceivedHandler() {
-      gScript.removeMessageListener('answer-received', answerReceivedHandler);
+    gScript.addMessageListener("answer-received", function answerReceivedHandler() {
+      gScript.removeMessageListener("answer-received", answerReceivedHandler);
       info("An answer is received.");
     });
 
-    gScript.addMessageListener('data-transport-initialized', function dataTransportInitializedHandler() {
-      gScript.removeMessageListener('data-transport-initialized', dataTransportInitializedHandler);
+    gScript.addMessageListener("data-transport-initialized", function dataTransportInitializedHandler() {
+      gScript.removeMessageListener("data-transport-initialized", dataTransportInitializedHandler);
       info("Data transport channel is initialized.");
-      gScript.sendAsyncMessage('trigger-incoming-answer');
+      gScript.sendAsyncMessage("trigger-incoming-answer");
     });
 
-    gScript.addMessageListener('data-transport-notification-enabled', function dataTransportNotificationEnabledHandler() {
-      gScript.removeMessageListener('data-transport-notification-enabled', dataTransportNotificationEnabledHandler);
+    gScript.addMessageListener("data-transport-notification-enabled", function dataTransportNotificationEnabledHandler() {
+      gScript.removeMessageListener("data-transport-notification-enabled", dataTransportNotificationEnabledHandler);
       info("Data notification is enabled for data transport channel.");
     });
 
@@ -100,7 +100,7 @@ function testStartConnectionWithDevice() {
       }
     };
 
-    request.startWithDevice('id').then(
+    request.startWithDevice("id").then(
       function(aConnection) {
         connection = aConnection;
         ok(connection, "Connection should be available.");
@@ -127,14 +127,14 @@ function testStartConnectionWithDevice() {
 
 function testStartConnectionWithDeviceNotFoundError() {
   return new Promise(function(aResolve, aReject) {
-    request.startWithDevice('').then(
+    request.startWithDevice("").then(
       function(aConnection) {
         ok(false, "Should not establish connection to an unknown device");
         teardown();
         aReject();
       },
       function(aError) {
-        is(aError.name, 'NotFoundError', "Expect NotFoundError occurred when establishing a connection");
+        is(aError.name, "NotFoundError", "Expect NotFoundError occurred when establishing a connection");
         aResolve();
       }
     );
@@ -142,13 +142,13 @@ function testStartConnectionWithDeviceNotFoundError() {
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -161,7 +161,7 @@ function runTests() {
 }
 
 SimpleTest.waitForExplicitFinish();
-SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                     ["dom.presentation.session_transport.data_channel.enable", false],
                                     ["dom.presentation.controller.enabled", true],
                                     ["dom.presentation.test.enabled", true],
diff --git a/dom/presentation/tests/mochitest/test_presentation_tcp_receiver.html b/dom/presentation/tests/mochitest/test_presentation_tcp_receiver.html
index 8ee7fcf41704..fb4c91b1b801 100644
--- a/dom/presentation/tests/mochitest/test_presentation_tcp_receiver.html
+++ b/dom/presentation/tests/mochitest/test_presentation_tcp_receiver.html
@@ -15,25 +15,25 @@
 <pre id="test"></pre>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
-var receiverUrl = SimpleTest.getTestFileURL('file_presentation_receiver.html');
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
+var receiverUrl = SimpleTest.getTestFileURL("file_presentation_receiver.html");
 
 var obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
           .getService(SpecialPowers.Ci.nsIObserverService);
 
 function setup() {
   return new Promise(function(aResolve, aReject) {
-    gScript.sendAsyncMessage('trigger-device-add');
+    gScript.sendAsyncMessage("trigger-device-add");
 
-    var iframe = document.createElement('iframe');
-    iframe.setAttribute('mozbrowser', 'true');
-    iframe.setAttribute('mozpresentation', receiverUrl);
-    iframe.setAttribute('src', receiverUrl);
+    var iframe = document.createElement("iframe");
+    iframe.setAttribute("mozbrowser", "true");
+    iframe.setAttribute("mozpresentation", receiverUrl);
+    iframe.setAttribute("src", receiverUrl);
 
     // This event is triggered when the iframe calls "postMessage".
-    iframe.addEventListener('mozbrowsershowmodalprompt', function listener(aEvent) {
+    iframe.addEventListener("mozbrowsershowmodalprompt", function listener(aEvent) {
       var message = aEvent.detail.message;
       if (/^OK /.exec(message)) {
         ok(true, "Message from iframe: " + message);
@@ -42,11 +42,11 @@ function setup() {
       } else if (/^INFO /.exec(message)) {
         info("Message from iframe: " + message);
       } else if (/^COMMAND /.exec(message)) {
-        var command = JSON.parse(message.replace(/^COMMAND /, ''));
+        var command = JSON.parse(message.replace(/^COMMAND /, ""));
         gScript.sendAsyncMessage(command.name, command.data);
       } else if (/^DONE$/.exec(message)) {
         ok(true, "Messaging from iframe complete.");
-        iframe.removeEventListener('mozbrowsershowmodalprompt', listener);
+        iframe.removeEventListener("mozbrowsershowmodalprompt", listener);
 
         teardown();
       }
@@ -57,30 +57,30 @@ function setup() {
 
       aResolve(iframe);
     });
-    obs.notifyObservers(promise, 'setup-request-promise');
+    obs.notifyObservers(promise, "setup-request-promise");
 
-    gScript.addMessageListener('offer-received', function offerReceivedHandler() {
-      gScript.removeMessageListener('offer-received', offerReceivedHandler);
+    gScript.addMessageListener("offer-received", function offerReceivedHandler() {
+      gScript.removeMessageListener("offer-received", offerReceivedHandler);
       info("An offer is received.");
     });
 
-    gScript.addMessageListener('answer-sent', function answerSentHandler(aIsValid) {
-      gScript.removeMessageListener('answer-sent', answerSentHandler);
+    gScript.addMessageListener("answer-sent", function answerSentHandler(aIsValid) {
+      gScript.removeMessageListener("answer-sent", answerSentHandler);
       ok(aIsValid, "A valid answer is sent.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       is(aReason, SpecialPowers.Cr.NS_OK, "The control channel is closed normally.");
     });
 
-    gScript.addMessageListener('data-transport-notification-enabled', function dataTransportNotificationEnabledHandler() {
-      gScript.removeMessageListener('data-transport-notification-enabled', dataTransportNotificationEnabledHandler);
+    gScript.addMessageListener("data-transport-notification-enabled", function dataTransportNotificationEnabledHandler() {
+      gScript.removeMessageListener("data-transport-notification-enabled", dataTransportNotificationEnabledHandler);
       info("Data notification is enabled for data transport channel.");
     });
 
-    gScript.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-      gScript.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+    gScript.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+      gScript.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
       is(aReason, SpecialPowers.Cr.NS_OK, "The data transport should be closed normally.");
     });
 
@@ -90,8 +90,8 @@ function setup() {
 
 function testIncomingSessionRequest() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('receiver-launching', function launchReceiverHandler(aSessionId) {
-      gScript.removeMessageListener('receiver-launching', launchReceiverHandler);
+    gScript.addMessageListener("receiver-launching", function launchReceiverHandler(aSessionId) {
+      gScript.removeMessageListener("receiver-launching", launchReceiverHandler);
       info("Trying to launch receiver page.");
 
       ok(navigator.presentation, "navigator.presentation should be available in in-process pages.");
@@ -99,18 +99,18 @@ function testIncomingSessionRequest() {
       aResolve();
     });
 
-    gScript.sendAsyncMessage('trigger-incoming-session-request', receiverUrl);
+    gScript.sendAsyncMessage("trigger-incoming-session-request", receiverUrl);
   });
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -120,10 +120,10 @@ function runTests() {
 
 SimpleTest.waitForExplicitFinish();
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
-  {type: 'browser', allow: true, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
+  {type: "browser", allow: true, context: document},
 ], function() {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", false],
                                       ["dom.presentation.receiver.enabled", true],
                                       ["dom.mozBrowserFramesEnabled", true],
diff --git a/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_establish_connection_error.html b/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_establish_connection_error.html
index 72489fb22951..6987c0db0ce0 100644
--- a/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_establish_connection_error.html
+++ b/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_establish_connection_error.html
@@ -12,20 +12,20 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1069230">Test for connection establishing errors of B2G Presentation API at receiver side</a>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
-var receiverUrl = SimpleTest.getTestFileURL('file_presentation_receiver_establish_connection_error.html');
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
+var receiverUrl = SimpleTest.getTestFileURL("file_presentation_receiver_establish_connection_error.html");
 
 var obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
           .getService(SpecialPowers.Ci.nsIObserverService);
 
 function setup() {
   return new Promise(function(aResolve, aReject) {
-    gScript.sendAsyncMessage('trigger-device-add');
+    gScript.sendAsyncMessage("trigger-device-add");
 
-    var iframe = document.createElement('iframe');
-    iframe.setAttribute('src', receiverUrl);
+    var iframe = document.createElement("iframe");
+    iframe.setAttribute("src", receiverUrl);
     iframe.setAttribute("mozbrowser", "true");
     iframe.setAttribute("mozpresentation", receiverUrl);
 
@@ -53,10 +53,10 @@ function setup() {
 
       aResolve(iframe);
     });
-    obs.notifyObservers(promise, 'setup-request-promise');
+    obs.notifyObservers(promise, "setup-request-promise");
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       is(aReason, 0x80004004 /* NS_ERROR_ABORT */, "The control channel is closed abnormally.");
     });
 
@@ -66,25 +66,25 @@ function setup() {
 
 function testIncomingSessionRequest() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('receiver-launching', function launchReceiverHandler(aSessionId) {
-      gScript.removeMessageListener('receiver-launching', launchReceiverHandler);
+    gScript.addMessageListener("receiver-launching", function launchReceiverHandler(aSessionId) {
+      gScript.removeMessageListener("receiver-launching", launchReceiverHandler);
       info("Trying to launch receiver page.");
 
       aResolve();
     });
 
-    gScript.sendAsyncMessage('trigger-incoming-session-request', receiverUrl);
+    gScript.sendAsyncMessage("trigger-incoming-session-request", receiverUrl);
   });
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -94,10 +94,10 @@ function runTests() {
 
 SimpleTest.waitForExplicitFinish();
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
   {type: "browser", allow: true, context: document},
 ], function() {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.receiver.enabled", true],
                                       ["dom.presentation.session_transport.data_channel.enable", false],
                                       ["dom.mozBrowserFramesEnabled", true],
diff --git a/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_establish_connection_timeout.html b/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_establish_connection_timeout.html
index 38e4ce5154d5..3d5677eb1883 100644
--- a/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_establish_connection_timeout.html
+++ b/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_establish_connection_timeout.html
@@ -12,21 +12,21 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1069230">Test for connection establishing timeout of B2G Presentation API at receiver side</a>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
 
 var obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
           .getService(SpecialPowers.Ci.nsIObserverService);
 
 function setup() {
   return new Promise(function(aResolve, aReject) {
-    gScript.sendAsyncMessage('trigger-device-add');
+    gScript.sendAsyncMessage("trigger-device-add");
 
     var promise = new Promise(function(aResolve, aReject) {
       // In order to trigger timeout, do not resolve the promise.
     });
-    obs.notifyObservers(promise, 'setup-request-promise');
+    obs.notifyObservers(promise, "setup-request-promise");
 
     aResolve();
   });
@@ -34,29 +34,29 @@ function setup() {
 
 function testIncomingSessionRequestReceiverLaunchTimeout() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('receiver-launching', function launchReceiverHandler(aSessionId) {
-      gScript.removeMessageListener('receiver-launching', launchReceiverHandler);
+    gScript.addMessageListener("receiver-launching", function launchReceiverHandler(aSessionId) {
+      gScript.removeMessageListener("receiver-launching", launchReceiverHandler);
       info("Trying to launch receiver page.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       is(aReason, 0x80530017 /* NS_ERROR_DOM_TIMEOUT_ERR */, "The control channel is closed due to timeout.");
       aResolve();
     });
 
-    gScript.sendAsyncMessage('trigger-incoming-session-request', 'http://example.com');
+    gScript.sendAsyncMessage("trigger-incoming-session-request", "http://example.com");
   });
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -67,9 +67,9 @@ function runTests() {
 
 SimpleTest.waitForExplicitFinish();
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
 ], function() {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.receiver.enabled", true],
                                       ["dom.presentation.session_transport.data_channel.enable", false],
                                       ["presentation.receiver.loading.timeout", 10]]},
diff --git a/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_establish_connection_unknown_content_type.js b/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_establish_connection_unknown_content_type.js
index 51b80033a6ac..d81dace4ff5f 100644
--- a/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_establish_connection_unknown_content_type.js
+++ b/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_establish_connection_unknown_content_type.js
@@ -1,22 +1,22 @@
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
-var receiverUrl = SimpleTest.getTestFileURL('file_presentation_unknown_content_type.test');
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
+var receiverUrl = SimpleTest.getTestFileURL("file_presentation_unknown_content_type.test");
 
-var obs = SpecialPowers.Cc['@mozilla.org/observer-service;1']
+var obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
           .getService(SpecialPowers.Ci.nsIObserverService);
 
 var receiverIframe;
 
 function setup() {
   return new Promise(function(aResolve, aReject) {
-    gScript.sendAsyncMessage('trigger-device-add');
+    gScript.sendAsyncMessage("trigger-device-add");
 
-    receiverIframe = document.createElement('iframe');
-    receiverIframe.setAttribute('mozbrowser', 'true');
-    receiverIframe.setAttribute('mozpresentation', receiverUrl);
-    receiverIframe.setAttribute('src', receiverUrl);
-    var oop = !location.pathname.includes('_inproc');
+    receiverIframe = document.createElement("iframe");
+    receiverIframe.setAttribute("mozbrowser", "true");
+    receiverIframe.setAttribute("mozpresentation", receiverUrl);
+    receiverIframe.setAttribute("src", receiverUrl);
+    var oop = !location.pathname.includes("_inproc");
     receiverIframe.setAttribute("remote", oop);
 
     var promise = new Promise(function(aResolve, aReject) {
@@ -24,7 +24,7 @@ function setup() {
 
       aResolve(receiverIframe);
     });
-    obs.notifyObservers(promise, 'setup-request-promise');
+    obs.notifyObservers(promise, "setup-request-promise");
 
     aResolve();
   });
@@ -33,37 +33,37 @@ function setup() {
 function testIncomingSessionRequestReceiverLaunchUnknownContentType() {
   let promise = Promise.all([
     new Promise(function(aResolve, aReject) {
-      gScript.addMessageListener('receiver-launching', function launchReceiverHandler(aSessionId) {
-        gScript.removeMessageListener('receiver-launching', launchReceiverHandler);
-        info('Trying to launch receiver page.');
+      gScript.addMessageListener("receiver-launching", function launchReceiverHandler(aSessionId) {
+        gScript.removeMessageListener("receiver-launching", launchReceiverHandler);
+        info("Trying to launch receiver page.");
 
-        receiverIframe.addEventListener('mozbrowserclose', function() {
-          ok(true, 'observe receiver window closed');
+        receiverIframe.addEventListener("mozbrowserclose", function() {
+          ok(true, "observe receiver window closed");
           aResolve();
         });
       });
     }),
     new Promise(function(aResolve, aReject) {
-      gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-        gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
-        is(aReason, 0x80530020 /* NS_ERROR_DOM_OPERATION_ERR */, 'The control channel is closed due to load failure.');
+      gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+        gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
+        is(aReason, 0x80530020 /* NS_ERROR_DOM_OPERATION_ERR */, "The control channel is closed due to load failure.");
         aResolve();
       });
     })
   ]);
 
-  gScript.sendAsyncMessage('trigger-incoming-session-request', receiverUrl);
+  gScript.sendAsyncMessage("trigger-incoming-session-request", receiverUrl);
   return promise;
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -74,15 +74,15 @@ function runTests() {
 
 SimpleTest.waitForExplicitFinish();
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
-  {type: 'browser', allow: true, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
+  {type: "browser", allow: true, context: document},
 ], function() {
-  SpecialPowers.pushPrefEnv({ 'set': [['dom.presentation.enabled', true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", true],
                                       ["dom.presentation.receiver.enabled", true],
-                                      ['dom.presentation.session_transport.data_channel.enable', false],
-                                      ['dom.mozBrowserFramesEnabled', true],
+                                      ["dom.presentation.session_transport.data_channel.enable", false],
+                                      ["dom.mozBrowserFramesEnabled", true],
                                       ["network.disable.ipc.security", true],
-                                      ['dom.ipc.tabs.disabled', false]]},
+                                      ["dom.ipc.tabs.disabled", false]]},
                             runTests);
 });
diff --git a/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_oop.html b/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_oop.html
index 7c30f6b055b4..225120b589ed 100644
--- a/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_oop.html
+++ b/dom/presentation/tests/mochitest/test_presentation_tcp_receiver_oop.html
@@ -15,11 +15,11 @@
 <pre id="test"></pre>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
-var receiverUrl = SimpleTest.getTestFileURL('file_presentation_receiver.html');
-var nonReceiverUrl = SimpleTest.getTestFileURL('file_presentation_non_receiver.html');
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
+var receiverUrl = SimpleTest.getTestFileURL("file_presentation_receiver.html");
+var nonReceiverUrl = SimpleTest.getTestFileURL("file_presentation_non_receiver.html");
 
 var isReceiverFinished = false;
 var isNonReceiverFinished = false;
@@ -29,17 +29,17 @@ var obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
 
 function setup() {
   return new Promise(function(aResolve, aReject) {
-    gScript.sendAsyncMessage('trigger-device-add');
+    gScript.sendAsyncMessage("trigger-device-add");
 
     // Create a receiver OOP iframe.
-    var receiverIframe = document.createElement('iframe');
-    receiverIframe.setAttribute('remote', 'true');
-    receiverIframe.setAttribute('mozbrowser', 'true');
-    receiverIframe.setAttribute('mozpresentation', receiverUrl);
-    receiverIframe.setAttribute('src', receiverUrl);
+    var receiverIframe = document.createElement("iframe");
+    receiverIframe.setAttribute("remote", "true");
+    receiverIframe.setAttribute("mozbrowser", "true");
+    receiverIframe.setAttribute("mozpresentation", receiverUrl);
+    receiverIframe.setAttribute("src", receiverUrl);
 
     // This event is triggered when the iframe calls "alert".
-    receiverIframe.addEventListener('mozbrowsershowmodalprompt', function receiverListener(aEvent) {
+    receiverIframe.addEventListener("mozbrowsershowmodalprompt", function receiverListener(aEvent) {
       var message = aEvent.detail.message;
       if (/^OK /.exec(message)) {
         ok(true, "Message from iframe: " + message);
@@ -48,11 +48,11 @@ function setup() {
       } else if (/^INFO /.exec(message)) {
         info("Message from iframe: " + message);
       } else if (/^COMMAND /.exec(message)) {
-        var command = JSON.parse(message.replace(/^COMMAND /, ''));
+        var command = JSON.parse(message.replace(/^COMMAND /, ""));
         gScript.sendAsyncMessage(command.name, command.data);
       } else if (/^DONE$/.exec(message)) {
         ok(true, "Messaging from iframe complete.");
-        receiverIframe.removeEventListener('mozbrowsershowmodalprompt', receiverListener);
+        receiverIframe.removeEventListener("mozbrowsershowmodalprompt", receiverListener);
 
         isReceiverFinished = true;
 
@@ -67,16 +67,16 @@ function setup() {
 
       aResolve(receiverIframe);
     });
-    obs.notifyObservers(promise, 'setup-request-promise');
+    obs.notifyObservers(promise, "setup-request-promise");
 
     // Create a non-receiver OOP iframe.
-    var nonReceiverIframe = document.createElement('iframe');
-    nonReceiverIframe.setAttribute('remote', 'true');
-    nonReceiverIframe.setAttribute('mozbrowser', 'true');
-    nonReceiverIframe.setAttribute('src', nonReceiverUrl);
+    var nonReceiverIframe = document.createElement("iframe");
+    nonReceiverIframe.setAttribute("remote", "true");
+    nonReceiverIframe.setAttribute("mozbrowser", "true");
+    nonReceiverIframe.setAttribute("src", nonReceiverUrl);
 
     // This event is triggered when the iframe calls "alert".
-    nonReceiverIframe.addEventListener('mozbrowsershowmodalprompt', function nonReceiverListener(aEvent) {
+    nonReceiverIframe.addEventListener("mozbrowsershowmodalprompt", function nonReceiverListener(aEvent) {
       var message = aEvent.detail.message;
       if (/^OK /.exec(message)) {
         ok(true, "Message from iframe: " + message);
@@ -85,11 +85,11 @@ function setup() {
       } else if (/^INFO /.exec(message)) {
         info("Message from iframe: " + message);
       } else if (/^COMMAND /.exec(message)) {
-        var command = JSON.parse(message.replace(/^COMMAND /, ''));
+        var command = JSON.parse(message.replace(/^COMMAND /, ""));
         gScript.sendAsyncMessage(command.name, command.data);
       } else if (/^DONE$/.exec(message)) {
         ok(true, "Messaging from iframe complete.");
-        nonReceiverIframe.removeEventListener('mozbrowsershowmodalprompt', nonReceiverListener);
+        nonReceiverIframe.removeEventListener("mozbrowsershowmodalprompt", nonReceiverListener);
 
         isNonReceiverFinished = true;
 
@@ -101,28 +101,28 @@ function setup() {
 
     document.body.appendChild(nonReceiverIframe);
 
-    gScript.addMessageListener('offer-received', function offerReceivedHandler() {
-      gScript.removeMessageListener('offer-received', offerReceivedHandler);
+    gScript.addMessageListener("offer-received", function offerReceivedHandler() {
+      gScript.removeMessageListener("offer-received", offerReceivedHandler);
       info("An offer is received.");
     });
 
-    gScript.addMessageListener('answer-sent', function answerSentHandler(aIsValid) {
-      gScript.removeMessageListener('answer-sent', answerSentHandler);
+    gScript.addMessageListener("answer-sent", function answerSentHandler(aIsValid) {
+      gScript.removeMessageListener("answer-sent", answerSentHandler);
       ok(aIsValid, "A valid answer is sent.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       is(aReason, SpecialPowers.Cr.NS_OK, "The control channel is closed normally.");
     });
 
-    gScript.addMessageListener('data-transport-notification-enabled', function dataTransportNotificationEnabledHandler() {
-      gScript.removeMessageListener('data-transport-notification-enabled', dataTransportNotificationEnabledHandler);
+    gScript.addMessageListener("data-transport-notification-enabled", function dataTransportNotificationEnabledHandler() {
+      gScript.removeMessageListener("data-transport-notification-enabled", dataTransportNotificationEnabledHandler);
       info("Data notification is enabled for data transport channel.");
     });
 
-    gScript.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-      gScript.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+    gScript.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+      gScript.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
       is(aReason, SpecialPowers.Cr.NS_OK, "The data transport should be closed normally.");
     });
 
@@ -132,25 +132,25 @@ function setup() {
 
 function testIncomingSessionRequest() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('receiver-launching', function launchReceiverHandler(aSessionId) {
-      gScript.removeMessageListener('receiver-launching', launchReceiverHandler);
+    gScript.addMessageListener("receiver-launching", function launchReceiverHandler(aSessionId) {
+      gScript.removeMessageListener("receiver-launching", launchReceiverHandler);
       info("Trying to launch receiver page.");
 
       aResolve();
     });
 
-    gScript.sendAsyncMessage('trigger-incoming-session-request', receiverUrl);
+    gScript.sendAsyncMessage("trigger-incoming-session-request", receiverUrl);
   });
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -160,10 +160,10 @@ function runTests() {
 
 SimpleTest.waitForExplicitFinish();
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
-  {type: 'browser', allow: true, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
+  {type: "browser", allow: true, context: document},
 ], function() {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", false],
                                       ["dom.presentation.receiver.enabled", true],
                                       ["dom.presentation.session_transport.data_channel.enable", false],
diff --git a/dom/presentation/tests/mochitest/test_presentation_tcp_sender.html b/dom/presentation/tests/mochitest/test_presentation_tcp_sender.html
index c7b4cb7d9bf9..8935a48f8484 100644
--- a/dom/presentation/tests/mochitest/test_presentation_tcp_sender.html
+++ b/dom/presentation/tests/mochitest/test_presentation_tcp_sender.html
@@ -12,9 +12,9 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1069230">Test for B2G Presentation API at sender side</a>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
 var request;
 var connection;
 
@@ -29,8 +29,8 @@ function testSetup() {
           aAvailability.onchange = null;
           ok(aAvailability.value, "Device should be available.");
           aResolve();
-        }
-        gScript.sendAsyncMessage('trigger-device-add');
+        };
+        gScript.sendAsyncMessage("trigger-device-add");
       },
       function(aError) {
         ok(false, "Error occurred when getting availability: " + aError);
@@ -44,47 +44,47 @@ function testSetup() {
 
 function testStartConnection() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-      gScript.removeMessageListener('device-prompt', devicePromptHandler);
+    gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+      gScript.removeMessageListener("device-prompt", devicePromptHandler);
       info("Device prompt is triggered.");
-      gScript.sendAsyncMessage('trigger-device-prompt-select');
+      gScript.sendAsyncMessage("trigger-device-prompt-select");
     });
 
-    gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-      gScript.removeMessageListener('control-channel-established', controlChannelEstablishedHandler);
+    gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+      gScript.removeMessageListener("control-channel-established", controlChannelEstablishedHandler);
       info("A control channel is established.");
-      gScript.sendAsyncMessage('trigger-control-channel-open');
+      gScript.sendAsyncMessage("trigger-control-channel-open");
     });
 
-    gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-opened', controlChannelOpenedHandler);
+    gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-opened", controlChannelOpenedHandler);
       info("The control channel is opened.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       info("The control channel is closed. " + aReason);
     });
 
-    gScript.addMessageListener('offer-sent', function offerSentHandler(aIsValid) {
-      gScript.removeMessageListener('offer-sent', offerSentHandler);
+    gScript.addMessageListener("offer-sent", function offerSentHandler(aIsValid) {
+      gScript.removeMessageListener("offer-sent", offerSentHandler);
       ok(aIsValid, "A valid offer is sent out.");
-      gScript.sendAsyncMessage('trigger-incoming-transport');
+      gScript.sendAsyncMessage("trigger-incoming-transport");
     });
 
-    gScript.addMessageListener('answer-received', function answerReceivedHandler() {
-      gScript.removeMessageListener('answer-received', answerReceivedHandler);
+    gScript.addMessageListener("answer-received", function answerReceivedHandler() {
+      gScript.removeMessageListener("answer-received", answerReceivedHandler);
       info("An answer is received.");
     });
 
-    gScript.addMessageListener('data-transport-initialized', function dataTransportInitializedHandler() {
-      gScript.removeMessageListener('data-transport-initialized', dataTransportInitializedHandler);
+    gScript.addMessageListener("data-transport-initialized", function dataTransportInitializedHandler() {
+      gScript.removeMessageListener("data-transport-initialized", dataTransportInitializedHandler);
       info("Data transport channel is initialized.");
-      gScript.sendAsyncMessage('trigger-incoming-answer');
+      gScript.sendAsyncMessage("trigger-incoming-answer");
     });
 
-    gScript.addMessageListener('data-transport-notification-enabled', function dataTransportNotificationEnabledHandler() {
-      gScript.removeMessageListener('data-transport-notification-enabled', dataTransportNotificationEnabledHandler);
+    gScript.addMessageListener("data-transport-notification-enabled", function dataTransportNotificationEnabledHandler() {
+      gScript.removeMessageListener("data-transport-notification-enabled", dataTransportNotificationEnabledHandler);
       info("Data notification is enabled for data transport channel.");
     });
 
@@ -128,8 +128,8 @@ function testSend() {
   return new Promise(function(aResolve, aReject) {
     const outgoingMessage = "test outgoing message";
 
-    gScript.addMessageListener('message-sent', function messageSentHandler(aMessage) {
-      gScript.removeMessageListener('message-sent', messageSentHandler);
+    gScript.addMessageListener("message-sent", function messageSentHandler(aMessage) {
+      gScript.removeMessageListener("message-sent", messageSentHandler);
       is(aMessage, outgoingMessage, "The message is sent out.");
       aResolve();
     });
@@ -142,19 +142,19 @@ function testIncomingMessage() {
   return new Promise(function(aResolve, aReject) {
     const incomingMessage = "test incoming message";
 
-    connection.addEventListener('message', function(aEvent) {
+    connection.addEventListener("message", function(aEvent) {
       is(aEvent.data, incomingMessage, "An incoming message should be received.");
       aResolve();
     }, {once: true});
 
-    gScript.sendAsyncMessage('trigger-incoming-message', incomingMessage);
+    gScript.sendAsyncMessage("trigger-incoming-message", incomingMessage);
   });
 }
 
 function testCloseConnection() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-      gScript.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+    gScript.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+      gScript.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
       info("The data transport is closed. " + aReason);
     });
 
@@ -170,36 +170,36 @@ function testCloseConnection() {
 
 function testReconnect() {
   return new Promise(function(aResolve, aReject) {
-    info('--- testReconnect ---');
-    gScript.addMessageListener('control-channel-established', function controlChannelEstablished() {
-      gScript.removeMessageListener('control-channel-established', controlChannelEstablished);
+    info("--- testReconnect ---");
+    gScript.addMessageListener("control-channel-established", function controlChannelEstablished() {
+      gScript.removeMessageListener("control-channel-established", controlChannelEstablished);
       gScript.sendAsyncMessage("trigger-control-channel-open");
     });
 
-    gScript.addMessageListener('start-reconnect', function startReconnectHandler(url) {
-      gScript.removeMessageListener('start-reconnect', startReconnectHandler);
-      is(url, "https://example.com/", "URLs should be the same.")
-      gScript.sendAsyncMessage('trigger-reconnected-acked', url);
+    gScript.addMessageListener("start-reconnect", function startReconnectHandler(url) {
+      gScript.removeMessageListener("start-reconnect", startReconnectHandler);
+      is(url, "https://example.com/", "URLs should be the same.");
+      gScript.sendAsyncMessage("trigger-reconnected-acked", url);
     });
 
-    gScript.addMessageListener('offer-sent', function offerSentHandler() {
-      gScript.removeMessageListener('offer-sent', offerSentHandler);
-      gScript.sendAsyncMessage('trigger-incoming-transport');
+    gScript.addMessageListener("offer-sent", function offerSentHandler() {
+      gScript.removeMessageListener("offer-sent", offerSentHandler);
+      gScript.sendAsyncMessage("trigger-incoming-transport");
     });
 
-    gScript.addMessageListener('answer-received', function answerReceivedHandler() {
-      gScript.removeMessageListener('answer-received', answerReceivedHandler);
+    gScript.addMessageListener("answer-received", function answerReceivedHandler() {
+      gScript.removeMessageListener("answer-received", answerReceivedHandler);
       info("An answer is received.");
     });
 
-    gScript.addMessageListener('data-transport-initialized', function dataTransportInitializedHandler() {
-      gScript.removeMessageListener('data-transport-initialized', dataTransportInitializedHandler);
+    gScript.addMessageListener("data-transport-initialized", function dataTransportInitializedHandler() {
+      gScript.removeMessageListener("data-transport-initialized", dataTransportInitializedHandler);
       info("Data transport channel is initialized.");
-      gScript.sendAsyncMessage('trigger-incoming-answer');
+      gScript.sendAsyncMessage("trigger-incoming-answer");
     });
 
-    gScript.addMessageListener('data-transport-notification-enabled', function dataTransportNotificationEnabledHandler() {
-      gScript.removeMessageListener('data-transport-notification-enabled', dataTransportNotificationEnabledHandler);
+    gScript.addMessageListener("data-transport-notification-enabled", function dataTransportNotificationEnabledHandler() {
+      gScript.removeMessageListener("data-transport-notification-enabled", dataTransportNotificationEnabledHandler);
       info("Data notification is enabled for data transport channel.");
     });
 
@@ -226,13 +226,13 @@ function testReconnect() {
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -249,7 +249,7 @@ function runTests() {
 }
 
 SimpleTest.waitForExplicitFinish();
-SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                     ["dom.presentation.controller.enabled", true],
                                     ["dom.presentation.session_transport.data_channel.enable", false]]},
                           runTests);
diff --git a/dom/presentation/tests/mochitest/test_presentation_tcp_sender_default_request.html b/dom/presentation/tests/mochitest/test_presentation_tcp_sender_default_request.html
index d9b064f65742..dc20b985318e 100644
--- a/dom/presentation/tests/mochitest/test_presentation_tcp_sender_default_request.html
+++ b/dom/presentation/tests/mochitest/test_presentation_tcp_sender_default_request.html
@@ -12,9 +12,9 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1069230">Test default request for B2G Presentation API at sender side</a>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
 var connection;
 
 function testSetup() {
@@ -28,9 +28,9 @@ function testSetup() {
           aAvailability.onchange = null;
           ok(aAvailability.value, "Device should be available.");
           aResolve();
-        }
+        };
 
-        gScript.sendAsyncMessage('trigger-device-add');
+        gScript.sendAsyncMessage("trigger-device-add");
       },
       function(aError) {
         ok(false, "Error occurred when getting availability: " + aError);
@@ -43,43 +43,43 @@ function testSetup() {
 
 function testStartConnection() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-      gScript.removeMessageListener('device-prompt', devicePromptHandler);
+    gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+      gScript.removeMessageListener("device-prompt", devicePromptHandler);
       info("Device prompt is triggered.");
-      gScript.sendAsyncMessage('trigger-device-prompt-select');
+      gScript.sendAsyncMessage("trigger-device-prompt-select");
     });
 
-    gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-      gScript.removeMessageListener('control-channel-established', controlChannelEstablishedHandler);
+    gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+      gScript.removeMessageListener("control-channel-established", controlChannelEstablishedHandler);
       info("A control channel is established.");
-      gScript.sendAsyncMessage('trigger-control-channel-open');
+      gScript.sendAsyncMessage("trigger-control-channel-open");
     });
 
-    gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-opened', controlChannelOpenedHandler);
+    gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-opened", controlChannelOpenedHandler);
       info("The control channel is opened.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       info("The control channel is closed. " + aReason);
     });
 
-    gScript.addMessageListener('offer-sent', function offerSentHandler() {
-      gScript.removeMessageListener('offer-sent', offerSentHandler);
+    gScript.addMessageListener("offer-sent", function offerSentHandler() {
+      gScript.removeMessageListener("offer-sent", offerSentHandler);
       info("An offer is sent out.");
-      gScript.sendAsyncMessage('trigger-incoming-transport');
+      gScript.sendAsyncMessage("trigger-incoming-transport");
     });
 
-    gScript.addMessageListener('answer-received', function answerReceivedHandler() {
-      gScript.removeMessageListener('answer-received', answerReceivedHandler);
+    gScript.addMessageListener("answer-received", function answerReceivedHandler() {
+      gScript.removeMessageListener("answer-received", answerReceivedHandler);
       info("An answer is received.");
     });
 
-    gScript.addMessageListener('data-transport-initialized', function dataTransportInitializedHandler() {
-      gScript.removeMessageListener('data-transport-initialized', dataTransportInitializedHandler);
+    gScript.addMessageListener("data-transport-initialized", function dataTransportInitializedHandler() {
+      gScript.removeMessageListener("data-transport-initialized", dataTransportInitializedHandler);
       info("Data transport channel is initialized.");
-      gScript.sendAsyncMessage('trigger-incoming-answer');
+      gScript.sendAsyncMessage("trigger-incoming-answer");
     });
 
     is(navigator.presentation.receiver, undefined, "Sender shouldn't get a presentation receiver instance.");
@@ -104,8 +104,8 @@ function testStartConnection() {
 
 function testCloseConnection() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-      gScript.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+    gScript.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+      gScript.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
       info("The data transport is closed. " + aReason);
     });
 
@@ -120,13 +120,13 @@ function testCloseConnection() {
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -140,7 +140,7 @@ function runTests() {
 }
 
 SimpleTest.waitForExplicitFinish();
-SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                     ["dom.presentation.controller.enabled", true],
                                     ["dom.presentation.receiver.enabled", false],
                                     ["dom.presentation.session_transport.data_channel.enable", false]]},
diff --git a/dom/presentation/tests/mochitest/test_presentation_tcp_sender_disconnect.html b/dom/presentation/tests/mochitest/test_presentation_tcp_sender_disconnect.html
index a7a3987ad344..f412c6c4b99a 100644
--- a/dom/presentation/tests/mochitest/test_presentation_tcp_sender_disconnect.html
+++ b/dom/presentation/tests/mochitest/test_presentation_tcp_sender_disconnect.html
@@ -12,9 +12,9 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1069230">Test for disconnection of B2G Presentation API at sender side</a>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
 var request;
 var connection;
 
@@ -29,9 +29,9 @@ function testSetup() {
           aAvailability.onchange = null;
           ok(aAvailability.value, "Device should be available.");
           aResolve();
-        }
+        };
 
-        gScript.sendAsyncMessage('trigger-device-add');
+        gScript.sendAsyncMessage("trigger-device-add");
       },
       function(aError) {
         ok(false, "Error occurred when getting availability: " + aError);
@@ -44,47 +44,47 @@ function testSetup() {
 
 function testStartConnection() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-      gScript.removeMessageListener('device-prompt', devicePromptHandler);
+    gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+      gScript.removeMessageListener("device-prompt", devicePromptHandler);
       info("Device prompt is triggered.");
-      gScript.sendAsyncMessage('trigger-device-prompt-select');
+      gScript.sendAsyncMessage("trigger-device-prompt-select");
     });
 
-    gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-      gScript.removeMessageListener('control-channel-established', controlChannelEstablishedHandler);
+    gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+      gScript.removeMessageListener("control-channel-established", controlChannelEstablishedHandler);
       info("A control channel is established.");
-      gScript.sendAsyncMessage('trigger-control-channel-open');
+      gScript.sendAsyncMessage("trigger-control-channel-open");
     });
 
-    gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-opened', controlChannelOpenedHandler);
+    gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-opened", controlChannelOpenedHandler);
       info("The control channel is opened.");
     });
 
-    gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-      gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+    gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+      gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
       info("The control channel is closed. " + aReason);
     });
 
-    gScript.addMessageListener('offer-sent', function offerSentHandler(aIsValid) {
-      gScript.removeMessageListener('offer-sent', offerSentHandler);
+    gScript.addMessageListener("offer-sent", function offerSentHandler(aIsValid) {
+      gScript.removeMessageListener("offer-sent", offerSentHandler);
       ok(aIsValid, "A valid offer is sent out.");
-      gScript.sendAsyncMessage('trigger-incoming-answer');
+      gScript.sendAsyncMessage("trigger-incoming-answer");
     });
 
-    gScript.addMessageListener('answer-received', function answerReceivedHandler() {
-      gScript.removeMessageListener('answer-received', answerReceivedHandler);
+    gScript.addMessageListener("answer-received", function answerReceivedHandler() {
+      gScript.removeMessageListener("answer-received", answerReceivedHandler);
       info("An answer is received.");
-      gScript.sendAsyncMessage('trigger-incoming-transport');
+      gScript.sendAsyncMessage("trigger-incoming-transport");
     });
 
-    gScript.addMessageListener('data-transport-initialized', function dataTransportInitializedHandler() {
-      gScript.removeMessageListener('data-transport-initialized', dataTransportInitializedHandler);
+    gScript.addMessageListener("data-transport-initialized", function dataTransportInitializedHandler() {
+      gScript.removeMessageListener("data-transport-initialized", dataTransportInitializedHandler);
       info("Data transport channel is initialized.");
     });
 
-    gScript.addMessageListener('data-transport-notification-enabled', function dataTransportNotificationEnabledHandler() {
-      gScript.removeMessageListener('data-transport-notification-enabled', dataTransportNotificationEnabledHandler);
+    gScript.addMessageListener("data-transport-notification-enabled", function dataTransportNotificationEnabledHandler() {
+      gScript.removeMessageListener("data-transport-notification-enabled", dataTransportNotificationEnabledHandler);
       info("Data notification is enabled for data transport channel.");
     });
 
@@ -111,8 +111,8 @@ function testStartConnection() {
 
 function testDisconnection() {
   return new Promise(function(aResolve, aReject) {
-    gScript.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-      gScript.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+    gScript.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+      gScript.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
       info("The data transport is closed. " + aReason);
     });
 
@@ -122,18 +122,18 @@ function testDisconnection() {
       aResolve();
     };
 
-    gScript.sendAsyncMessage('trigger-data-transport-close', SpecialPowers.Cr.NS_ERROR_FAILURE);
+    gScript.sendAsyncMessage("trigger-data-transport-close", SpecialPowers.Cr.NS_ERROR_FAILURE);
   });
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -147,9 +147,9 @@ function runTests() {
 
 SimpleTest.waitForExplicitFinish();
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
 ], function() {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", true],
                                       ["dom.presentation.session_transport.data_channel.enable", false]]},
                             runTests);
diff --git a/dom/presentation/tests/mochitest/test_presentation_tcp_sender_establish_connection_error.html b/dom/presentation/tests/mochitest/test_presentation_tcp_sender_establish_connection_error.html
index fab415ab808f..2c79a0cea92f 100644
--- a/dom/presentation/tests/mochitest/test_presentation_tcp_sender_establish_connection_error.html
+++ b/dom/presentation/tests/mochitest/test_presentation_tcp_sender_establish_connection_error.html
@@ -12,9 +12,9 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1069230">Test for connection establishing errors of B2G Presentation API at sender side</a>
 <script type="application/javascript">
 
-'use strict';
+"use strict";
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript.js'));
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript.js"));
 var request;
 
 function setup() {
@@ -28,9 +28,9 @@ function setup() {
           aAvailability.onchange = null;
           ok(aAvailability.value, "Device should be available.");
           aResolve();
-        }
+        };
 
-        gScript.sendAsyncMessage('trigger-device-add');
+        gScript.sendAsyncMessage("trigger-device-add");
       },
       function(aError) {
         ok(false, "Error occurred when getting availability: " + aError);
@@ -42,13 +42,13 @@ function setup() {
 }
 
 function testStartConnectionCancelPrompt() {
-  info('--- testStartConnectionCancelPrompt ---');
+  info("--- testStartConnectionCancelPrompt ---");
   return Promise.all([
     new Promise((resolve) => {
-      gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-        gScript.removeMessageListener('device-prompt', devicePromptHandler);
+      gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+        gScript.removeMessageListener("device-prompt", devicePromptHandler);
         info("Device prompt is triggered.");
-        gScript.sendAsyncMessage('trigger-device-prompt-cancel', SpecialPowers.Cr.NS_ERROR_DOM_NOT_ALLOWED_ERR);
+        gScript.sendAsyncMessage("trigger-device-prompt-cancel", SpecialPowers.Cr.NS_ERROR_DOM_NOT_ALLOWED_ERR);
         resolve();
       });
     }),
@@ -64,13 +64,13 @@ function testStartConnectionCancelPrompt() {
 }
 
 function testStartConnectionNoDevice() {
-  info('--- testStartConnectionNoDevice ---');
+  info("--- testStartConnectionNoDevice ---");
   return Promise.all([
     new Promise((resolve) => {
-      gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-        gScript.removeMessageListener('device-prompt', devicePromptHandler);
+      gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+        gScript.removeMessageListener("device-prompt", devicePromptHandler);
         info("Device prompt is triggered.");
-        gScript.sendAsyncMessage('trigger-device-prompt-cancel', SpecialPowers.Cr.NS_ERROR_DOM_NOT_FOUND_ERR);
+        gScript.sendAsyncMessage("trigger-device-prompt-cancel", SpecialPowers.Cr.NS_ERROR_DOM_NOT_FOUND_ERR);
         resolve();
       });
     }),
@@ -86,38 +86,38 @@ function testStartConnectionNoDevice() {
 }
 
 function testStartConnectionUnexpectedControlChannelCloseBeforeDataTransportInit() {
-  info('--- testStartConnectionUnexpectedControlChannelCloseBeforeDataTransportInit ---');
+  info("--- testStartConnectionUnexpectedControlChannelCloseBeforeDataTransportInit ---");
   return Promise.all([
 
     new Promise((resolve) => {
-      gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-        gScript.removeMessageListener('device-prompt', devicePromptHandler);
+      gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+        gScript.removeMessageListener("device-prompt", devicePromptHandler);
         info("Device prompt is triggered.");
-        gScript.sendAsyncMessage('trigger-device-prompt-select');
+        gScript.sendAsyncMessage("trigger-device-prompt-select");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-        gScript.removeMessageListener('control-channel-established', controlChannelEstablishedHandler);
+      gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+        gScript.removeMessageListener("control-channel-established", controlChannelEstablishedHandler);
         info("A control channel is established.");
-        gScript.sendAsyncMessage('trigger-control-channel-open');
+        gScript.sendAsyncMessage("trigger-control-channel-open");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler() {
-        gScript.removeMessageListener('control-channel-opened', controlChannelOpenedHandler);
+      gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler() {
+        gScript.removeMessageListener("control-channel-opened", controlChannelOpenedHandler);
         info("The control channel is opened.");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-        gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+      gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+        gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
         info("The control channel is closed. " + aReason);
         is(aReason, SpecialPowers.Cr.NS_ERROR_FAILURE, "The control channel is closed with NS_ERROR_FAILURE");
         resolve();
@@ -125,10 +125,10 @@ function testStartConnectionUnexpectedControlChannelCloseBeforeDataTransportInit
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('offer-sent', function offerSentHandler(aIsValid) {
-        gScript.removeMessageListener('offer-sent', offerSentHandler);
+      gScript.addMessageListener("offer-sent", function offerSentHandler(aIsValid) {
+        gScript.removeMessageListener("offer-sent", offerSentHandler);
         ok(aIsValid, "A valid offer is sent out.");
-        gScript.sendAsyncMessage('trigger-control-channel-close', SpecialPowers.Cr.NS_ERROR_FAILURE);
+        gScript.sendAsyncMessage("trigger-control-channel-close", SpecialPowers.Cr.NS_ERROR_FAILURE);
         resolve();
       });
     }),
@@ -154,38 +154,38 @@ function testStartConnectionUnexpectedControlChannelCloseBeforeDataTransportInit
 }
 
 function testStartConnectionUnexpectedControlChannelCloseNoReasonBeforeDataTransportInit() {
-  info('--- testStartConnectionUnexpectedControlChannelCloseNoReasonBeforeDataTransportInit ---');
+  info("--- testStartConnectionUnexpectedControlChannelCloseNoReasonBeforeDataTransportInit ---");
   return Promise.all([
 
     new Promise((resolve) => {
-      gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-        gScript.removeMessageListener('device-prompt', devicePromptHandler);
+      gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+        gScript.removeMessageListener("device-prompt", devicePromptHandler);
         info("Device prompt is triggered.");
-        gScript.sendAsyncMessage('trigger-device-prompt-select');
+        gScript.sendAsyncMessage("trigger-device-prompt-select");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-        gScript.removeMessageListener('control-channel-established', controlChannelEstablishedHandler);
+      gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+        gScript.removeMessageListener("control-channel-established", controlChannelEstablishedHandler);
         info("A control channel is established.");
-        gScript.sendAsyncMessage('trigger-control-channel-open');
+        gScript.sendAsyncMessage("trigger-control-channel-open");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler() {
-        gScript.removeMessageListener('control-channel-opened', controlChannelOpenedHandler);
+      gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler() {
+        gScript.removeMessageListener("control-channel-opened", controlChannelOpenedHandler);
         info("The control channel is opened.");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-        gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+      gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+        gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
         info("The control channel is closed. " + aReason);
         is(aReason, SpecialPowers.Cr.NS_OK, "The control channel is closed with NS_OK");
         resolve();
@@ -193,10 +193,10 @@ function testStartConnectionUnexpectedControlChannelCloseNoReasonBeforeDataTrans
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('offer-sent', function offerSentHandler(aIsValid) {
-        gScript.removeMessageListener('offer-sent', offerSentHandler);
+      gScript.addMessageListener("offer-sent", function offerSentHandler(aIsValid) {
+        gScript.removeMessageListener("offer-sent", offerSentHandler);
         ok(aIsValid, "A valid offer is sent out.");
-        gScript.sendAsyncMessage('trigger-control-channel-close', SpecialPowers.Cr.NS_OK);
+        gScript.sendAsyncMessage("trigger-control-channel-close", SpecialPowers.Cr.NS_OK);
         resolve();
       });
     }),
@@ -222,64 +222,64 @@ function testStartConnectionUnexpectedControlChannelCloseNoReasonBeforeDataTrans
 }
 
 function testStartConnectionUnexpectedControlChannelCloseBeforeDataTransportReady() {
-  info('--- testStartConnectionUnexpectedControlChannelCloseBeforeDataTransportReady ---');
+  info("--- testStartConnectionUnexpectedControlChannelCloseBeforeDataTransportReady ---");
   return Promise.all([
 
     new Promise((resolve) => {
-      gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-        gScript.removeMessageListener('device-prompt', devicePromptHandler);
+      gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+        gScript.removeMessageListener("device-prompt", devicePromptHandler);
         info("Device prompt is triggered.");
-        gScript.sendAsyncMessage('trigger-device-prompt-select');
+        gScript.sendAsyncMessage("trigger-device-prompt-select");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-        gScript.removeMessageListener('control-channel-established', controlChannelEstablishedHandler);
+      gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+        gScript.removeMessageListener("control-channel-established", controlChannelEstablishedHandler);
         info("A control channel is established.");
-        gScript.sendAsyncMessage('trigger-control-channel-open');
+        gScript.sendAsyncMessage("trigger-control-channel-open");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler() {
-        gScript.removeMessageListener('control-channel-opened', controlChannelOpenedHandler);
+      gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler() {
+        gScript.removeMessageListener("control-channel-opened", controlChannelOpenedHandler);
         info("The control channel is opened.");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-        gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+      gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+        gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
         is(aReason, SpecialPowers.Cr.NS_ERROR_ABORT, "The control channel is closed with NS_ERROR_ABORT");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('offer-sent', function offerSentHandler(aIsValid) {
-        gScript.removeMessageListener('offer-sent', offerSentHandler);
+      gScript.addMessageListener("offer-sent", function offerSentHandler(aIsValid) {
+        gScript.removeMessageListener("offer-sent", offerSentHandler);
         ok(aIsValid, "A valid offer is sent out.");
-        gScript.sendAsyncMessage('trigger-incoming-transport');
+        gScript.sendAsyncMessage("trigger-incoming-transport");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('data-transport-initialized', function dataTransportInitializedHandler() {
-        gScript.removeMessageListener('data-transport-initialized', dataTransportInitializedHandler);
+      gScript.addMessageListener("data-transport-initialized", function dataTransportInitializedHandler() {
+        gScript.removeMessageListener("data-transport-initialized", dataTransportInitializedHandler);
         info("Data transport channel is initialized.");
-        gScript.sendAsyncMessage('trigger-control-channel-close', SpecialPowers.Cr.NS_ERROR_ABORT);
+        gScript.sendAsyncMessage("trigger-control-channel-close", SpecialPowers.Cr.NS_ERROR_ABORT);
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-        gScript.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+      gScript.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+        gScript.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
         info("The data transport is closed. " + aReason);
         resolve();
       });
@@ -306,38 +306,38 @@ function testStartConnectionUnexpectedControlChannelCloseBeforeDataTransportRead
 }
 
 function testStartConnectionUnexpectedControlChannelCloseNoReasonBeforeDataTransportReady() {
-  info('--- testStartConnectionUnexpectedControlChannelCloseNoReasonBeforeDataTransportReady -- ');
+  info("--- testStartConnectionUnexpectedControlChannelCloseNoReasonBeforeDataTransportReady -- ");
   return Promise.all([
 
     new Promise((resolve) => {
-      gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-        gScript.removeMessageListener('device-prompt', devicePromptHandler);
+      gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+        gScript.removeMessageListener("device-prompt", devicePromptHandler);
         info("Device prompt is triggered.");
-        gScript.sendAsyncMessage('trigger-device-prompt-select');
+        gScript.sendAsyncMessage("trigger-device-prompt-select");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-        gScript.removeMessageListener('control-channel-established', controlChannelEstablishedHandler);
+      gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+        gScript.removeMessageListener("control-channel-established", controlChannelEstablishedHandler);
         info("A control channel is established.");
-        gScript.sendAsyncMessage('trigger-control-channel-open');
+        gScript.sendAsyncMessage("trigger-control-channel-open");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler() {
-        gScript.removeMessageListener('control-channel-opened', controlChannelOpenedHandler);
+      gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler() {
+        gScript.removeMessageListener("control-channel-opened", controlChannelOpenedHandler);
         info("The control channel is opened.");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-        gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+      gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+        gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
         info("The control channel is closed. " + aReason);
         is(aReason, SpecialPowers.Cr.NS_OK, "The control channel is closed with NS_OK");
         resolve();
@@ -345,26 +345,26 @@ function testStartConnectionUnexpectedControlChannelCloseNoReasonBeforeDataTrans
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('offer-sent', function offerSentHandler(aIsValid) {
-        gScript.removeMessageListener('offer-sent', offerSentHandler);
+      gScript.addMessageListener("offer-sent", function offerSentHandler(aIsValid) {
+        gScript.removeMessageListener("offer-sent", offerSentHandler);
         ok(aIsValid, "A valid offer is sent out.");
-        gScript.sendAsyncMessage('trigger-incoming-transport');
+        gScript.sendAsyncMessage("trigger-incoming-transport");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('data-transport-initialized', function dataTransportInitializedHandler() {
-        gScript.removeMessageListener('data-transport-initialized', dataTransportInitializedHandler);
+      gScript.addMessageListener("data-transport-initialized", function dataTransportInitializedHandler() {
+        gScript.removeMessageListener("data-transport-initialized", dataTransportInitializedHandler);
         info("Data transport channel is initialized.");
-        gScript.sendAsyncMessage('trigger-control-channel-close', SpecialPowers.Cr.NS_OK);
+        gScript.sendAsyncMessage("trigger-control-channel-close", SpecialPowers.Cr.NS_OK);
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-        gScript.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+      gScript.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+        gScript.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
         info("The data transport is closed. " + aReason);
         resolve();
       });
@@ -391,65 +391,65 @@ function testStartConnectionUnexpectedControlChannelCloseNoReasonBeforeDataTrans
 }
 
 function testStartConnectionUnexpectedDataTransportClose() {
-  info('--- testStartConnectionUnexpectedDataTransportClose ---');
+  info("--- testStartConnectionUnexpectedDataTransportClose ---");
   return Promise.all([
 
     new Promise((resolve) => {
-      gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-        gScript.removeMessageListener('device-prompt', devicePromptHandler);
+      gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+        gScript.removeMessageListener("device-prompt", devicePromptHandler);
         info("Device prompt is triggered.");
-        gScript.sendAsyncMessage('trigger-device-prompt-select');
+        gScript.sendAsyncMessage("trigger-device-prompt-select");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-        gScript.removeMessageListener('control-channel-established', controlChannelEstablishedHandler);
+      gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+        gScript.removeMessageListener("control-channel-established", controlChannelEstablishedHandler);
         info("A control channel is established.");
-        gScript.sendAsyncMessage('trigger-control-channel-open');
+        gScript.sendAsyncMessage("trigger-control-channel-open");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-opened', function controlChannelOpenedHandler() {
-        gScript.removeMessageListener('control-channel-opened', controlChannelOpenedHandler);
+      gScript.addMessageListener("control-channel-opened", function controlChannelOpenedHandler() {
+        gScript.removeMessageListener("control-channel-opened", controlChannelOpenedHandler);
         info("The control channel is opened.");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('control-channel-closed', function controlChannelClosedHandler(aReason) {
-        gScript.removeMessageListener('control-channel-closed', controlChannelClosedHandler);
+      gScript.addMessageListener("control-channel-closed", function controlChannelClosedHandler(aReason) {
+        gScript.removeMessageListener("control-channel-closed", controlChannelClosedHandler);
         info("The control channel is closed. " + aReason);
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('offer-sent', function offerSentHandler(aIsValid) {
-        gScript.removeMessageListener('offer-sent', offerSentHandler);
+      gScript.addMessageListener("offer-sent", function offerSentHandler(aIsValid) {
+        gScript.removeMessageListener("offer-sent", offerSentHandler);
         ok(aIsValid, "A valid offer is sent out.");
         info("recv offer-sent.");
-        gScript.sendAsyncMessage('trigger-incoming-transport');
+        gScript.sendAsyncMessage("trigger-incoming-transport");
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('data-transport-initialized', function dataTransportInitializedHandler() {
-        gScript.removeMessageListener('data-transport-initialized', dataTransportInitializedHandler);
+      gScript.addMessageListener("data-transport-initialized", function dataTransportInitializedHandler() {
+        gScript.removeMessageListener("data-transport-initialized", dataTransportInitializedHandler);
         info("Data transport channel is initialized.");
-        gScript.sendAsyncMessage('trigger-data-transport-close', SpecialPowers.Cr.NS_ERROR_UNEXPECTED);
+        gScript.sendAsyncMessage("trigger-data-transport-close", SpecialPowers.Cr.NS_ERROR_UNEXPECTED);
         resolve();
       });
     }),
 
     new Promise((resolve) => {
-      gScript.addMessageListener('data-transport-closed', function dataTransportClosedHandler(aReason) {
-        gScript.removeMessageListener('data-transport-closed', dataTransportClosedHandler);
+      gScript.addMessageListener("data-transport-closed", function dataTransportClosedHandler(aReason) {
+        gScript.removeMessageListener("data-transport-closed", dataTransportClosedHandler);
         info("The data transport is closed. " + aReason);
         resolve();
       });
@@ -476,13 +476,13 @@ function testStartConnectionUnexpectedDataTransportClose() {
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
 
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -501,9 +501,9 @@ function runTests() {
 
 SimpleTest.waitForExplicitFinish();
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
 ], function() {
-  SpecialPowers.pushPrefEnv({ 'set': [["dom.presentation.enabled", true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", true],
                                       ["dom.presentation.session_transport.data_channel.enable", false]]},
                             runTests);
diff --git a/dom/presentation/tests/mochitest/test_presentation_terminate.js b/dom/presentation/tests/mochitest/test_presentation_terminate.js
index 8caed5d82ed5..e58768b92b7c 100644
--- a/dom/presentation/tests/mochitest/test_presentation_terminate.js
+++ b/dom/presentation/tests/mochitest/test_presentation_terminate.js
@@ -1,61 +1,61 @@
-'use strict';
+"use strict";
 
 SimpleTest.waitForExplicitFinish();
-SimpleTest.requestFlakyTimeout('Test for guarantee not firing async event');
+SimpleTest.requestFlakyTimeout("Test for guarantee not firing async event");
 
 function debug(str) {
   // info(str);
 }
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript1UA.js'));
-var receiverUrl = SimpleTest.getTestFileURL('file_presentation_terminate.html');
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript1UA.js"));
+var receiverUrl = SimpleTest.getTestFileURL("file_presentation_terminate.html");
 var request;
 var connection;
 var receiverIframe;
 
 function setup() {
-  gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-    debug('Got message: device-prompt');
-    gScript.removeMessageListener('device-prompt', devicePromptHandler);
-    gScript.sendAsyncMessage('trigger-device-prompt-select');
+  gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+    debug("Got message: device-prompt");
+    gScript.removeMessageListener("device-prompt", devicePromptHandler);
+    gScript.sendAsyncMessage("trigger-device-prompt-select");
   });
 
-  gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-    gScript.removeMessageListener('control-channel-established',
+  gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+    gScript.removeMessageListener("control-channel-established",
                                   controlChannelEstablishedHandler);
-    gScript.sendAsyncMessage('trigger-control-channel-open');
+    gScript.sendAsyncMessage("trigger-control-channel-open");
   });
 
-  gScript.addMessageListener('sender-launch', function senderLaunchHandler(url) {
-    debug('Got message: sender-launch');
-    gScript.removeMessageListener('sender-launch', senderLaunchHandler);
-    is(url, receiverUrl, 'Receiver: should receive the same url');
-    receiverIframe = document.createElement('iframe');
-    receiverIframe.setAttribute('mozbrowser', 'true');
-    receiverIframe.setAttribute('mozpresentation', receiverUrl);
-    var oop = !location.pathname.includes('_inproc');
-    receiverIframe.setAttribute('remote', oop);
+  gScript.addMessageListener("sender-launch", function senderLaunchHandler(url) {
+    debug("Got message: sender-launch");
+    gScript.removeMessageListener("sender-launch", senderLaunchHandler);
+    is(url, receiverUrl, "Receiver: should receive the same url");
+    receiverIframe = document.createElement("iframe");
+    receiverIframe.setAttribute("mozbrowser", "true");
+    receiverIframe.setAttribute("mozpresentation", receiverUrl);
+    var oop = !location.pathname.includes("_inproc");
+    receiverIframe.setAttribute("remote", oop);
 
-    receiverIframe.setAttribute('src', receiverUrl);
-    receiverIframe.addEventListener('mozbrowserloadend', function() {
-      info('Receiver loaded.');
+    receiverIframe.setAttribute("src", receiverUrl);
+    receiverIframe.addEventListener("mozbrowserloadend", function() {
+      info("Receiver loaded.");
     }, {once: true});
 
     // This event is triggered when the iframe calls 'alert'.
-    receiverIframe.addEventListener('mozbrowsershowmodalprompt', function receiverListener(evt) {
+    receiverIframe.addEventListener("mozbrowsershowmodalprompt", function receiverListener(evt) {
       var message = evt.detail.message;
       if (/^OK /.exec(message)) {
-        ok(true, message.replace(/^OK /, ''));
+        ok(true, message.replace(/^OK /, ""));
       } else if (/^KO /.exec(message)) {
-        ok(false, message.replace(/^KO /, ''));
+        ok(false, message.replace(/^KO /, ""));
       } else if (/^INFO /.exec(message)) {
-        info(message.replace(/^INFO /, ''));
+        info(message.replace(/^INFO /, ""));
       } else if (/^COMMAND /.exec(message)) {
-        var command = JSON.parse(message.replace(/^COMMAND /, ''));
+        var command = JSON.parse(message.replace(/^COMMAND /, ""));
         gScript.sendAsyncMessage(command.name, command.data);
       } else if (/^DONE$/.exec(message)) {
-        ok(true, 'Messaging from iframe complete.');
-        receiverIframe.removeEventListener('mozbrowsershowmodalprompt',
+        ok(true, "Messaging from iframe complete.");
+        receiverIframe.removeEventListener("mozbrowsershowmodalprompt",
                                             receiverListener);
       }
     });
@@ -65,16 +65,16 @@ function setup() {
       aResolve(receiverIframe);
     });
 
-    var obs = SpecialPowers.Cc['@mozilla.org/observer-service;1']
+    var obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
                            .getService(SpecialPowers.Ci.nsIObserverService);
-    obs.notifyObservers(promise, 'setup-request-promise');
+    obs.notifyObservers(promise, "setup-request-promise");
   });
 
-  gScript.addMessageListener('promise-setup-ready', function promiseSetupReadyHandler() {
-    debug('Got message: promise-setup-ready');
-    gScript.removeMessageListener('promise-setup-ready',
+  gScript.addMessageListener("promise-setup-ready", function promiseSetupReadyHandler() {
+    debug("Got message: promise-setup-ready");
+    gScript.removeMessageListener("promise-setup-ready",
                                   promiseSetupReadyHandler);
-    gScript.sendAsyncMessage('trigger-on-session-request', receiverUrl);
+    gScript.sendAsyncMessage("trigger-on-session-request", receiverUrl);
   });
 
   return Promise.resolve();
@@ -82,19 +82,19 @@ function setup() {
 
 function testCreateRequest() {
   return new Promise(function(aResolve, aReject) {
-    info('Sender: --- testCreateRequest ---');
+    info("Sender: --- testCreateRequest ---");
     request = new PresentationRequest(receiverUrl);
     request.getAvailability().then((aAvailability) => {
       is(aAvailability.value, false, "Sender: should have no available device after setup");
       aAvailability.onchange = function() {
         aAvailability.onchange = null;
-        ok(aAvailability.value, 'Sender: Device should be available.');
+        ok(aAvailability.value, "Sender: Device should be available.");
         aResolve();
-      }
+      };
 
-      gScript.sendAsyncMessage('trigger-device-add');
+      gScript.sendAsyncMessage("trigger-device-add");
     }).catch((aError) => {
-      ok(false, 'Sender: Error occurred when getting availability: ' + aError);
+      ok(false, "Sender: Error occurred when getting availability: " + aError);
       teardown();
       aReject();
     });
@@ -105,24 +105,24 @@ function testStartConnection() {
   return new Promise(function(aResolve, aReject) {
     request.start().then((aConnection) => {
       connection = aConnection;
-      ok(connection, 'Sender: Connection should be available.');
-      ok(connection.id, 'Sender: Connection ID should be set.');
-      is(connection.state, 'connecting', 'Sender: The initial state should be connecting.');
+      ok(connection, "Sender: Connection should be available.");
+      ok(connection.id, "Sender: Connection ID should be set.");
+      is(connection.state, "connecting", "Sender: The initial state should be connecting.");
       connection.onconnect = function() {
         connection.onconnect = null;
-        is(connection.state, 'connected', 'Connection should be connected.');
+        is(connection.state, "connected", "Connection should be connected.");
         aResolve();
       };
 
-      info('Sender: test terminate at connecting state');
+      info("Sender: test terminate at connecting state");
       connection.onterminate = function() {
         connection.onterminate = null;
-        ok(false, 'Should not be able to terminate at connecting state');
+        ok(false, "Should not be able to terminate at connecting state");
         aReject();
-      }
+      };
       connection.terminate();
     }).catch((aError) => {
-      ok(false, 'Sender: Error occurred when establishing a connection: ' + aError);
+      ok(false, "Sender: Error occurred when establishing a connection: " + aError);
       teardown();
       aReject();
     });
@@ -131,45 +131,45 @@ function testStartConnection() {
 
 function testConnectionTerminate() {
   return new Promise(function(aResolve, aReject) {
-    info('Sender: --- testConnectionTerminate---');
+    info("Sender: --- testConnectionTerminate---");
     connection.onterminate = function() {
       connection.onterminate = null;
-      is(connection.state, 'terminated', 'Sender: Connection should be terminated.');
+      is(connection.state, "terminated", "Sender: Connection should be terminated.");
     };
-    gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-      gScript.removeMessageListener('control-channel-established',
+    gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+      gScript.removeMessageListener("control-channel-established",
                                     controlChannelEstablishedHandler);
-      gScript.sendAsyncMessage('trigger-control-channel-open');
+      gScript.sendAsyncMessage("trigger-control-channel-open");
     });
-    gScript.addMessageListener('sender-terminate', function senderTerminateHandler() {
-      gScript.removeMessageListener('sender-terminate',
+    gScript.addMessageListener("sender-terminate", function senderTerminateHandler() {
+      gScript.removeMessageListener("sender-terminate",
                                     senderTerminateHandler);
 
       Promise.all([
         new Promise((resolve) => {
-          gScript.addMessageListener('device-disconnected', function deviceDisconnectedHandler() {
-            gScript.removeMessageListener('device-disconnected', deviceDisconnectedHandler);
-            ok(true, 'observe device disconnect');
+          gScript.addMessageListener("device-disconnected", function deviceDisconnectedHandler() {
+            gScript.removeMessageListener("device-disconnected", deviceDisconnectedHandler);
+            ok(true, "observe device disconnect");
             resolve();
           });
         }),
         new Promise((resolve) => {
-          receiverIframe.addEventListener('mozbrowserclose', function() {
-            ok(true, 'observe receiver page closing');
+          receiverIframe.addEventListener("mozbrowserclose", function() {
+            ok(true, "observe receiver page closing");
             resolve();
           });
         }),
       ]).then(aResolve);
 
-      gScript.sendAsyncMessage('trigger-on-terminate-request');
+      gScript.sendAsyncMessage("trigger-on-terminate-request");
     });
-    gScript.addMessageListener('ready-to-terminate', function onReadyToTerminate() {
-      gScript.removeMessageListener('ready-to-terminate', onReadyToTerminate);
+    gScript.addMessageListener("ready-to-terminate", function onReadyToTerminate() {
+      gScript.removeMessageListener("ready-to-terminate", onReadyToTerminate);
       connection.terminate();
 
       // test unexpected close right after terminate
       connection.onclose = function() {
-        ok(false, 'close after terminate should do nothing');
+        ok(false, "close after terminate should do nothing");
       };
       connection.close();
     });
@@ -179,10 +179,10 @@ function testConnectionTerminate() {
 function testSendAfterTerminate() {
   return new Promise(function(aResolve, aReject) {
     try {
-      connection.send('something');
-      ok(false, 'PresentationConnection.send should be failed');
+      connection.send("something");
+      ok(false, "PresentationConnection.send should be failed");
     } catch (e) {
-      is(e.name, 'InvalidStateError', 'Must throw InvalidStateError');
+      is(e.name, "InvalidStateError", "Must throw InvalidStateError");
     }
     aResolve();
   });
@@ -193,14 +193,14 @@ function testCloseAfterTerminate() {
       new Promise(function(aResolve, aReject) {
         connection.onclose = function() {
           connection.onclose = null;
-          ok(false, 'close at terminated state should do nothing');
+          ok(false, "close at terminated state should do nothing");
           aResolve();
         };
         connection.close();
       }),
       new Promise(function(aResolve, aReject) {
         setTimeout(function() {
-          is(connection.state, 'terminated', 'Sender: Connection should be terminated.');
+          is(connection.state, "terminated", "Sender: Connection should be terminated.");
           aResolve();
         }, 3000);
       }),
@@ -208,13 +208,13 @@ function testCloseAfterTerminate() {
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    debug('Got message: teardown-complete');
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    debug("Got message: teardown-complete");
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -227,16 +227,16 @@ function runTests() {
 }
 
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
-  {type: 'browser', allow: true, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
+  {type: "browser", allow: true, context: document},
 ], () => {
-  SpecialPowers.pushPrefEnv({ 'set': [['dom.presentation.enabled', true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", true],
                                       ["dom.presentation.receiver.enabled", true],
-                                      ['dom.presentation.test.enabled', true],
-                                      ['dom.mozBrowserFramesEnabled', true],
+                                      ["dom.presentation.test.enabled", true],
+                                      ["dom.mozBrowserFramesEnabled", true],
                                       ["network.disable.ipc.security", true],
-                                      ['dom.ipc.tabs.disabled', false],
-                                      ['dom.presentation.test.stage', 0]]},
+                                      ["dom.ipc.tabs.disabled", false],
+                                      ["dom.presentation.test.stage", 0]]},
                             runTests);
 });
diff --git a/dom/presentation/tests/mochitest/test_presentation_terminate_establish_connection_error.js b/dom/presentation/tests/mochitest/test_presentation_terminate_establish_connection_error.js
index baf530c2d216..f6790a4639d3 100644
--- a/dom/presentation/tests/mochitest/test_presentation_terminate_establish_connection_error.js
+++ b/dom/presentation/tests/mochitest/test_presentation_terminate_establish_connection_error.js
@@ -1,14 +1,14 @@
-'use strict';
+"use strict";
 
 SimpleTest.waitForExplicitFinish();
-SimpleTest.requestFlakyTimeout('Test for guarantee not firing async event');
+SimpleTest.requestFlakyTimeout("Test for guarantee not firing async event");
 
 function debug(str) {
   // info(str);
 }
 
-var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL('PresentationSessionChromeScript1UA.js'));
-var receiverUrl = SimpleTest.getTestFileURL('file_presentation_terminate_establish_connection_error.html');
+var gScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("PresentationSessionChromeScript1UA.js"));
+var receiverUrl = SimpleTest.getTestFileURL("file_presentation_terminate_establish_connection_error.html");
 var request;
 var connection;
 var receiverIframe;
@@ -19,48 +19,48 @@ function postMessageToIframe(aType) {
 }
 
 function setup() {
-  gScript.addMessageListener('device-prompt', function devicePromptHandler() {
-    debug('Got message: device-prompt');
-    gScript.removeMessageListener('device-prompt', devicePromptHandler);
-    gScript.sendAsyncMessage('trigger-device-prompt-select');
+  gScript.addMessageListener("device-prompt", function devicePromptHandler() {
+    debug("Got message: device-prompt");
+    gScript.removeMessageListener("device-prompt", devicePromptHandler);
+    gScript.sendAsyncMessage("trigger-device-prompt-select");
   });
 
-  gScript.addMessageListener('control-channel-established', function controlChannelEstablishedHandler() {
-    gScript.removeMessageListener('control-channel-established',
+  gScript.addMessageListener("control-channel-established", function controlChannelEstablishedHandler() {
+    gScript.removeMessageListener("control-channel-established",
                                   controlChannelEstablishedHandler);
-    gScript.sendAsyncMessage('trigger-control-channel-open');
+    gScript.sendAsyncMessage("trigger-control-channel-open");
   });
 
-  gScript.addMessageListener('sender-launch', function senderLaunchHandler(url) {
-    debug('Got message: sender-launch');
-    gScript.removeMessageListener('sender-launch', senderLaunchHandler);
-    is(url, receiverUrl, 'Receiver: should receive the same url');
-    receiverIframe = document.createElement('iframe');
-    receiverIframe.setAttribute('mozbrowser', 'true');
-    receiverIframe.setAttribute('mozpresentation', receiverUrl);
-    var oop = !location.pathname.includes('_inproc');
-    receiverIframe.setAttribute('remote', oop);
+  gScript.addMessageListener("sender-launch", function senderLaunchHandler(url) {
+    debug("Got message: sender-launch");
+    gScript.removeMessageListener("sender-launch", senderLaunchHandler);
+    is(url, receiverUrl, "Receiver: should receive the same url");
+    receiverIframe = document.createElement("iframe");
+    receiverIframe.setAttribute("mozbrowser", "true");
+    receiverIframe.setAttribute("mozpresentation", receiverUrl);
+    var oop = !location.pathname.includes("_inproc");
+    receiverIframe.setAttribute("remote", oop);
 
-    receiverIframe.setAttribute('src', receiverUrl);
-    receiverIframe.addEventListener('mozbrowserloadend', function() {
-      info('Receiver loaded.');
+    receiverIframe.setAttribute("src", receiverUrl);
+    receiverIframe.addEventListener("mozbrowserloadend", function() {
+      info("Receiver loaded.");
     }, {once: true});
 
     // This event is triggered when the iframe calls 'alert'.
-    receiverIframe.addEventListener('mozbrowsershowmodalprompt', function receiverListener(evt) {
+    receiverIframe.addEventListener("mozbrowsershowmodalprompt", function receiverListener(evt) {
       var message = evt.detail.message;
       if (/^OK /.exec(message)) {
-        ok(true, message.replace(/^OK /, ''));
+        ok(true, message.replace(/^OK /, ""));
       } else if (/^KO /.exec(message)) {
-        ok(false, message.replace(/^KO /, ''));
+        ok(false, message.replace(/^KO /, ""));
       } else if (/^INFO /.exec(message)) {
-        info(message.replace(/^INFO /, ''));
+        info(message.replace(/^INFO /, ""));
       } else if (/^COMMAND /.exec(message)) {
-        var command = JSON.parse(message.replace(/^COMMAND /, ''));
+        var command = JSON.parse(message.replace(/^COMMAND /, ""));
         gScript.sendAsyncMessage(command.name, command.data);
       } else if (/^DONE$/.exec(message)) {
-        ok(true, 'Messaging from iframe complete.');
-        receiverIframe.removeEventListener('mozbrowsershowmodalprompt',
+        ok(true, "Messaging from iframe complete.");
+        receiverIframe.removeEventListener("mozbrowsershowmodalprompt",
                                             receiverListener);
       }
     });
@@ -70,16 +70,16 @@ function setup() {
       aResolve(receiverIframe);
     });
 
-    var obs = SpecialPowers.Cc['@mozilla.org/observer-service;1']
+    var obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
                            .getService(SpecialPowers.Ci.nsIObserverService);
-    obs.notifyObservers(promise, 'setup-request-promise');
+    obs.notifyObservers(promise, "setup-request-promise");
   });
 
-  gScript.addMessageListener('promise-setup-ready', function promiseSetupReadyHandler() {
-    debug('Got message: promise-setup-ready');
-    gScript.removeMessageListener('promise-setup-ready',
+  gScript.addMessageListener("promise-setup-ready", function promiseSetupReadyHandler() {
+    debug("Got message: promise-setup-ready");
+    gScript.removeMessageListener("promise-setup-ready",
                                   promiseSetupReadyHandler);
-    gScript.sendAsyncMessage('trigger-on-session-request', receiverUrl);
+    gScript.sendAsyncMessage("trigger-on-session-request", receiverUrl);
   });
 
   return Promise.resolve();
@@ -87,19 +87,19 @@ function setup() {
 
 function testCreateRequest() {
   return new Promise(function(aResolve, aReject) {
-    info('Sender: --- testCreateRequest ---');
+    info("Sender: --- testCreateRequest ---");
     request = new PresentationRequest(receiverUrl);
     request.getAvailability().then((aAvailability) => {
       is(aAvailability.value, false, "Sender: should have no available device after setup");
       aAvailability.onchange = function() {
         aAvailability.onchange = null;
-        ok(aAvailability.value, 'Sender: Device should be available.');
+        ok(aAvailability.value, "Sender: Device should be available.");
         aResolve();
-      }
+      };
 
-      gScript.sendAsyncMessage('trigger-device-add');
+      gScript.sendAsyncMessage("trigger-device-add");
     }).catch((aError) => {
-      ok(false, 'Sender: Error occurred when getting availability: ' + aError);
+      ok(false, "Sender: Error occurred when getting availability: " + aError);
       teardown();
       aReject();
     });
@@ -110,16 +110,16 @@ function testStartConnection() {
   return new Promise(function(aResolve, aReject) {
     request.start().then((aConnection) => {
       connection = aConnection;
-      ok(connection, 'Sender: Connection should be available.');
-      ok(connection.id, 'Sender: Connection ID should be set.');
-      is(connection.state, 'connecting', 'Sender: The initial state should be connecting.');
+      ok(connection, "Sender: Connection should be available.");
+      ok(connection.id, "Sender: Connection ID should be set.");
+      is(connection.state, "connecting", "Sender: The initial state should be connecting.");
       connection.onconnect = function() {
         connection.onconnect = null;
-        is(connection.state, 'connected', 'Connection should be connected.');
+        is(connection.state, "connected", "Connection should be connected.");
         aResolve();
       };
     }).catch((aError) => {
-      ok(false, 'Sender: Error occurred when establishing a connection: ' + aError);
+      ok(false, "Sender: Error occurred when establishing a connection: " + aError);
       teardown();
       aReject();
     });
@@ -127,50 +127,50 @@ function testStartConnection() {
 }
 
 function testConnectionTerminate() {
-  info('Sender: --- testConnectionTerminate---');
+  info("Sender: --- testConnectionTerminate---");
   let promise = Promise.all([
     new Promise(function(aResolve, aReject) {
       connection.onclose = function() {
         connection.onclose = null;
-        is(connection.state, 'closed', 'Sender: Connection should be closed.');
+        is(connection.state, "closed", "Sender: Connection should be closed.");
         aResolve();
       };
     }),
     new Promise(function(aResolve, aReject) {
       function deviceDisconnectedHandler() {
-        gScript.removeMessageListener('device-disconnected', deviceDisconnectedHandler);
-        ok(true, 'should not receive device disconnect');
+        gScript.removeMessageListener("device-disconnected", deviceDisconnectedHandler);
+        ok(true, "should not receive device disconnect");
         aResolve();
       }
 
-      gScript.addMessageListener('device-disconnected', deviceDisconnectedHandler);
+      gScript.addMessageListener("device-disconnected", deviceDisconnectedHandler);
     }),
     new Promise(function(aResolve, aReject) {
-      receiverIframe.addEventListener('mozbrowserclose', function() {
-        ok(true, 'observe receiver page closing');
+      receiverIframe.addEventListener("mozbrowserclose", function() {
+        ok(true, "observe receiver page closing");
         aResolve();
       });
     })
   ]);
 
-  gScript.addMessageListener('prepare-for-terminate', function prepareForTerminateHandler() {
-    debug('Got message: prepare-for-terminate');
-    gScript.removeMessageListener('prepare-for-terminate', prepareForTerminateHandler);
-    gScript.sendAsyncMessage('trigger-control-channel-error');
-    postMessageToIframe('ready-to-terminate');
+  gScript.addMessageListener("prepare-for-terminate", function prepareForTerminateHandler() {
+    debug("Got message: prepare-for-terminate");
+    gScript.removeMessageListener("prepare-for-terminate", prepareForTerminateHandler);
+    gScript.sendAsyncMessage("trigger-control-channel-error");
+    postMessageToIframe("ready-to-terminate");
   });
 
   return promise;
 }
 
 function teardown() {
-  gScript.addMessageListener('teardown-complete', function teardownCompleteHandler() {
-    debug('Got message: teardown-complete');
-    gScript.removeMessageListener('teardown-complete', teardownCompleteHandler);
+  gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
+    debug("Got message: teardown-complete");
+    gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
     gScript.destroy();
     SimpleTest.finish();
   });
-  gScript.sendAsyncMessage('teardown');
+  gScript.sendAsyncMessage("teardown");
 }
 
 function runTests() {
@@ -181,16 +181,16 @@ function runTests() {
 }
 
 SpecialPowers.pushPermissions([
-  {type: 'presentation-device-manage', allow: false, context: document},
-  {type: 'browser', allow: true, context: document},
+  {type: "presentation-device-manage", allow: false, context: document},
+  {type: "browser", allow: true, context: document},
 ], () => {
-  SpecialPowers.pushPrefEnv({ 'set': [['dom.presentation.enabled', true],
+  SpecialPowers.pushPrefEnv({ "set": [["dom.presentation.enabled", true],
                                       ["dom.presentation.controller.enabled", true],
                                       ["dom.presentation.receiver.enabled", true],
-                                      ['dom.presentation.test.enabled', true],
-                                      ['dom.mozBrowserFramesEnabled', true],
+                                      ["dom.presentation.test.enabled", true],
+                                      ["dom.mozBrowserFramesEnabled", true],
                                       ["network.disable.ipc.security", true],
-                                      ['dom.ipc.tabs.disabled', false],
-                                      ['dom.presentation.test.stage', 0]]},
+                                      ["dom.ipc.tabs.disabled", false],
+                                      ["dom.presentation.test.stage", 0]]},
                             runTests);
 });
diff --git a/dom/presentation/tests/xpcshell/test_multicast_dns_device_provider.js b/dom/presentation/tests/xpcshell/test_multicast_dns_device_provider.js
index 34803e57d1f8..b27ff4425b65 100644
--- a/dom/presentation/tests/xpcshell/test_multicast_dns_device_provider.js
+++ b/dom/presentation/tests/xpcshell/test_multicast_dns_device_provider.js
@@ -19,7 +19,7 @@ const SERVER_CONTRACT_ID = "@mozilla.org/presentation/control-service;1";
 
 const PREF_DISCOVERY = "dom.presentation.discovery.enabled";
 const PREF_DISCOVERABLE = "dom.presentation.discoverable";
-const PREF_DEVICENAME= "dom.presentation.device.name";
+const PREF_DEVICENAME = "dom.presentation.device.name";
 
 const LATEST_VERSION = 1;
 const SERVICE_TYPE = "_presentation-ctrl._tcp";
@@ -36,7 +36,7 @@ function sleep(aMs) {
                   .createInstance(Ci.nsITimer);
 
     timer.initWithCallback({
-      notify: function () {
+      notify() {
         resolve();
       },
     }, aMs, timer.TYPE_ONE_SHOT);
@@ -48,11 +48,11 @@ function MockFactory(aClass) {
   this._cls = aClass;
 }
 MockFactory.prototype = {
-  createInstance: function(aOuter, aIID) {
+  createInstance(aOuter, aIID) {
     if (aOuter) {
       throw Cr.NS_ERROR_NO_AGGREGATION;
     }
-    switch(typeof(this._cls)) {
+    switch (typeof(this._cls)) {
       case "function":
         return new this._cls().QueryInterface(aIID);
       case "object":
@@ -61,7 +61,7 @@ MockFactory.prototype = {
         return null;
     }
   },
-  lockFactory: function(aLock) {
+  lockFactory(aLock) {
     throw Cr.NS_ERROR_NOT_IMPLEMENTED;
   },
   QueryInterface: ChromeUtils.generateQI([Ci.nsIFactory])
@@ -82,7 +82,7 @@ function ContractHook(aContractID, aClass) {
 ContractHook.prototype = {
   hookedMap: new Map(), // remember only the most original factory.
 
-  init: function() {
+  init() {
     this.reset();
 
     let oldContract = this.unregister();
@@ -95,9 +95,9 @@ ContractHook.prototype = {
     registerCleanupFunction(() => { this.cleanup.apply(this); });
   },
 
-  reset: function() {},
+  reset() {},
 
-  cleanup: function() {
+  cleanup() {
     this.reset();
 
     this.unregister();
@@ -111,7 +111,7 @@ ContractHook.prototype = {
     }
   },
 
-  unregister: function() {
+  unregister() {
     var classID, factory;
 
     try {
@@ -126,7 +126,7 @@ ContractHook.prototype = {
       registrar.unregisterFactory(classID, factory);
     }
 
-    return { classID: classID, factory: factory };
+    return { classID, factory };
   }
 };
 
@@ -198,12 +198,12 @@ TestPresentationDeviceListener.prototype = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                           Ci.nsISupportsWeakReference]),
 
-  addDevice: function(device) { this.devices[device.id] = device; },
-  removeDevice: function(device) { delete this.devices[device.id]; },
-  updateDevice: function(device) { this.devices[device.id] = device; },
-  onSessionRequest: function(device, url, presentationId, controlChannel) {},
+  addDevice(device) { this.devices[device.id] = device; },
+  removeDevice(device) { delete this.devices[device.id]; },
+  updateDevice(device) { this.devices[device.id] = device; },
+  onSessionRequest(device, url, presentationId, controlChannel) {},
 
-  count: function() {
+  count() {
     var size = 0, key;
     for (key in this.devices) {
         if (this.devices.hasOwnProperty(key)) {
@@ -233,8 +233,8 @@ function registerService() {
 
   let mockObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {},
-    registerService: function(serviceInfo, listener) {
+    startDiscovery(serviceType, listener) {},
+    registerService(serviceInfo, listener) {
       deferred.resolve();
       this.serviceRegistered++;
       return {
@@ -244,7 +244,7 @@ function registerService() {
         }
       };
     },
-    resolveService: function(serviceInfo, listener) {},
+    resolveService(serviceInfo, listener) {},
     serviceRegistered: 0,
     serviceUnregistered: 0
   };
@@ -258,9 +258,9 @@ function registerService() {
   provider.listener = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                             Ci.nsISupportsWeakReference]),
-    addDevice: function(device) {},
-    removeDevice: function(device) {},
-    updateDevice: function(device) {},
+    addDevice(device) {},
+    removeDevice(device) {},
+    updateDevice(device) {},
   };
 
   deferred.promise.then(function() {
@@ -283,12 +283,12 @@ function noRegisterService() {
 
   let mockObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {},
-    registerService: function(serviceInfo, listener) {
+    startDiscovery(serviceType, listener) {},
+    registerService(serviceInfo, listener) {
       deferred.resolve();
       Assert.ok(false, "should not register service if not discoverable");
     },
-    resolveService: function(serviceInfo, listener) {},
+    resolveService(serviceInfo, listener) {},
   };
 
   let contractHook = new ContractHook(SD_CONTRACT_ID, mockObj);
@@ -298,9 +298,9 @@ function noRegisterService() {
   provider.listener = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                             Ci.nsISupportsWeakReference]),
-    addDevice: function(device) {},
-    removeDevice: function(device) {},
-    updateDevice: function(device) {},
+    addDevice(device) {},
+    removeDevice(device) {},
+    updateDevice(device) {},
   };
 
   let race = Promise.race([
@@ -322,8 +322,8 @@ function registerServiceDynamically() {
 
   let mockObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {},
-    registerService: function(serviceInfo, listener) {
+    startDiscovery(serviceType, listener) {},
+    registerService(serviceInfo, listener) {
       deferred.resolve();
       this.serviceRegistered++;
       return {
@@ -333,7 +333,7 @@ function registerServiceDynamically() {
         }
       };
     },
-    resolveService: function(serviceInfo, listener) {},
+    resolveService(serviceInfo, listener) {},
     serviceRegistered: 0,
     serviceUnregistered: 0
   };
@@ -347,9 +347,9 @@ function registerServiceDynamically() {
   provider.listener = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                             Ci.nsISupportsWeakReference]),
-    addDevice: function(device) {},
-    removeDevice: function(device) {},
-    updateDevice: function(device) {},
+    addDevice(device) {},
+    removeDevice(device) {},
+    updateDevice(device) {},
   };
 
   Assert.equal(mockObj.serviceRegistered, 0);
@@ -385,7 +385,7 @@ function addDevice() {
                                 SERVICE_TYPE);
   let mockObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {
+    startDiscovery(serviceType, listener) {
       listener.onDiscoveryStarted(serviceType);
       listener.onServiceFound(createDevice("",
                                            0,
@@ -393,11 +393,11 @@ function addDevice() {
                                            mockDevice.serviceType));
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
-        cancel: function() {}
+        cancel() {}
       };
     },
-    registerService: function(serviceInfo, listener) {},
-    resolveService: function(serviceInfo, listener) {
+    registerService(serviceInfo, listener) {},
+    resolveService(serviceInfo, listener) {
       Assert.equal(serviceInfo.serviceName, mockDevice.serviceName);
       Assert.equal(serviceInfo.serviceType, mockDevice.serviceType);
       listener.onServiceResolved(createDevice(mockDevice.host,
@@ -435,7 +435,7 @@ function filterDevice() {
                                 SERVICE_TYPE);
   let mockObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {
+    startDiscovery(serviceType, listener) {
       listener.onDiscoveryStarted(serviceType);
       listener.onServiceFound(createDevice("",
                                            0,
@@ -443,11 +443,11 @@ function filterDevice() {
                                            mockDevice.serviceType));
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
-        cancel: function() {}
+        cancel() {}
       };
     },
-    registerService: function(serviceInfo, listener) {},
-    resolveService: function(serviceInfo, listener) {
+    registerService(serviceInfo, listener) {},
+    resolveService(serviceInfo, listener) {
       Assert.equal(serviceInfo.serviceName, mockDevice.serviceName);
       Assert.equal(serviceInfo.serviceType, mockDevice.serviceType);
       listener.onServiceResolved(createDevice(mockDevice.host,
@@ -462,7 +462,7 @@ function filterDevice() {
   let listener = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                             Ci.nsISupportsWeakReference]),
-    addDevice: function(device) {
+    addDevice(device) {
       let tests = [
         { requestedUrl: "app://fling-player.gaiamobile.org/index.html", supported: true },
         { requestedUrl: "app://notification-receiver.gaiamobile.org/index.html", supported: true },
@@ -481,9 +481,9 @@ function filterDevice() {
       provider = null;
       run_next_test();
     },
-    updateDevice: function() {},
-    removeDevice: function() {},
-    onSessionRequest: function() {},
+    updateDevice() {},
+    removeDevice() {},
+    onSessionRequest() {},
   };
 
   provider.listener = listener;
@@ -505,7 +505,7 @@ function handleSessionRequest() {
                                 SERVICE_TYPE);
   let mockSDObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {
+    startDiscovery(serviceType, listener) {
       listener.onDiscoveryStarted(serviceType);
       listener.onServiceFound(createDevice("",
                                            0,
@@ -513,11 +513,11 @@ function handleSessionRequest() {
                                            mockDevice.serviceType));
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
-        cancel: function() {}
+        cancel() {}
       };
     },
-    registerService: function(serviceInfo, listener) {},
-    resolveService: function(serviceInfo, listener) {
+    registerService(serviceInfo, listener) {},
+    resolveService(serviceInfo, listener) {
       listener.onServiceResolved(createDevice(mockDevice.host,
                                               mockDevice.port,
                                               mockDevice.serviceName,
@@ -527,9 +527,9 @@ function handleSessionRequest() {
 
   let mockServerObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlService]),
-    connect: function(deviceInfo) {
+    connect(deviceInfo) {
       this.request = {
-        deviceInfo: deviceInfo,
+        deviceInfo,
       };
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlChannel]),
@@ -537,7 +537,7 @@ function handleSessionRequest() {
     },
     id: "",
     version: LATEST_VERSION,
-    isCompatibleServer: function(version) {
+    isCompatibleServer(version) {
       return this.version === version;
     }
   };
@@ -548,7 +548,7 @@ function handleSessionRequest() {
   let listener = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                             Ci.nsISupportsWeakReference]),
-    addDevice: function(device) {
+    addDevice(device) {
       this.device = device;
     },
   };
@@ -577,7 +577,7 @@ function handleOnSessionRequest() {
                                 SERVICE_TYPE);
   let mockSDObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {
+    startDiscovery(serviceType, listener) {
       listener.onDiscoveryStarted(serviceType);
       listener.onServiceFound(createDevice("",
                                            0,
@@ -585,11 +585,11 @@ function handleOnSessionRequest() {
                                            mockDevice.serviceType));
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
-        cancel: function() {}
+        cancel() {}
       };
     },
-    registerService: function(serviceInfo, listener) {},
-    resolveService: function(serviceInfo, listener) {
+    registerService(serviceInfo, listener) {},
+    resolveService(serviceInfo, listener) {
       listener.onServiceResolved(createDevice(mockDevice.host,
                                               mockDevice.port,
                                               mockDevice.serviceName,
@@ -599,10 +599,10 @@ function handleOnSessionRequest() {
 
   let mockServerObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlService]),
-    startServer: function() {},
-    sessionRequest: function() {},
-    close: function() {},
-    id: '',
+    startServer() {},
+    sessionRequest() {},
+    close() {},
+    id: "",
     version: LATEST_VERSION,
     port: 0,
     listener: null,
@@ -614,15 +614,15 @@ function handleOnSessionRequest() {
   let listener = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                             Ci.nsISupportsWeakReference]),
-    addDevice: function(device) {},
-    removeDevice: function(device) {},
-    updateDevice: function(device) {},
-    onSessionRequest: function(device, url, presentationId, controlChannel) {
+    addDevice(device) {},
+    removeDevice(device) {},
+    updateDevice(device) {},
+    onSessionRequest(device, url, presentationId, controlChannel) {
       Assert.ok(true, "receive onSessionRequest event");
       this.request = {
         deviceId: device.id,
-        url: url,
-        presentationId: presentationId,
+        url,
+        presentationId,
       };
     }
   };
@@ -659,17 +659,17 @@ function handleOnSessionRequestFromUnknownDevice() {
 
   let mockSDObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {},
-    registerService: function(serviceInfo, listener) {},
-    resolveService: function(serviceInfo, listener) {}
+    startDiscovery(serviceType, listener) {},
+    registerService(serviceInfo, listener) {},
+    resolveService(serviceInfo, listener) {}
   };
 
   let mockServerObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlService]),
-    startServer: function() {},
-    sessionRequest: function() {},
-    close: function() {},
-    id: '',
+    startServer() {},
+    sessionRequest() {},
+    close() {},
+    id: "",
     version: LATEST_VERSION,
     port: 0,
     listener: null,
@@ -681,21 +681,21 @@ function handleOnSessionRequestFromUnknownDevice() {
   let listener = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                             Ci.nsISupportsWeakReference]),
-    addDevice: function(device) {
+    addDevice(device) {
       Assert.ok(false, "shouldn't create any new device");
     },
-    removeDevice: function(device) {
+    removeDevice(device) {
       Assert.ok(false, "shouldn't remote any device");
     },
-    updateDevice: function(device) {
+    updateDevice(device) {
       Assert.ok(false, "shouldn't update any device");
     },
-    onSessionRequest: function(device, url, presentationId, controlChannel) {
+    onSessionRequest(device, url, presentationId, controlChannel) {
       Assert.ok(true, "receive onSessionRequest event");
       this.request = {
         deviceId: device.id,
-        url: url,
-        presentationId: presentationId,
+        url,
+        presentationId,
       };
     }
   };
@@ -732,11 +732,11 @@ function noAddDevice() {
   let mockDevice = createDevice("device.local", 12345, "service.name", SERVICE_TYPE);
   let mockObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {
+    startDiscovery(serviceType, listener) {
       Assert.ok(false, "shouldn't perform any device discovery");
     },
-    registerService: function(serviceInfo, listener) {},
-    resolveService: function(serviceInfo, listener) {
+    registerService(serviceInfo, listener) {},
+    resolveService(serviceInfo, listener) {
     }
   };
   let contractHook = new ContractHook(SD_CONTRACT_ID, mockObj);
@@ -745,9 +745,9 @@ function noAddDevice() {
   let listener = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                             Ci.nsISupportsWeakReference]),
-    addDevice: function(device) {},
-    removeDevice: function(device) {},
-    updateDevice: function(device) {},
+    addDevice(device) {},
+    removeDevice(device) {},
+    updateDevice(device) {},
   };
   provider.listener = listener;
   provider.forceDiscovery();
@@ -769,7 +769,7 @@ function ignoreIncompatibleDevice() {
 
   let mockSDObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {
+    startDiscovery(serviceType, listener) {
       listener.onDiscoveryStarted(serviceType);
       listener.onServiceFound(createDevice("",
                                            0,
@@ -777,10 +777,10 @@ function ignoreIncompatibleDevice() {
                                            mockDevice.serviceType));
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
-        cancel: function() {}
+        cancel() {}
       };
     },
-    registerService: function(serviceInfo, listener) {
+    registerService(serviceInfo, listener) {
       deferred.resolve();
       listener.onServiceRegistered(createDevice("",
                                                 54321,
@@ -788,10 +788,10 @@ function ignoreIncompatibleDevice() {
                                                 mockDevice.serviceType));
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
-        cancel: function() {}
+        cancel() {}
       };
     },
-    resolveService: function(serviceInfo, listener) {
+    resolveService(serviceInfo, listener) {
       Assert.equal(serviceInfo.serviceName, mockDevice.serviceName);
       Assert.equal(serviceInfo.serviceType, mockDevice.serviceType);
       listener.onServiceResolved(createDevice(mockDevice.host,
@@ -803,20 +803,20 @@ function ignoreIncompatibleDevice() {
 
   let mockServerObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlService]),
-    startServer: function() {
+    startServer() {
       Services.tm.dispatchToMainThread(() => {
         this.listener.onServerReady(this.port, this.certFingerprint);
       });
     },
-    sessionRequest: function() {},
-    close: function() {},
-    id: '',
+    sessionRequest() {},
+    close() {},
+    id: "",
     version: LATEST_VERSION,
-    isCompatibleServer: function(version) {
+    isCompatibleServer(version) {
       return false;
     },
     port: 54321,
-    certFingerprint: 'mock-cert-fingerprint',
+    certFingerprint: "mock-cert-fingerprint",
     listener: null,
   };
 
@@ -854,7 +854,7 @@ function ignoreSelfDevice() {
   let deferred = Promise.defer();
   let mockSDObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {
+    startDiscovery(serviceType, listener) {
       listener.onDiscoveryStarted(serviceType);
       listener.onServiceFound(createDevice("",
                                            0,
@@ -862,10 +862,10 @@ function ignoreSelfDevice() {
                                            mockDevice.serviceType));
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
-        cancel: function() {}
+        cancel() {}
       };
     },
-    registerService: function(serviceInfo, listener) {
+    registerService(serviceInfo, listener) {
       deferred.resolve();
       listener.onServiceRegistered(createDevice("",
                                                 0,
@@ -873,10 +873,10 @@ function ignoreSelfDevice() {
                                                 mockDevice.serviceType));
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
-        cancel: function() {}
+        cancel() {}
       };
     },
-    resolveService: function(serviceInfo, listener) {
+    resolveService(serviceInfo, listener) {
       Assert.equal(serviceInfo.serviceName, mockDevice.serviceName);
       Assert.equal(serviceInfo.serviceType, mockDevice.serviceType);
       listener.onServiceResolved(createDevice(mockDevice.host,
@@ -888,20 +888,20 @@ function ignoreSelfDevice() {
 
   let mockServerObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlService]),
-    startServer: function() {
+    startServer() {
       Services.tm.dispatchToMainThread(() => {
         this.listener.onServerReady(this.port, this.certFingerprint);
       });
     },
-    sessionRequest: function() {},
-    close: function() {},
-    id: '',
+    sessionRequest() {},
+    close() {},
+    id: "",
     version: LATEST_VERSION,
-    isCompatibleServer: function(version) {
+    isCompatibleServer(version) {
       return this.version === version;
     },
     port: 54321,
-    certFingerprint: 'mock-cert-fingerprint',
+    certFingerprint: "mock-cert-fingerprint",
     listener: null,
   };
 
@@ -935,7 +935,7 @@ function addDeviceDynamically() {
                                 SERVICE_TYPE);
   let mockObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {
+    startDiscovery(serviceType, listener) {
       listener.onDiscoveryStarted(serviceType);
       listener.onServiceFound(createDevice("",
                                            0,
@@ -943,11 +943,11 @@ function addDeviceDynamically() {
                                            mockDevice.serviceType));
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
-        cancel: function() {}
+        cancel() {}
       };
     },
-    registerService: function(serviceInfo, listener) {},
-    resolveService: function(serviceInfo, listener) {
+    registerService(serviceInfo, listener) {},
+    resolveService(serviceInfo, listener) {
       Assert.equal(serviceInfo.serviceName, mockDevice.serviceName);
       Assert.equal(serviceInfo.serviceType, mockDevice.serviceType);
       listener.onServiceResolved(createDevice(mockDevice.host,
@@ -992,7 +992,7 @@ function updateDevice() {
     discovered: false,
 
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {
+    startDiscovery(serviceType, listener) {
       listener.onDiscoveryStarted(serviceType);
 
       if (!this.discovered) {
@@ -1004,13 +1004,13 @@ function updateDevice() {
 
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
-        cancel: function() {
+        cancel() {
           listener.onDiscoveryStopped(serviceType);
         }
       };
     },
-    registerService: function(serviceInfo, listener) {},
-    resolveService: function(serviceInfo, listener) {
+    registerService(serviceInfo, listener) {},
+    resolveService(serviceInfo, listener) {
       Assert.equal(serviceInfo.serviceType, SERVICE_TYPE);
       if (serviceInfo.serviceName == "N1") {
         listener.onServiceResolved(mockDevice1);
@@ -1028,14 +1028,14 @@ function updateDevice() {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                             Ci.nsISupportsWeakReference]),
 
-    addDevice: function(device) {
+    addDevice(device) {
       Assert.ok(!this.isDeviceAdded);
       Assert.equal(device.id, mockDevice1.host);
       Assert.equal(device.name, mockDevice1.serviceName);
       this.isDeviceAdded = true;
     },
-    removeDevice: function(device) { Assert.ok(false); },
-    updateDevice: function(device) {
+    removeDevice(device) { Assert.ok(false); },
+    updateDevice(device) {
       Assert.ok(!this.isDeviceUpdated);
       Assert.equal(device.id, mockDevice2.host);
       Assert.equal(device.name, mockDevice2.serviceName);
@@ -1079,7 +1079,7 @@ function diffDiscovery() {
     discovered: false,
 
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {
+    startDiscovery(serviceType, listener) {
       listener.onDiscoveryStarted(serviceType);
 
       if (!this.discovered) {
@@ -1093,13 +1093,13 @@ function diffDiscovery() {
 
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
-        cancel: function() {
+        cancel() {
           listener.onDiscoveryStopped(serviceType);
         }
       };
     },
-    registerService: function(serviceInfo, listener) {},
-    resolveService: function(serviceInfo, listener) {
+    registerService(serviceInfo, listener) {},
+    resolveService(serviceInfo, listener) {
       Assert.equal(serviceInfo.serviceType, SERVICE_TYPE);
       if (serviceInfo.serviceName == "N1") {
         listener.onServiceResolved(mockDevice1);
@@ -1121,9 +1121,9 @@ function diffDiscovery() {
   // Start discovery
   provider.listener = listener; // discover: N1, N2
   Assert.equal(listener.count(), 2);
-  Assert.equal(listener.devices['A.local'].name, mockDevice1.serviceName);
-  Assert.equal(listener.devices['B.local'].name, mockDevice2.serviceName);
-  Assert.ok(!listener.devices['C.local']);
+  Assert.equal(listener.devices["A.local"].name, mockDevice1.serviceName);
+  Assert.equal(listener.devices["B.local"].name, mockDevice2.serviceName);
+  Assert.ok(!listener.devices["C.local"]);
 
   // temporarily disable to stop discovery and re-enable
   Services.prefs.setBoolPref(PREF_DISCOVERY, false);
@@ -1131,9 +1131,9 @@ function diffDiscovery() {
 
   provider.forceDiscovery(); // discover: N1, N3, going to remove: N2
   Assert.equal(listener.count(), 3);
-  Assert.equal(listener.devices['A.local'].name, mockDevice1.serviceName);
-  Assert.equal(listener.devices['B.local'].name, mockDevice2.serviceName);
-  Assert.equal(listener.devices['C.local'].name, mockDevice3.serviceName);
+  Assert.equal(listener.devices["A.local"].name, mockDevice1.serviceName);
+  Assert.equal(listener.devices["B.local"].name, mockDevice2.serviceName);
+  Assert.equal(listener.devices["C.local"].name, mockDevice3.serviceName);
 
   // temporarily disable to stop discovery and re-enable
   Services.prefs.setBoolPref(PREF_DISCOVERY, false);
@@ -1141,9 +1141,9 @@ function diffDiscovery() {
 
   provider.forceDiscovery(); // discover: N1, N3, remove: N2
   Assert.equal(listener.count(), 2);
-  Assert.equal(listener.devices['A.local'].name, mockDevice1.serviceName);
-  Assert.ok(!listener.devices['B.local']);
-  Assert.equal(listener.devices['C.local'].name, mockDevice3.serviceName);
+  Assert.equal(listener.devices["A.local"].name, mockDevice1.serviceName);
+  Assert.ok(!listener.devices["B.local"]);
+  Assert.equal(listener.devices["C.local"].name, mockDevice3.serviceName);
 
   provider.listener = null;
 
@@ -1161,7 +1161,7 @@ function serverClosed() {
 
   let mockObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {
+    startDiscovery(serviceType, listener) {
       listener.onDiscoveryStarted(serviceType);
       listener.onServiceFound(createDevice("",
                                            0,
@@ -1169,10 +1169,10 @@ function serverClosed() {
                                            mockDevice.serviceType));
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
-        cancel: function() {}
+        cancel() {}
       };
     },
-    registerService: function(serviceInfo, listener) {
+    registerService(serviceInfo, listener) {
       this.serviceRegistered++;
       return {
         QueryInterface: ChromeUtils.generateQI([Ci.nsICancelable]),
@@ -1181,7 +1181,7 @@ function serverClosed() {
         }
       };
     },
-    resolveService: function(serviceInfo, listener) {
+    resolveService(serviceInfo, listener) {
       Assert.equal(serviceInfo.serviceName, mockDevice.serviceName);
       Assert.equal(serviceInfo.serviceType, mockDevice.serviceType);
       listener.onServiceResolved(createDevice(mockDevice.host,
@@ -1202,9 +1202,9 @@ function serverClosed() {
   let listener = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                             Ci.nsISupportsWeakReference]),
-    addDevice: function(device) { this.devices.push(device); },
-    removeDevice: function(device) {},
-    updateDevice: function(device) {},
+    addDevice(device) { this.devices.push(device); },
+    removeDevice(device) {},
+    updateDevice(device) {},
     devices: []
   };
   Assert.equal(listener.devices.length, 0);
@@ -1216,7 +1216,7 @@ function serverClosed() {
 
   let serverListener = provider.QueryInterface(Ci.nsIPresentationControlServerListener);
   let randomPort = 9527;
-  serverListener.onServerReady(randomPort, '');
+  serverListener.onServerReady(randomPort, "");
 
   Assert.equal(mockObj.serviceRegistered, 2);
   Assert.equal(mockObj.serviceUnregistered, 1);
@@ -1239,18 +1239,18 @@ function serverRetry() {
 
   let mockSDObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIDNSServiceDiscovery]),
-    startDiscovery: function(serviceType, listener) {},
-    registerService: function(serviceInfo, listener) {
+    startDiscovery(serviceType, listener) {},
+    registerService(serviceInfo, listener) {
       Assert.ok(isRetrying, "register service after retrying startServer");
       provider.listener = null;
       run_next_test();
     },
-    resolveService: function(serviceInfo, listener) {}
+    resolveService(serviceInfo, listener) {}
   };
 
   let mockServerObj = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlService]),
-    startServer: function(encrypted, port) {
+    startServer(encrypted, port) {
       if (!isRetrying) {
         isRetrying = true;
         Services.tm.dispatchToMainThread(() => {
@@ -1263,12 +1263,12 @@ function serverRetry() {
         });
       }
     },
-    sessionRequest: function() {},
-    close: function() {},
-    id: '',
+    sessionRequest() {},
+    close() {},
+    id: "",
     version: LATEST_VERSION,
     port: 0,
-    certFingerprint: 'mock-cert-fingerprint',
+    certFingerprint: "mock-cert-fingerprint",
     listener: null,
   };
 
@@ -1278,10 +1278,10 @@ function serverRetry() {
   let listener = {
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                             Ci.nsISupportsWeakReference]),
-    addDevice: function(device) {},
-    removeDevice: function(device) {},
-    updateDevice: function(device) {},
-    onSessionRequest: function(device, url, presentationId, controlChannel) {}
+    addDevice(device) {},
+    removeDevice(device) {},
+    updateDevice(device) {},
+    onSessionRequest(device, url, presentationId, controlChannel) {}
   };
 
   provider.listener = listener;
diff --git a/dom/presentation/tests/xpcshell/test_presentation_device_manager.js b/dom/presentation/tests/xpcshell/test_presentation_device_manager.js
index e9a054b00ed6..49655ea49a6a 100644
--- a/dom/presentation/tests/xpcshell/test_presentation_device_manager.js
+++ b/dom/presentation/tests/xpcshell/test_presentation_device_manager.js
@@ -2,12 +2,12 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 
-'use strict';
+"use strict";
 
-ChromeUtils.import('resource://gre/modules/XPCOMUtils.jsm');
-ChromeUtils.import('resource://gre/modules/Services.jsm');
+ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
+ChromeUtils.import("resource://gre/modules/Services.jsm");
 
-const manager = Cc['@mozilla.org/presentation-device/manager;1']
+const manager = Cc["@mozilla.org/presentation-device/manager;1"]
                   .getService(Ci.nsIPresentationDeviceManager);
 
 function TestPresentationDevice() {}
@@ -17,12 +17,12 @@ function TestPresentationControlChannel() {}
 
 TestPresentationControlChannel.prototype = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlChannel]),
-  sendOffer: function(offer) {},
-  sendAnswer: function(answer) {},
-  disconnect: function() {},
-  launch: function() {},
-  terminate: function() {},
-  reconnect: function() {},
+  sendOffer(offer) {},
+  sendAnswer(answer) {},
+  disconnect() {},
+  launch() {},
+  terminate() {},
+  reconnect() {},
   set listener(listener) {},
   get listener() {},
 };
@@ -30,7 +30,7 @@ TestPresentationControlChannel.prototype = {
 var testProvider = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDeviceProvider]),
 
-  forceDiscovery: function() {
+  forceDiscovery() {
   },
   set listener(listener) {
   },
@@ -38,26 +38,26 @@ var testProvider = {
   },
 };
 
-const forbiddenRequestedUrl = 'http://example.com';
+const forbiddenRequestedUrl = "http://example.com";
 var testDevice = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationDevice]),
-  id: 'id',
-  name: 'name',
-  type: 'type',
-  establishControlChannel: function(url, presentationId) {
+  id: "id",
+  name: "name",
+  type: "type",
+  establishControlChannel(url, presentationId) {
     return null;
   },
-  disconnect: function() {},
-  isRequestedUrlSupported: function(requestedUrl) {
+  disconnect() {},
+  isRequestedUrlSupported(requestedUrl) {
     return forbiddenRequestedUrl !== requestedUrl;
   },
 };
 
 function addProvider() {
-  Object.defineProperty(testProvider, 'listener', {
+  Object.defineProperty(testProvider, "listener", {
     configurable: true,
-    set: function(listener) {
-      Assert.strictEqual(listener, manager, 'listener setter is invoked by PresentationDeviceManager');
+    set(listener) {
+      Assert.strictEqual(listener, manager, "listener setter is invoked by PresentationDeviceManager");
       delete testProvider.listener;
       run_next_test();
     },
@@ -68,7 +68,7 @@ function addProvider() {
 function forceDiscovery() {
   testProvider.forceDiscovery = function() {
     testProvider.forceDiscovery = function() {};
-    Assert.ok(true, 'forceDiscovery is invoked by PresentationDeviceManager');
+    Assert.ok(true, "forceDiscovery is invoked by PresentationDeviceManager");
     run_next_test();
   };
   manager.forceDiscovery();
@@ -79,23 +79,23 @@ function addDevice() {
     Services.obs.removeObserver(observer, topic);
 
     let updatedDevice = subject.QueryInterface(Ci.nsIPresentationDevice);
-    Assert.equal(updatedDevice.id, testDevice.id, 'expected device id');
-    Assert.equal(updatedDevice.name, testDevice.name, 'expected device name');
-    Assert.equal(updatedDevice.type, testDevice.type, 'expected device type');
-    Assert.equal(data, 'add', 'expected update type');
+    Assert.equal(updatedDevice.id, testDevice.id, "expected device id");
+    Assert.equal(updatedDevice.name, testDevice.name, "expected device name");
+    Assert.equal(updatedDevice.type, testDevice.type, "expected device type");
+    Assert.equal(data, "add", "expected update type");
 
-    Assert.ok(manager.deviceAvailable, 'device is available');
+    Assert.ok(manager.deviceAvailable, "device is available");
 
     let devices = manager.getAvailableDevices();
-    Assert.equal(devices.length, 1, 'expect 1 available device');
+    Assert.equal(devices.length, 1, "expect 1 available device");
 
     let device = devices.queryElementAt(0, Ci.nsIPresentationDevice);
-    Assert.equal(device.id, testDevice.id, 'expected device id');
-    Assert.equal(device.name, testDevice.name, 'expected device name');
-    Assert.equal(device.type, testDevice.type, 'expected device type');
+    Assert.equal(device.id, testDevice.id, "expected device id");
+    Assert.equal(device.name, testDevice.name, "expected device name");
+    Assert.equal(device.type, testDevice.type, "expected device type");
 
     run_next_test();
-  }, 'presentation-device-change');
+  }, "presentation-device-change");
   manager.QueryInterface(Ci.nsIPresentationDeviceListener).addDevice(testDevice);
 }
 
@@ -104,59 +104,59 @@ function updateDevice() {
     Services.obs.removeObserver(observer, topic);
 
     let updatedDevice = subject.QueryInterface(Ci.nsIPresentationDevice);
-    Assert.equal(updatedDevice.id, testDevice.id, 'expected device id');
-    Assert.equal(updatedDevice.name, testDevice.name, 'expected device name');
-    Assert.equal(updatedDevice.type, testDevice.type, 'expected device type');
-    Assert.equal(data, 'update', 'expected update type');
+    Assert.equal(updatedDevice.id, testDevice.id, "expected device id");
+    Assert.equal(updatedDevice.name, testDevice.name, "expected device name");
+    Assert.equal(updatedDevice.type, testDevice.type, "expected device type");
+    Assert.equal(data, "update", "expected update type");
 
-    Assert.ok(manager.deviceAvailable, 'device is available');
+    Assert.ok(manager.deviceAvailable, "device is available");
 
     let devices = manager.getAvailableDevices();
-    Assert.equal(devices.length, 1, 'expect 1 available device');
+    Assert.equal(devices.length, 1, "expect 1 available device");
 
     let device = devices.queryElementAt(0, Ci.nsIPresentationDevice);
-    Assert.equal(device.id, testDevice.id, 'expected device id');
-    Assert.equal(device.name, testDevice.name, 'expected name after device update');
-    Assert.equal(device.type, testDevice.type, 'expected device type');
+    Assert.equal(device.id, testDevice.id, "expected device id");
+    Assert.equal(device.name, testDevice.name, "expected name after device update");
+    Assert.equal(device.type, testDevice.type, "expected device type");
 
     run_next_test();
-  }, 'presentation-device-change');
-  testDevice.name = 'updated-name';
+  }, "presentation-device-change");
+  testDevice.name = "updated-name";
   manager.QueryInterface(Ci.nsIPresentationDeviceListener).updateDevice(testDevice);
 }
 
 function filterDevice() {
-  let presentationUrls = Cc['@mozilla.org/array;1'].createInstance(Ci.nsIMutableArray);
-  let url = Cc['@mozilla.org/supports-string;1'].createInstance(Ci.nsISupportsString);
+  let presentationUrls = Cc["@mozilla.org/array;1"].createInstance(Ci.nsIMutableArray);
+  let url = Cc["@mozilla.org/supports-string;1"].createInstance(Ci.nsISupportsString);
   url.data = forbiddenRequestedUrl;
   presentationUrls.appendElement(url);
   let devices = manager.getAvailableDevices(presentationUrls);
-  Assert.equal(devices.length, 0, 'expect 0 available device for example.com');
+  Assert.equal(devices.length, 0, "expect 0 available device for example.com");
   run_next_test();
 }
 
 function sessionRequest() {
-  let testUrl = 'http://www.example.org/';
-  let testPresentationId = 'test-presentation-id';
+  let testUrl = "http://www.example.org/";
+  let testPresentationId = "test-presentation-id";
   let testControlChannel = new TestPresentationControlChannel();
   Services.obs.addObserver(function observer(subject, topic, data) {
     Services.obs.removeObserver(observer, topic);
 
     let request = subject.QueryInterface(Ci.nsIPresentationSessionRequest);
 
-    Assert.equal(request.device.id, testDevice.id, 'expected device');
-    Assert.equal(request.url, testUrl, 'expected requesting URL');
-    Assert.equal(request.presentationId, testPresentationId, 'expected presentation Id');
+    Assert.equal(request.device.id, testDevice.id, "expected device");
+    Assert.equal(request.url, testUrl, "expected requesting URL");
+    Assert.equal(request.presentationId, testPresentationId, "expected presentation Id");
 
     run_next_test();
-  }, 'presentation-session-request');
+  }, "presentation-session-request");
   manager.QueryInterface(Ci.nsIPresentationDeviceListener)
          .onSessionRequest(testDevice, testUrl, testPresentationId, testControlChannel);
 }
 
 function terminateRequest() {
-  let testUrl = 'http://www.example.org/';
-  let testPresentationId = 'test-presentation-id';
+  let testUrl = "http://www.example.org/";
+  let testPresentationId = "test-presentation-id";
   let testControlChannel = new TestPresentationControlChannel();
   let testIsFromReceiver = true;
   Services.obs.addObserver(function observer(subject, topic, data) {
@@ -164,32 +164,32 @@ function terminateRequest() {
 
     let request = subject.QueryInterface(Ci.nsIPresentationTerminateRequest);
 
-    Assert.equal(request.device.id, testDevice.id, 'expected device');
-    Assert.equal(request.presentationId, testPresentationId, 'expected presentation Id');
-    Assert.equal(request.isFromReceiver, testIsFromReceiver, 'expected isFromReceiver');
+    Assert.equal(request.device.id, testDevice.id, "expected device");
+    Assert.equal(request.presentationId, testPresentationId, "expected presentation Id");
+    Assert.equal(request.isFromReceiver, testIsFromReceiver, "expected isFromReceiver");
 
     run_next_test();
-  }, 'presentation-terminate-request');
+  }, "presentation-terminate-request");
   manager.QueryInterface(Ci.nsIPresentationDeviceListener)
          .onTerminateRequest(testDevice, testPresentationId,
                              testControlChannel, testIsFromReceiver);
 }
 
 function reconnectRequest() {
-  let testUrl = 'http://www.example.org/';
-  let testPresentationId = 'test-presentation-id';
+  let testUrl = "http://www.example.org/";
+  let testPresentationId = "test-presentation-id";
   let testControlChannel = new TestPresentationControlChannel();
   Services.obs.addObserver(function observer(subject, topic, data) {
     Services.obs.removeObserver(observer, topic);
 
     let request = subject.QueryInterface(Ci.nsIPresentationSessionRequest);
 
-    Assert.equal(request.device.id, testDevice.id, 'expected device');
-    Assert.equal(request.url, testUrl, 'expected requesting URL');
-    Assert.equal(request.presentationId, testPresentationId, 'expected presentation Id');
+    Assert.equal(request.device.id, testDevice.id, "expected device");
+    Assert.equal(request.url, testUrl, "expected requesting URL");
+    Assert.equal(request.presentationId, testPresentationId, "expected presentation Id");
 
     run_next_test();
-  }, 'presentation-reconnect-request');
+  }, "presentation-reconnect-request");
   manager.QueryInterface(Ci.nsIPresentationDeviceListener)
          .onReconnectRequest(testDevice, testUrl, testPresentationId, testControlChannel);
 }
@@ -199,26 +199,26 @@ function removeDevice() {
     Services.obs.removeObserver(observer, topic);
 
     let updatedDevice = subject.QueryInterface(Ci.nsIPresentationDevice);
-    Assert.equal(updatedDevice.id, testDevice.id, 'expected device id');
-    Assert.equal(updatedDevice.name, testDevice.name, 'expected device name');
-    Assert.equal(updatedDevice.type, testDevice.type, 'expected device type');
-    Assert.equal(data, 'remove', 'expected update type');
+    Assert.equal(updatedDevice.id, testDevice.id, "expected device id");
+    Assert.equal(updatedDevice.name, testDevice.name, "expected device name");
+    Assert.equal(updatedDevice.type, testDevice.type, "expected device type");
+    Assert.equal(data, "remove", "expected update type");
 
-    Assert.ok(!manager.deviceAvailable, 'device is not available');
+    Assert.ok(!manager.deviceAvailable, "device is not available");
 
     let devices = manager.getAvailableDevices();
-    Assert.equal(devices.length, 0, 'expect 0 available device');
+    Assert.equal(devices.length, 0, "expect 0 available device");
 
     run_next_test();
-  }, 'presentation-device-change');
+  }, "presentation-device-change");
   manager.QueryInterface(Ci.nsIPresentationDeviceListener).removeDevice(testDevice);
 }
 
 function removeProvider() {
-  Object.defineProperty(testProvider, 'listener', {
+  Object.defineProperty(testProvider, "listener", {
     configurable: true,
-    set: function(listener) {
-      Assert.strictEqual(listener, null, 'unsetListener is invoked by PresentationDeviceManager');
+    set(listener) {
+      Assert.strictEqual(listener, null, "unsetListener is invoked by PresentationDeviceManager");
       delete testProvider.listener;
       run_next_test();
     },
@@ -236,7 +236,3 @@ add_test(terminateRequest);
 add_test(reconnectRequest);
 add_test(removeDevice);
 add_test(removeProvider);
-
-function run_test() {
-  run_next_test();
-}
diff --git a/dom/presentation/tests/xpcshell/test_presentation_session_transport.js b/dom/presentation/tests/xpcshell/test_presentation_session_transport.js
index 55d0737b9ac3..af427dde0dcd 100644
--- a/dom/presentation/tests/xpcshell/test_presentation_session_transport.js
+++ b/dom/presentation/tests/xpcshell/test_presentation_session_transport.js
@@ -2,15 +2,15 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 
-'use strict';
+"use strict";
 
 const CC = Components.Constructor;
 const ServerSocket = CC("@mozilla.org/network/server-socket;1",
                         "nsIServerSocket",
                         "init");
 
-ChromeUtils.import('resource://gre/modules/XPCOMUtils.jsm');
-ChromeUtils.import('resource://gre/modules/Services.jsm');
+ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
+ChromeUtils.import("resource://gre/modules/Services.jsm");
 
 var testServer = null;
 var clientTransport = null;
@@ -41,7 +41,7 @@ var isServerClosed = false;
 
 const clientCallback = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationSessionTransportCallback]),
-  notifyTransportReady: function () {
+  notifyTransportReady() {
     Assert.ok(true, "Client transport ready.");
 
     isClientReady = true;
@@ -49,7 +49,7 @@ const clientCallback = {
       run_next_test();
     }
   },
-  notifyTransportClosed: function (aReason) {
+  notifyTransportClosed(aReason) {
     Assert.ok(true, "Client transport is closed.");
 
     isClientClosed = true;
@@ -57,7 +57,7 @@ const clientCallback = {
       run_next_test();
     }
   },
-  notifyData: function(aData) {
+  notifyData(aData) {
     Assert.equal(aData, serverMessage, "Client transport receives data.");
     run_next_test();
   },
@@ -65,7 +65,7 @@ const clientCallback = {
 
 const serverCallback = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationSessionTransportCallback]),
-  notifyTransportReady: function () {
+  notifyTransportReady() {
     Assert.ok(true, "Server transport ready.");
 
     isServerReady = true;
@@ -73,7 +73,7 @@ const serverCallback = {
       run_next_test();
     }
   },
-  notifyTransportClosed: function (aReason) {
+  notifyTransportClosed(aReason) {
     Assert.ok(true, "Server transport is closed.");
 
     isServerClosed = true;
@@ -81,7 +81,7 @@ const serverCallback = {
       run_next_test();
     }
   },
-  notifyData: function(aData) {
+  notifyData(aData) {
     Assert.equal(aData, clientMessage, "Server transport receives data.");
     run_next_test();
   },
@@ -98,7 +98,7 @@ const clientListener = {
       run_next_test();
     }
   }
-}
+};
 
 const serverListener = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationSessionTransportBuilderListener]),
@@ -112,24 +112,24 @@ const serverListener = {
       run_next_test();
     }
   }
-}
+};
 
 function TestServer() {
   this.serverSocket = ServerSocket(-1, true, -1);
-  this.serverSocket.asyncListen(this)
+  this.serverSocket.asyncListen(this);
 }
 
 TestServer.prototype = {
-  onSocketAccepted: function(aSocket, aTransport) {
+  onSocketAccepted(aSocket, aTransport) {
     print("Test server gets a client connection.");
     serverBuilder = Cc["@mozilla.org/presentation/presentationtcpsessiontransport;1"]
                       .createInstance(Ci.nsIPresentationTCPSessionTransportBuilder);
     serverBuilder.buildTCPSenderTransport(aTransport, serverListener);
   },
-  onStopListening: function(aSocket) {
+  onStopListening(aSocket) {
     print("Test server stops listening.");
   },
-  close: function() {
+  close() {
     if (this.serverSocket) {
       this.serverSocket.close();
       this.serverSocket = null;
diff --git a/dom/presentation/tests/xpcshell/test_presentation_state_machine.js b/dom/presentation/tests/xpcshell/test_presentation_state_machine.js
index 6a2704b07537..25eaae85c342 100644
--- a/dom/presentation/tests/xpcshell/test_presentation_state_machine.js
+++ b/dom/presentation/tests/xpcshell/test_presentation_state_machine.js
@@ -4,18 +4,18 @@
 /* jshint esnext:true, globalstrict:true, moz:true, undef:true, unused:true */
 /* globals Components,Assert,run_next_test,add_test,do_execute_soon */
 
-'use strict';
+"use strict";
 
 /* globals ControllerStateMachine */
-ChromeUtils.import('resource://gre/modules/presentation/ControllerStateMachine.jsm');
+ChromeUtils.import("resource://gre/modules/presentation/ControllerStateMachine.jsm");
 /* globals ReceiverStateMachine */
-ChromeUtils.import('resource://gre/modules/presentation/ReceiverStateMachine.jsm');
+ChromeUtils.import("resource://gre/modules/presentation/ReceiverStateMachine.jsm");
 /* globals State */
-ChromeUtils.import('resource://gre/modules/presentation/StateMachineHelper.jsm');
+ChromeUtils.import("resource://gre/modules/presentation/StateMachineHelper.jsm");
 
-const testControllerId = 'test-controller-id';
-const testPresentationId = 'test-presentation-id';
-const testUrl = 'http://example.org';
+const testControllerId = "test-controller-id";
+const testPresentationId = "test-presentation-id";
+const testUrl = "http://example.org";
 
 let mockControllerChannel = {};
 let mockReceiverChannel = {};
@@ -36,40 +36,40 @@ mockReceiverChannel.sendCommand = function(command) {
 };
 
 function connect() {
-  Assert.equal(controllerState.state, State.INIT, 'controller in init state');
-  Assert.equal(receiverState.state, State.INIT, 'receiver in init state');
+  Assert.equal(controllerState.state, State.INIT, "controller in init state");
+  Assert.equal(receiverState.state, State.INIT, "receiver in init state");
   // step 1: underlying connection is ready
   controllerState.onChannelReady();
-  Assert.equal(controllerState.state, State.CONNECTING, 'controller in connecting state');
+  Assert.equal(controllerState.state, State.CONNECTING, "controller in connecting state");
   receiverState.onChannelReady();
-  Assert.equal(receiverState.state, State.CONNECTING, 'receiver in connecting state');
+  Assert.equal(receiverState.state, State.CONNECTING, "receiver in connecting state");
 
   // step 2: receiver reply to connect command
   mockReceiverChannel.notifyDeviceConnected = function(deviceId) {
-    Assert.equal(deviceId, testControllerId, 'receiver connect to mock controller');
-    Assert.equal(receiverState.state, State.CONNECTED, 'receiver in connected state');
+    Assert.equal(deviceId, testControllerId, "receiver connect to mock controller");
+    Assert.equal(receiverState.state, State.CONNECTED, "receiver in connected state");
 
     // step 3: controller receive connect-ack command
     mockControllerChannel.notifyDeviceConnected = function() {
-      Assert.equal(controllerState.state, State.CONNECTED, 'controller in connected state');
+      Assert.equal(controllerState.state, State.CONNECTED, "controller in connected state");
       run_next_test();
     };
   };
 }
 
 function launch() {
-  Assert.equal(controllerState.state, State.CONNECTED, 'controller in connected state');
-  Assert.equal(receiverState.state, State.CONNECTED, 'receiver in connected state');
+  Assert.equal(controllerState.state, State.CONNECTED, "controller in connected state");
+  Assert.equal(receiverState.state, State.CONNECTED, "receiver in connected state");
 
   controllerState.launch(testPresentationId, testUrl);
   mockReceiverChannel.notifyLaunch = function(presentationId, url) {
-    Assert.equal(receiverState.state, State.CONNECTED, 'receiver in connected state');
-    Assert.equal(presentationId, testPresentationId, 'expected presentationId received');
-    Assert.equal(url, testUrl, 'expected url received');
+    Assert.equal(receiverState.state, State.CONNECTED, "receiver in connected state");
+    Assert.equal(presentationId, testPresentationId, "expected presentationId received");
+    Assert.equal(url, testUrl, "expected url received");
 
     mockControllerChannel.notifyLaunch = function(presentationId) {
-      Assert.equal(controllerState.state, State.CONNECTED, 'controller in connected state');
-      Assert.equal(presentationId, testPresentationId, 'expected presentationId received from ack');
+      Assert.equal(controllerState.state, State.CONNECTED, "controller in connected state");
+      Assert.equal(presentationId, testPresentationId, "expected presentationId received from ack");
 
       run_next_test();
     };
@@ -77,17 +77,17 @@ function launch() {
 }
 
 function terminateByController() {
-  Assert.equal(controllerState.state, State.CONNECTED, 'controller in connected state');
-  Assert.equal(receiverState.state, State.CONNECTED, 'receiver in connected state');
+  Assert.equal(controllerState.state, State.CONNECTED, "controller in connected state");
+  Assert.equal(receiverState.state, State.CONNECTED, "receiver in connected state");
 
   controllerState.terminate(testPresentationId);
   mockReceiverChannel.notifyTerminate = function(presentationId) {
-    Assert.equal(receiverState.state, State.CONNECTED, 'receiver in connected state');
-    Assert.equal(presentationId, testPresentationId, 'expected presentationId received');
+    Assert.equal(receiverState.state, State.CONNECTED, "receiver in connected state");
+    Assert.equal(presentationId, testPresentationId, "expected presentationId received");
 
     mockControllerChannel.notifyTerminate = function(presentationId) {
-      Assert.equal(controllerState.state, State.CONNECTED, 'controller in connected state');
-      Assert.equal(presentationId, testPresentationId, 'expected presentationId received from ack');
+      Assert.equal(controllerState.state, State.CONNECTED, "controller in connected state");
+      Assert.equal(presentationId, testPresentationId, "expected presentationId received from ack");
 
       run_next_test();
     };
@@ -97,17 +97,17 @@ function terminateByController() {
 }
 
 function terminateByReceiver() {
-  Assert.equal(controllerState.state, State.CONNECTED, 'controller in connected state');
-  Assert.equal(receiverState.state, State.CONNECTED, 'receiver in connected state');
+  Assert.equal(controllerState.state, State.CONNECTED, "controller in connected state");
+  Assert.equal(receiverState.state, State.CONNECTED, "receiver in connected state");
 
   receiverState.terminate(testPresentationId);
   mockControllerChannel.notifyTerminate = function(presentationId) {
-    Assert.equal(controllerState.state, State.CONNECTED, 'controller in connected state');
-    Assert.equal(presentationId, testPresentationId, 'expected presentationId received');
+    Assert.equal(controllerState.state, State.CONNECTED, "controller in connected state");
+    Assert.equal(presentationId, testPresentationId, "expected presentationId received");
 
     mockReceiverChannel.notifyTerminate = function(presentationId) {
-      Assert.equal(receiverState.state, State.CONNECTED, 'receiver in connected state');
-      Assert.equal(presentationId, testPresentationId, 'expected presentationId received from ack');
+      Assert.equal(receiverState.state, State.CONNECTED, "receiver in connected state");
+      Assert.equal(presentationId, testPresentationId, "expected presentationId received from ack");
       run_next_test();
     };
 
@@ -116,27 +116,27 @@ function terminateByReceiver() {
 }
 
 function exchangeSDP() {
-  Assert.equal(controllerState.state, State.CONNECTED, 'controller in connected state');
-  Assert.equal(receiverState.state, State.CONNECTED, 'receiver in connected state');
+  Assert.equal(controllerState.state, State.CONNECTED, "controller in connected state");
+  Assert.equal(receiverState.state, State.CONNECTED, "receiver in connected state");
 
-  const testOffer = 'test-offer';
-  const testAnswer = 'test-answer';
-  const testIceCandidate = 'test-ice-candidate';
+  const testOffer = "test-offer";
+  const testAnswer = "test-answer";
+  const testIceCandidate = "test-ice-candidate";
   controllerState.sendOffer(testOffer);
   mockReceiverChannel.notifyOffer = function(offer) {
-    Assert.equal(offer, testOffer, 'expected offer received');
+    Assert.equal(offer, testOffer, "expected offer received");
 
     receiverState.sendAnswer(testAnswer);
     mockControllerChannel.notifyAnswer = function(answer) {
-      Assert.equal(answer, testAnswer, 'expected answer received');
+      Assert.equal(answer, testAnswer, "expected answer received");
 
       controllerState.updateIceCandidate(testIceCandidate);
       mockReceiverChannel.notifyIceCandidate = function(candidate) {
-        Assert.equal(candidate, testIceCandidate, 'expected ice candidate received in receiver');
+        Assert.equal(candidate, testIceCandidate, "expected ice candidate received in receiver");
 
         receiverState.updateIceCandidate(testIceCandidate);
         mockControllerChannel.notifyIceCandidate = function(candidate) {
-          Assert.equal(candidate, testIceCandidate, 'expected ice candidate received in controller');
+          Assert.equal(candidate, testIceCandidate, "expected ice candidate received in controller");
 
           run_next_test();
         };
@@ -148,18 +148,18 @@ function exchangeSDP() {
 function disconnect() {
   // step 1: controller send disconnect command
   controllerState.onChannelClosed(Cr.NS_OK, false);
-  Assert.equal(controllerState.state, State.CLOSING, 'controller in closing state');
+  Assert.equal(controllerState.state, State.CLOSING, "controller in closing state");
 
   mockReceiverChannel.notifyDisconnected = function(reason) {
-    Assert.equal(reason, Cr.NS_OK, 'receive close reason');
-    Assert.equal(receiverState.state, State.CLOSED, 'receiver in closed state');
+    Assert.equal(reason, Cr.NS_OK, "receive close reason");
+    Assert.equal(receiverState.state, State.CLOSED, "receiver in closed state");
 
     receiverState.onChannelClosed(Cr.NS_OK, true);
-    Assert.equal(receiverState.state, State.CLOSED, 'receiver in closed state');
+    Assert.equal(receiverState.state, State.CLOSED, "receiver in closed state");
 
     mockControllerChannel.notifyDisconnected = function(reason) {
-      Assert.equal(reason, Cr.NS_OK, 'receive close reason');
-      Assert.equal(controllerState.state, State.CLOSED, 'controller in closed state');
+      Assert.equal(reason, Cr.NS_OK, "receive close reason");
+      Assert.equal(controllerState.state, State.CLOSED, "controller in closed state");
 
       run_next_test();
     };
@@ -174,18 +174,18 @@ function receiverDisconnect() {
 
   // step 1: controller send disconnect command
   receiverState.onChannelClosed(Cr.NS_OK, false);
-  Assert.equal(receiverState.state, State.CLOSING, 'receiver in closing state');
+  Assert.equal(receiverState.state, State.CLOSING, "receiver in closing state");
 
   mockControllerChannel.notifyDisconnected = function(reason) {
-    Assert.equal(reason, Cr.NS_OK, 'receive close reason');
-    Assert.equal(controllerState.state, State.CLOSED, 'controller in closed state');
+    Assert.equal(reason, Cr.NS_OK, "receive close reason");
+    Assert.equal(controllerState.state, State.CLOSED, "controller in closed state");
 
     controllerState.onChannelClosed(Cr.NS_OK, true);
-    Assert.equal(controllerState.state, State.CLOSED, 'controller in closed state');
+    Assert.equal(controllerState.state, State.CLOSED, "controller in closed state");
 
     mockReceiverChannel.notifyDisconnected = function(reason) {
-      Assert.equal(reason, Cr.NS_OK, 'receive close reason');
-      Assert.equal(receiverState.state, State.CLOSED, 'receiver in closed state');
+      Assert.equal(reason, Cr.NS_OK, "receive close reason");
+      Assert.equal(receiverState.state, State.CLOSED, "receiver in closed state");
 
       run_next_test();
     };
@@ -201,18 +201,18 @@ function abnormalDisconnect() {
   const testErrorReason = Cr.NS_ERROR_FAILURE;
   // step 1: controller send disconnect command
   controllerState.onChannelClosed(testErrorReason, false);
-  Assert.equal(controllerState.state, State.CLOSING, 'controller in closing state');
+  Assert.equal(controllerState.state, State.CLOSING, "controller in closing state");
 
   mockReceiverChannel.notifyDisconnected = function(reason) {
-    Assert.equal(reason, testErrorReason, 'receive abnormal close reason');
-    Assert.equal(receiverState.state, State.CLOSED, 'receiver in closed state');
+    Assert.equal(reason, testErrorReason, "receive abnormal close reason");
+    Assert.equal(receiverState.state, State.CLOSED, "receiver in closed state");
 
     receiverState.onChannelClosed(Cr.NS_OK, true);
-    Assert.equal(receiverState.state, State.CLOSED, 'receiver in closed state');
+    Assert.equal(receiverState.state, State.CLOSED, "receiver in closed state");
 
     mockControllerChannel.notifyDisconnected = function(reason) {
-      Assert.equal(reason, testErrorReason, 'receive abnormal close reason');
-      Assert.equal(controllerState.state, State.CLOSED, 'controller in closed state');
+      Assert.equal(reason, testErrorReason, "receive abnormal close reason");
+      Assert.equal(controllerState.state, State.CLOSED, "controller in closed state");
 
       run_next_test();
     };
@@ -228,7 +228,3 @@ add_test(exchangeSDP);
 add_test(disconnect);
 add_test(receiverDisconnect);
 add_test(abnormalDisconnect);
-
-function run_test() { // jshint ignore:line
-  run_next_test();
-}
diff --git a/dom/presentation/tests/xpcshell/test_tcp_control_channel.js b/dom/presentation/tests/xpcshell/test_tcp_control_channel.js
index ed90f1c4573b..34a75da543fb 100644
--- a/dom/presentation/tests/xpcshell/test_tcp_control_channel.js
+++ b/dom/presentation/tests/xpcshell/test_tcp_control_channel.js
@@ -2,10 +2,10 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 
-'use strict';
+"use strict";
 
-ChromeUtils.import('resource://gre/modules/XPCOMUtils.jsm');
-ChromeUtils.import('resource://gre/modules/Services.jsm');
+ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
+ChromeUtils.import("resource://gre/modules/Services.jsm");
 
 var pcs;
 
@@ -14,7 +14,7 @@ function makeJointSuccess(names) {
   let funcs = {}, successCount = 0;
   names.forEach(function(name) {
     funcs[name] = function() {
-      info('got expected: ' + name);
+      info("got expected: " + name);
       if (++successCount === names.length)
         run_next_test();
     };
@@ -37,7 +37,7 @@ function TestDescription(aType, aTcpAddress, aTcpPort) {
 
 TestDescription.prototype = {
   QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationChannelDescription]),
-}
+};
 
 const CONTROLLER_CONTROL_CHANNEL_PORT = 36777;
 const PRESENTER_CONTROL_CHANNEL_PORT = 36888;
@@ -46,19 +46,19 @@ var CLOSE_CONTROL_CHANNEL_REASON = Cr.NS_OK;
 var candidate;
 
 // presenter's presentation channel description
-const OFFER_ADDRESS = '192.168.123.123';
+const OFFER_ADDRESS = "192.168.123.123";
 const OFFER_PORT = 123;
 
 // controller's presentation channel description
-const ANSWER_ADDRESS = '192.168.321.321';
+const ANSWER_ADDRESS = "192.168.321.321";
 const ANSWER_PORT = 321;
 
 function loopOfferAnser() {
   pcs = Cc["@mozilla.org/presentation/control-service;1"]
         .createInstance(Ci.nsIPresentationControlService);
-  pcs.id = 'controllerID';
+  pcs.id = "controllerID";
   pcs.listener = {
-    onServerReady: function() {
+    onServerReady() {
       testPresentationServer();
     }
   };
@@ -69,45 +69,45 @@ function loopOfferAnser() {
 
 
 function testPresentationServer() {
-  let yayFuncs = makeJointSuccess(['controllerControlChannelClose',
-                                   'presenterControlChannelClose',
-                                   'controllerControlChannelReconnect',
-                                   'presenterControlChannelReconnect']);
+  let yayFuncs = makeJointSuccess(["controllerControlChannelClose",
+                                   "presenterControlChannelClose",
+                                   "controllerControlChannelReconnect",
+                                   "presenterControlChannelReconnect"]);
   let presenterControlChannel;
 
   pcs.listener = {
 
-    onSessionRequest: function(deviceInfo, url, presentationId, controlChannel) {
+    onSessionRequest(deviceInfo, url, presentationId, controlChannel) {
       presenterControlChannel = controlChannel;
-      Assert.equal(deviceInfo.id, pcs.id, 'expected device id');
-      Assert.equal(deviceInfo.address, '127.0.0.1', 'expected device address');
-      Assert.equal(url, 'http://example.com', 'expected url');
-      Assert.equal(presentationId, 'testPresentationId', 'expected presentation id');
+      Assert.equal(deviceInfo.id, pcs.id, "expected device id");
+      Assert.equal(deviceInfo.address, "127.0.0.1", "expected device address");
+      Assert.equal(url, "http://example.com", "expected url");
+      Assert.equal(presentationId, "testPresentationId", "expected presentation id");
 
       presenterControlChannel.listener = {
-        status: 'created',
-        onOffer: function(aOffer) {
-          Assert.equal(this.status, 'opened', '1. presenterControlChannel: get offer, send answer');
-          this.status = 'onOffer';
+        status: "created",
+        onOffer(aOffer) {
+          Assert.equal(this.status, "opened", "1. presenterControlChannel: get offer, send answer");
+          this.status = "onOffer";
 
           let offer = aOffer.QueryInterface(Ci.nsIPresentationChannelDescription);
-          Assert.strictEqual(offer.tcpAddress.queryElementAt(0,Ci.nsISupportsCString).data,
+          Assert.strictEqual(offer.tcpAddress.queryElementAt(0, Ci.nsISupportsCString).data,
                              OFFER_ADDRESS,
-                             'expected offer address array');
-          Assert.equal(offer.tcpPort, OFFER_PORT, 'expected offer port');
+                             "expected offer address array");
+          Assert.equal(offer.tcpPort, OFFER_PORT, "expected offer port");
           try {
             let tcpType = Ci.nsIPresentationChannelDescription.TYPE_TCP;
             let answer = new TestDescription(tcpType, [ANSWER_ADDRESS], ANSWER_PORT);
             presenterControlChannel.sendAnswer(answer);
           } catch (e) {
-            Assert.ok(false, 'sending answer fails' + e);
+            Assert.ok(false, "sending answer fails" + e);
           }
         },
-        onAnswer: function(aAnswer) {
-          Assert.ok(false, 'get answer');
+        onAnswer(aAnswer) {
+          Assert.ok(false, "get answer");
         },
-        onIceCandidate: function(aCandidate) {
-          Assert.ok(true, '3. presenterControlChannel: get ice candidate, close channel');
+        onIceCandidate(aCandidate) {
+          Assert.ok(true, "3. presenterControlChannel: get ice candidate, close channel");
           let recvCandidate = JSON.parse(aCandidate);
           for (let key in recvCandidate) {
             if (typeof(recvCandidate[key]) !== "function") {
@@ -116,22 +116,22 @@ function testPresentationServer() {
           }
           presenterControlChannel.disconnect(CLOSE_CONTROL_CHANNEL_REASON);
         },
-        notifyConnected: function() {
-          Assert.equal(this.status, 'created', '0. presenterControlChannel: opened');
-          this.status = 'opened';
+        notifyConnected() {
+          Assert.equal(this.status, "created", "0. presenterControlChannel: opened");
+          this.status = "opened";
         },
-        notifyDisconnected: function(aReason) {
-          Assert.equal(this.status, 'onOffer', '4. presenterControlChannel: closed');
-          Assert.equal(aReason, CLOSE_CONTROL_CHANNEL_REASON, 'presenterControlChannel notify closed');
-          this.status = 'closed';
+        notifyDisconnected(aReason) {
+          Assert.equal(this.status, "onOffer", "4. presenterControlChannel: closed");
+          Assert.equal(aReason, CLOSE_CONTROL_CHANNEL_REASON, "presenterControlChannel notify closed");
+          this.status = "closed";
           yayFuncs.controllerControlChannelClose();
         },
         QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlChannelListener]),
       };
     },
-    onReconnectRequest: function(deviceInfo, url, presentationId, controlChannel) {
-      Assert.equal(url, 'http://example.com', 'expected url');
-      Assert.equal(presentationId, 'testPresentationId', 'expected presentation id');
+    onReconnectRequest(deviceInfo, url, presentationId, controlChannel) {
+      Assert.equal(url, "http://example.com", "expected url");
+      Assert.equal(presentationId, "testPresentationId", "expected presentation id");
       yayFuncs.presenterControlChannelReconnect();
     },
 
@@ -139,8 +139,8 @@ function testPresentationServer() {
   };
 
   let presenterDeviceInfo = {
-    id: 'presentatorID',
-    address: '127.0.0.1',
+    id: "presentatorID",
+    address: "127.0.0.1",
     port: PRESENTER_CONTROL_CHANNEL_PORT,
     certFingerprint: pcs.certFingerprint,
     QueryInterface: ChromeUtils.generateQI([Ci.nsITCPDeviceInfo]),
@@ -149,18 +149,18 @@ function testPresentationServer() {
   let controllerControlChannel = pcs.connect(presenterDeviceInfo);
 
   controllerControlChannel.listener = {
-    status: 'created',
-    onOffer: function(offer) {
-      Assert.ok(false, 'get offer');
+    status: "created",
+    onOffer(offer) {
+      Assert.ok(false, "get offer");
     },
-    onAnswer: function(aAnswer) {
-      Assert.equal(this.status, 'opened', '2. controllerControlChannel: get answer, send ICE candidate');
+    onAnswer(aAnswer) {
+      Assert.equal(this.status, "opened", "2. controllerControlChannel: get answer, send ICE candidate");
 
       let answer = aAnswer.QueryInterface(Ci.nsIPresentationChannelDescription);
-      Assert.strictEqual(answer.tcpAddress.queryElementAt(0,Ci.nsISupportsCString).data,
+      Assert.strictEqual(answer.tcpAddress.queryElementAt(0, Ci.nsISupportsCString).data,
                          ANSWER_ADDRESS,
-                         'expected answer address array');
-      Assert.equal(answer.tcpPort, ANSWER_PORT, 'expected answer port');
+                         "expected answer address array");
+      Assert.equal(answer.tcpPort, ANSWER_PORT, "expected answer port");
       candidate = {
         candidate: "1 1 UDP 1 127.0.0.1 34567 type host",
         sdpMid: "helloworld",
@@ -168,32 +168,32 @@ function testPresentationServer() {
       };
       controllerControlChannel.sendIceCandidate(JSON.stringify(candidate));
     },
-    onIceCandidate: function(aCandidate) {
-      Assert.ok(false, 'get ICE candidate');
+    onIceCandidate(aCandidate) {
+      Assert.ok(false, "get ICE candidate");
     },
-    notifyConnected: function() {
-      Assert.equal(this.status, 'created', '0. controllerControlChannel: opened, send offer');
-      controllerControlChannel.launch('testPresentationId', 'http://example.com');
-      this.status = 'opened';
+    notifyConnected() {
+      Assert.equal(this.status, "created", "0. controllerControlChannel: opened, send offer");
+      controllerControlChannel.launch("testPresentationId", "http://example.com");
+      this.status = "opened";
       try {
         let tcpType = Ci.nsIPresentationChannelDescription.TYPE_TCP;
-        let offer = new TestDescription(tcpType, [OFFER_ADDRESS], OFFER_PORT)
+        let offer = new TestDescription(tcpType, [OFFER_ADDRESS], OFFER_PORT);
         controllerControlChannel.sendOffer(offer);
       } catch (e) {
-        Assert.ok(false, 'sending offer fails:' + e);
+        Assert.ok(false, "sending offer fails:" + e);
       }
     },
-    notifyDisconnected: function(aReason) {
-      this.status = 'closed';
-      Assert.equal(aReason, CLOSE_CONTROL_CHANNEL_REASON, '4. controllerControlChannel notify closed');
+    notifyDisconnected(aReason) {
+      this.status = "closed";
+      Assert.equal(aReason, CLOSE_CONTROL_CHANNEL_REASON, "4. controllerControlChannel notify closed");
       yayFuncs.presenterControlChannelClose();
 
       let reconnectControllerControlChannel = pcs.connect(presenterDeviceInfo);
       reconnectControllerControlChannel.listener = {
-        notifyConnected: function() {
-          reconnectControllerControlChannel.reconnect('testPresentationId', 'http://example.com');
+        notifyConnected() {
+          reconnectControllerControlChannel.reconnect("testPresentationId", "http://example.com");
         },
-        notifyReconnected: function() {
+        notifyReconnected() {
           yayFuncs.controllerControlChannelReconnect();
         },
         QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlChannelListener]),
@@ -204,43 +204,43 @@ function testPresentationServer() {
 }
 
 function terminateRequest() {
-  let yayFuncs = makeJointSuccess(['controllerControlChannelConnected',
-                                   'controllerControlChannelDisconnected',
-                                   'presenterControlChannelDisconnected',
-                                   'terminatedByController',
-                                   'terminatedByReceiver']);
+  let yayFuncs = makeJointSuccess(["controllerControlChannelConnected",
+                                   "controllerControlChannelDisconnected",
+                                   "presenterControlChannelDisconnected",
+                                   "terminatedByController",
+                                   "terminatedByReceiver"]);
   let controllerControlChannel;
-  let terminatePhase = 'controller';
+  let terminatePhase = "controller";
 
   pcs.listener = {
-    onTerminateRequest: function(deviceInfo, presentationId, controlChannel, isFromReceiver) {
-      Assert.equal(deviceInfo.address, '127.0.0.1', 'expected device address');
-      Assert.equal(presentationId, 'testPresentationId', 'expected presentation id');
+    onTerminateRequest(deviceInfo, presentationId, controlChannel, isFromReceiver) {
+      Assert.equal(deviceInfo.address, "127.0.0.1", "expected device address");
+      Assert.equal(presentationId, "testPresentationId", "expected presentation id");
       controlChannel.terminate(presentationId); // Reply terminate ack.
 
-      if (terminatePhase === 'controller') {
+      if (terminatePhase === "controller") {
         controllerControlChannel = controlChannel;
-        Assert.equal(deviceInfo.id, pcs.id, 'expected controller device id');
-        Assert.equal(isFromReceiver, false, 'expected request from controller');
+        Assert.equal(deviceInfo.id, pcs.id, "expected controller device id");
+        Assert.equal(isFromReceiver, false, "expected request from controller");
         yayFuncs.terminatedByController();
 
         controllerControlChannel.listener = {
-          notifyConnected: function() {
-            Assert.ok(true, 'control channel notify connected');
+          notifyConnected() {
+            Assert.ok(true, "control channel notify connected");
             yayFuncs.controllerControlChannelConnected();
 
-            terminatePhase = 'receiver';
-            controllerControlChannel.terminate('testPresentationId');
+            terminatePhase = "receiver";
+            controllerControlChannel.terminate("testPresentationId");
           },
-          notifyDisconnected: function(aReason) {
-            Assert.equal(aReason, CLOSE_CONTROL_CHANNEL_REASON, 'controllerControlChannel notify disconncted');
+          notifyDisconnected(aReason) {
+            Assert.equal(aReason, CLOSE_CONTROL_CHANNEL_REASON, "controllerControlChannel notify disconncted");
             yayFuncs.controllerControlChannelDisconnected();
           },
           QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlChannelListener]),
         };
       } else {
-        Assert.equal(deviceInfo.id, presenterDeviceInfo.id, 'expected presenter device id');
-        Assert.equal(isFromReceiver, true, 'expected request from receiver');
+        Assert.equal(deviceInfo.id, presenterDeviceInfo.id, "expected presenter device id");
+        Assert.equal(isFromReceiver, true, "expected request from receiver");
         yayFuncs.terminatedByReceiver();
         presenterControlChannel.disconnect(CLOSE_CONTROL_CHANNEL_REASON);
       }
@@ -249,8 +249,8 @@ function terminateRequest() {
   };
 
   let presenterDeviceInfo = {
-    id: 'presentatorID',
-    address: '127.0.0.1',
+    id: "presentatorID",
+    address: "127.0.0.1",
     port: PRESENTER_CONTROL_CHANNEL_PORT,
     certFingerprint: pcs.certFingerprint,
     QueryInterface: ChromeUtils.generateQI([Ci.nsITCPDeviceInfo]),
@@ -259,11 +259,11 @@ function terminateRequest() {
   let presenterControlChannel = pcs.connect(presenterDeviceInfo);
 
   presenterControlChannel.listener = {
-    notifyConnected: function() {
-      presenterControlChannel.terminate('testPresentationId');
+    notifyConnected() {
+      presenterControlChannel.terminate("testPresentationId");
     },
-    notifyDisconnected: function(aReason) {
-      Assert.equal(aReason, CLOSE_CONTROL_CHANNEL_REASON, '4. presenterControlChannel notify disconnected');
+    notifyDisconnected(aReason) {
+      Assert.equal(aReason, CLOSE_CONTROL_CHANNEL_REASON, "4. presenterControlChannel notify disconnected");
       yayFuncs.presenterControlChannelDisconnected();
     },
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlChannelListener]),
@@ -271,28 +271,28 @@ function terminateRequest() {
 }
 
 function terminateRequestAbnormal() {
-  let yayFuncs = makeJointSuccess(['controllerControlChannelConnected',
-                                   'controllerControlChannelDisconnected',
-                                   'presenterControlChannelDisconnected']);
+  let yayFuncs = makeJointSuccess(["controllerControlChannelConnected",
+                                   "controllerControlChannelDisconnected",
+                                   "presenterControlChannelDisconnected"]);
   let controllerControlChannel;
 
   pcs.listener = {
-    onTerminateRequest: function(deviceInfo, presentationId, controlChannel, isFromReceiver) {
-      Assert.equal(deviceInfo.id, pcs.id, 'expected controller device id');
-      Assert.equal(deviceInfo.address, '127.0.0.1', 'expected device address');
-      Assert.equal(presentationId, 'testPresentationId', 'expected presentation id');
-      Assert.equal(isFromReceiver, false, 'expected request from controller');
-      controlChannel.terminate('unmatched-presentationId'); // Reply abnormal terminate ack.
+    onTerminateRequest(deviceInfo, presentationId, controlChannel, isFromReceiver) {
+      Assert.equal(deviceInfo.id, pcs.id, "expected controller device id");
+      Assert.equal(deviceInfo.address, "127.0.0.1", "expected device address");
+      Assert.equal(presentationId, "testPresentationId", "expected presentation id");
+      Assert.equal(isFromReceiver, false, "expected request from controller");
+      controlChannel.terminate("unmatched-presentationId"); // Reply abnormal terminate ack.
 
       controllerControlChannel = controlChannel;
 
       controllerControlChannel.listener = {
-          notifyConnected: function() {
-          Assert.ok(true, 'control channel notify connected');
+          notifyConnected() {
+          Assert.ok(true, "control channel notify connected");
           yayFuncs.controllerControlChannelConnected();
         },
-        notifyDisconnected: function(aReason) {
-          Assert.equal(aReason, Cr.NS_ERROR_FAILURE, 'controllerControlChannel notify disconncted with error');
+        notifyDisconnected(aReason) {
+          Assert.equal(aReason, Cr.NS_ERROR_FAILURE, "controllerControlChannel notify disconncted with error");
           yayFuncs.controllerControlChannelDisconnected();
         },
         QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlChannelListener]),
@@ -302,8 +302,8 @@ function terminateRequestAbnormal() {
   };
 
   let presenterDeviceInfo = {
-    id: 'presentatorID',
-    address: '127.0.0.1',
+    id: "presentatorID",
+    address: "127.0.0.1",
     port: PRESENTER_CONTROL_CHANNEL_PORT,
     certFingerprint: pcs.certFingerprint,
     QueryInterface: ChromeUtils.generateQI([Ci.nsITCPDeviceInfo]),
@@ -312,11 +312,11 @@ function terminateRequestAbnormal() {
   let presenterControlChannel = pcs.connect(presenterDeviceInfo);
 
   presenterControlChannel.listener = {
-    notifyConnected: function() {
-      presenterControlChannel.terminate('testPresentationId');
+    notifyConnected() {
+      presenterControlChannel.terminate("testPresentationId");
     },
-    notifyDisconnected: function(aReason) {
-      Assert.equal(aReason, Cr.NS_ERROR_FAILURE, '4. presenterControlChannel notify disconnected with error');
+    notifyDisconnected(aReason) {
+      Assert.equal(aReason, Cr.NS_ERROR_FAILURE, "4. presenterControlChannel notify disconnected with error");
       yayFuncs.presenterControlChannelDisconnected();
     },
     QueryInterface: ChromeUtils.generateQI([Ci.nsIPresentationControlChannelListener]),
@@ -325,8 +325,8 @@ function terminateRequestAbnormal() {
 
 function setOffline() {
   pcs.listener = {
-    onServerReady: function(aPort, aCertFingerprint) {
-      Assert.notEqual(aPort, 0, 'TCPPresentationServer port changed and the port should be valid');
+    onServerReady(aPort, aCertFingerprint) {
+      Assert.notEqual(aPort, 0, "TCPPresentationServer port changed and the port should be valid");
       pcs.close();
       run_next_test();
     },
@@ -340,7 +340,7 @@ function setOffline() {
 function oneMoreLoop() {
   try {
     pcs.listener = {
-      onServerReady: function() {
+      onServerReady() {
         testPresentationServer();
       }
     };
@@ -348,17 +348,16 @@ function oneMoreLoop() {
     // Second run with TLS disabled.
     pcs.startServer(false, PRESENTER_CONTROL_CHANNEL_PORT);
   } catch (e) {
-    Assert.ok(false, 'TCP presentation init fail:' + e);
+    Assert.ok(false, "TCP presentation init fail:" + e);
     run_next_test();
   }
 }
 
 
-function shutdown()
-{
+function shutdown() {
   pcs.listener = {
-    onServerReady: function(aPort, aCertFingerprint) {
-      Assert.ok(false, 'TCPPresentationServer port changed');
+    onServerReady(aPort, aCertFingerprint) {
+      Assert.ok(false, "TCPPresentationServer port changed");
     },
   };
   pcs.close();