Bug 1375903 - Enable eslint on testing/talos - additional changes; r=jmaher

.eslintignore

@@ -306,6 +306,7 @@ testing/modules/sinon-2.3.2.js
 # octothorpe used for pref file comment causes parsing error
 testing/mozbase/mozprofile/tests/files/prefs_with_comments.js
 testing/talos/talos/scripts/jszip.min.js
+testing/talos/talos/startup_test/sessionrestore/profile/sessionstore.js
 testing/talos/talos/tests/canvasmark/**
 testing/talos/talos/tests/dromaeo/**
 testing/talos/talos/tests/v8_7/**

testing/talos/.eslintrc.js

@@ -0,0 +1,26 @@
+"use strict";
+
+module.exports = {
+
+  globals: {
+    "Cc": false,
+    "Ci": false,
+    "Cu": false,
+    "content": true,
+    "dumpLog": false,
+    "netscape": false,
+    "addMessageListener": false,
+    "goQuitApplication": false,
+    "MozillaFileLogger": false,
+    "Profiler": true,
+    "Services": false,
+    "gBrowser": false,
+    "removeMessageListener": false,
+    "sendAsyncMessage": false,
+    "sendSyncMessage": false,
+    "TalosPowersContent": true,
+    "TalosPowersParent": true,
+    "TalosContentProfiler": true,
+    "tpRecordTime": true
+  }
+};

testing/talos/talos/base_profile/prefs.js

@@ -2,6 +2,7 @@
 // prefs in user.js don't get recognized until the second browser launch
 // which is too late for our purposes of using quit.js. Loading the principals
 // from prefs.js avoids this issue.
+/* globals user_pref */
 user_pref("capability.principal.codebase.p0.granted", "UniversalPreferencesWrite UniversalXPConnect UniversalPreferencesRead");
 user_pref("capability.principal.codebase.p0.id", "file://");
 user_pref("capability.principal.codebase.p0.subjectName", "");

testing/talos/talos/generate-tart-xpi.html

@@ -11,6 +11,7 @@
   <script src="scripts/xpigen.js"></script>
 
   <script>
+    /* import-globals-from scripts/xpigen.js */
     var base = "tests/tart/addon/";
     var files = [
       "chrome.manifest",

testing/talos/talos/generate-tresize-xpi.html

@@ -11,6 +11,7 @@
   <script src="scripts/xpigen.js"></script>
 
   <script>
+    /* import-globals-from scripts/xpigen.js */
     var base = "startup_test/tresize/addon/";
     var files = [
       "chrome.manifest",

testing/talos/talos/pageloader/chrome/Profiler.js

@@ -106,7 +106,7 @@ var Profiler;
     },
     finishTestAsync: function Profiler__finishTest() {
       if (!(_profiler && enabled)) {
-        return;
+        return undefined;
       }
       return new Promise((resolve, reject) => {
         Services.profiler.getProfileDataAsync().then((profile) => {

testing/talos/talos/pageloader/chrome/memory.js

@@ -1,3 +1,4 @@
+/* import-globals-from pageloader.js */
 
 var gChildProcess = true;
 var gMemCallback = null;

testing/talos/talos/pageloader/chrome/pageloader.js

@@ -2,6 +2,9 @@
  * 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/. */
 
+/* import-globals-from memory.js */
+/* import-globals-from report.js */
+
 try {
   if (Cc === undefined) {
     var Cc = Components.classes;
@@ -106,6 +109,7 @@ SingleTimeout.prototype.clear = function() {
 };
 
 var failTimeout = new SingleTimeout();
+var renderReport;
 
 function plInit() {
   if (running) {
@@ -214,8 +218,7 @@ function plInit() {
       toolbars = "titlebar,resizable";
     }
 
-    browserWindow = wwatch.openWindow
-      (null, "chrome://browser/content/", "_blank",
+    browserWindow = wwatch.openWindow(null, "chrome://browser/content/", "_blank",
        `chrome,${toolbars},dialog=no,width=${winWidth},height=${winHeight}`, blank);
 
     gPaintWindow = browserWindow;
@@ -314,6 +317,7 @@ var ContentListener = {
       case "PageLoader:LoadEvent": return plLoadHandlerMessage(message);
       case "PageLoader:RecordTime": return plRecordTimeMessage(message);
     }
+    return undefined;
   },
 };
 
@@ -525,7 +529,7 @@ function plRecordTime(time) {
     report.recordTime(recordedName, time);
   }
   if (noisy) {
-    dumpLine("Cycle " + (cycle + 1) + "(" + pageCycle + ")" + ": loaded " + pageName + " (next: " + nextName + ")");
+    dumpLine("Cycle " + (cycle + 1) + "(" + pageCycle + "): loaded " + pageName + " (next: " + nextName + ")");
   }
 }
 

testing/talos/talos/pageloader/chrome/report.js

@@ -48,7 +48,7 @@ function Report() {
 }
 
 Report.prototype.pageNames = function() {
-  var retval = new Array();
+  var retval = [];
   for (var page in this.timeVals) {
     retval.push(page);
   }
@@ -153,7 +153,7 @@ Report.prototype.getReportSummary = function() {
 
 Report.prototype.recordTime = function(pageName, ms) {
   if (this.timeVals[pageName] == undefined) {
-    this.timeVals[pageName] = new Array();
+    this.timeVals[pageName] = [];
   }
   this.timeVals[pageName].push(ms);
 }

testing/talos/talos/pageloader/chrome/tscroll.js

@@ -215,7 +215,6 @@ function testScroll(target, stepSize, opt_reportFunc, opt_numSteps) {
 
     return new Promise(function(resolve, reject) {
       setSmooth();
-      var startts = Date.now();
 
       var handle = -1;
       startFrameTimeRecording(function(rv) {
@@ -224,7 +223,6 @@ function testScroll(target, stepSize, opt_reportFunc, opt_numSteps) {
 
       // Get the measurements after APZ_MEASURE_MS of scrolling
       setTimeout(function() {
-        var endts = Date.now();
 
         stopFrameTimeRecording(handle, function(intervals) {
           function average(arr) {

testing/talos/talos/pageloader/components/tp-cmdline.js

@@ -180,7 +180,7 @@ var PageLoaderCmdLineModule =
     compMgr = compMgr.QueryInterface(nsIComponentRegistrar);
 
     compMgr.unregisterFactoryLocation(TP_CMDLINE_CLSID, fileSpec);
-    catman = Components.classes[CATMAN_CONTRACTID].getService(nsICategoryManager);
+    var catman = Components.classes[CATMAN_CONTRACTID].getService(nsICategoryManager);
     catman.deleteCategoryEntry("command-line-handler",
                                "m-tp", true);
   },

testing/talos/talos/scripts/talos-debug.js

@@ -33,6 +33,7 @@ window.talosDebug = {
 
   median(values) {
     var clone = values.slice(0);
+    // eslint-disable-next-line no-nested-ternary
     var sorted = clone.sort(function(a, b) { return (a > b) ? 1 : ((a < b) ? -1 : 0); });
     var len = values.length;
     if (!len)
@@ -76,14 +77,14 @@ window.talosDebug = {
 
     var stableFrom = -1;
     var overallAverage = d.median(values);
-    var overallStd = d.stddev(values, overallAverage);
+    // var overallStd = d.stddev(values, overallAverage);
     for (var winWidth = MIN_WIDTH; winWidth < (MAX_WIDTH + 1); winWidth++) {
       var prevStd = windowStd(0, winWidth);
       for (var i = 1; i < values.length - winWidth - 3; i++) {
         var w0 = windowStd(i + 0, winWidth);
         var w1 = windowStd(i + 1, winWidth);
         var w2 = windowStd(i + 2, winWidth);
-        var currWindow = values.slice(i, i + winWidth);
+        // var currWindow = values.slice(i, i + winWidth);
         if (w0 >= prevStd && !(w1 < w0 && w2 < w1)) {
           if (i > stableFrom)
             stableFrom = i;
@@ -135,7 +136,7 @@ window.talosDebug = {
     var warmup = (d.ignore >= 0) ? d.ignore : d.detectWarmup(collection);
     if (warmup >= 0) {
       res += "\n\nWarmup " + ((d.ignore >= 0) ? "requested: " : "auto-detected: ") + warmup;
-      warmedUp = collection.slice(warmup);
+      var warmedUp = collection.slice(warmup);
       if (warmup) {
         res += "\nAfter ignoring first " + (warmup > 1 ? (warmup + " items") : "item") + ":\n";
         res += d.statsDisplay(warmedUp);

testing/talos/talos/scripts/xpigen.js

@@ -2,6 +2,10 @@
  * 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/. */
 
+/* globals JSZip */
+
+/* eslint-disable no-nested-ternary */
+
 // base: relative or absolute path (http[s] or file, untested with ftp)
 // files: array of file names relative to base to include at the zip
 // callbacks: object with optional functions:
@@ -11,13 +15,6 @@ function createXpiDataUri(base, files, callbacks) {
   // Synchronous XHR for http[s]/file (untested ftp), throws on any error
   // Note that on firefox, file:// XHR can't access files outside base dir
   function readBinFile(url) {
-    // The DOM will qualify the URI for us if it's relative (not IE6)
-    function isFileUri(uri) {
-      var a = document.createElement("a");
-      a.href = uri;
-      return a.href.toLowerCase().indexOf("file://") == 0;
-    }
-
     var r =  new XMLHttpRequest();
     r.open("GET", url, false);
     r.requestType = "arraybuffer";

testing/talos/talos/startup_test/tpaint.html

@@ -68,7 +68,7 @@ async function reportTimes() {
   avg = (avg / count).toFixed(2);
   min = min.toFixed(2);
   max = max.toFixed(2);
-  med = calcMedian(openTimes);
+  var med = calcMedian(openTimes);
 
   if (auto) {
     dumpLog("__start_report" + openTimes.join("|") + "__end_report");
@@ -97,6 +97,7 @@ async function childIsOpen() {
   scheduleNextWindow();
 }
 
+/* eslint-disable no-useless-concat */
 var kidHTML = "<html><meta charset='utf-8'><script>" +
               "var e = 'MozAfterPaint';" +
               "function done() {" +
@@ -106,6 +107,7 @@ var kidHTML = "<html><meta charset='utf-8'><script>" +
               "}" +
               "window.addEventListener(e, done, true);" +
               "</" + "script>TPAINT</html>";
+/* eslint-enable no-useless-concat */
 var kidURI = "data:text/html," + encodeURI(kidHTML);
 
 async function openWindow() {

testing/talos/talos/startup_test/tresize/addon/content/tresize.js

@@ -6,7 +6,7 @@
  * and average to stdout or logfile.
  */
 
-var dataSet = new Array();
+var dataSet = [];
 var windowSize = 425;
 var resizeIncrement = 2;
 var count = 0;

testing/talos/talos/talos-powers/chrome/talos-powers-content.js

@@ -4,6 +4,8 @@
 
 // This file is loaded as a framescript
 
+/* globals docShell */
+
 var { interfaces: Ci, utils: Cu } = Components;
 
 /**

testing/talos/talos/talos-powers/components/TalosPowersService.js

@@ -188,7 +188,6 @@ TalosPowersService.prototype = {
 
       case "Profiler:Finish": {
         // The test is done. Dump the profile.
-        let profileFile = data.profileFile;
         this.profilerFinish(data.profileFile).then(() => {
           mm.sendAsyncMessage(ACK_NAME, { name });
         });

testing/talos/talos/tests/a11y/a11y.js

@@ -1,3 +1,4 @@
+/* globals acc:true, gAccService:true, nsIAccessible:true, nsIDOMNode:true */
 gAccService = 0;
 
 // Make sure not to touch Components before potentially invoking enablePrivilege,

testing/talos/talos/tests/a11y/dhtml.html

@@ -5,6 +5,7 @@
 <title>accessibility perf for dhtml</title>
 <script src="a11y.js"></script>
 <script>
+  /* import-globals-from a11y.js */
   // based on: http://hacks.mozilla.org/2010/05/better-performance-with-lazy-frame-construction/
   var ppDate = null;
 

testing/talos/talos/tests/a11y/tablemutation.html

@@ -76,8 +76,11 @@
 
 </body>
 <script>
+/* import-globals-from a11y.js */
 window.onload = function() {
-  setTimeout("mutateTable()", 100);
+  setTimeout(function() {
+    mutateTable();
+  }, 100);
 };
 function mutateTable() {
   var htmTable = document.getElementById("datatable");

testing/talos/talos/tests/devtools/addon/content/addon-test-frontend.js

@@ -1,6 +1,8 @@
 // This file is the common bits for the test runner frontend, originally
 // extracted out of the tart.html frontend when creating the damp test.
 
+/* globals updateConfig, defaultConfig, config */ /* from damp.html */
+
 function $(id) {
   return document.getElementById(id);
 }

testing/talos/talos/tests/devtools/addon/content/damp.html

@@ -37,16 +37,16 @@ var testsInfo = {
 function updateConfig() {
   config = {subtests: []};
   for (var test in defaultConfig.subtests) {
-    if ($("subtest-" + test).checked) {
+    if ($("subtest-" + test).checked) { // eslint-disable-line no-undef
       config.subtests.push(test);
     }
   }
 
-  var repeat = $("repeat").value;
+  var repeat = $("repeat").value; // eslint-disable-line no-undef
   config.repeat = isNaN(repeat) ? 1 : repeat;
 
   // use 1ms rest as a minimum.
-  var rest = $("rest").value;
+  var rest = $("rest").value; // eslint-disable-line no-undef
   config.rest = Math.max(1, isNaN(rest) ? defaultConfig.rest : rest);
 }
 </script>

testing/talos/talos/tests/devtools/addon/content/damp.js

@@ -14,6 +14,8 @@ const webserver = Services.prefs.getCharPref("addon.test.damp.webserver");
 const SIMPLE_URL = webserver + "/tests/devtools/addon/content/pages/simple.html";
 const COMPLICATED_URL = webserver + "/tests/tp5n/bild.de/www.bild.de/index.html";
 
+/* globals res:true */
+
 function Damp() {
   // Path to the temp file where the heap snapshot file is saved. Set by
   // saveHeapSnapshot and read by readHeapSnapshot.
@@ -32,9 +34,8 @@ Damp.prototype = {
       let tab = this._win.gBrowser.selectedTab = this._win.gBrowser.addTab(url);
       let browser = tab.linkedBrowser;
       browser.addEventListener("load", function onload() {
-        browser.removeEventListener("load", onload, true);
         resolve(tab);
-      }, true);
+      }, {capture: true, once: true});
     });
   },
 
@@ -47,14 +48,12 @@ Damp.prototype = {
     let startReloadTimestamp = performance.now();
     return new Promise((resolve, reject) => {
       let browser = gBrowser.selectedBrowser;
-      let self = this;
       browser.addEventListener("load", function onload() {
-        browser.removeEventListener("load", onload, true);
         let stopReloadTimestamp = performance.now();
         resolve({
           time: stopReloadTimestamp - startReloadTimestamp
         });
-      }, true);
+      }, {capture: true, once: true});
       browser.reload();
     });
   },
@@ -181,8 +180,7 @@ Damp.prototype = {
     let TOTAL_MESSAGES = 100;
     let tab = yield this.testSetup(SIMPLE_URL);
     let messageManager = tab.linkedBrowser.messageManager;
-    let {toolbox} = yield this.openToolbox("webconsole");
-    let webconsole = toolbox.getPanel("webconsole");
+    yield this.openToolbox("webconsole");
 
     // Load a frame script using a data URI so we can do logs
     // from the page.  So this is running in content.

testing/talos/talos/tests/perf-reftest/bloom-basic-ref.html

@@ -3,6 +3,7 @@
   <head>
     <script src="util.js"></script>
     <script>
+/* import-globals-from util.js */
 window.onload = function() {
   document.head.appendChild(build_rule("span > div", 10000, "{ color: blue; } "));
   let dom = build_dom(5000, "div");

testing/talos/talos/tests/perf-reftest/bloom-basic.html

@@ -3,6 +3,7 @@
   <head>
     <script src="util.js"></script>
     <script>
+/* import-globals-from util.js */
 window.onload = function() {
   document.head.appendChild(build_rule("span div", 10000, "{ color: blue; } "));
   let dom = build_dom(5000, "div");

testing/talos/talos/tests/quit.js

@@ -79,7 +79,7 @@ function goQuitApplication(waitForSafeBrowsing) {
     // frame script to pick up to quit the whole browser.
     var event = new CustomEvent("TalosQuitApplication", {bubbles: true, detail: {waitForSafeBrowsing}});
     document.dispatchEvent(event);
-    return;
+    return false;
   }
 
   if (waitForSafeBrowsing) {

testing/talos/talos/tests/tabpaint/bootstrap.js

@@ -152,7 +152,6 @@ var TabPaint = {
    *         with the time (in ms) it took to open the tab from the parent.
    */
   openTabFromParent(gBrowser) {
-    let win = gBrowser.ownerGlobal;
     return new Promise((resolve) => {
       this.Profiler.resume("tabpaint parent start");
 
@@ -181,7 +180,6 @@ var TabPaint = {
    *         with the time (in ms) it took to open the tab from content.
    */
   openTabFromContent(gBrowser) {
-    let win = gBrowser.ownerGlobal;
     return new Promise((resolve) => {
       this.Profiler.resume("tabpaint content start");
 
@@ -227,7 +225,7 @@ var TabPaint = {
         }
       }, true);
 
-      tab.ownerDocument.defaultView.gBrowser.removeTab(tab);
+      tab.ownerGlobal.gBrowser.removeTab(tab);
     });
   },
 

testing/talos/talos/tests/tabswitch/bootstrap.js

@@ -1,6 +1,8 @@
 
 // -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
 
+/* globals APP_SHUTDOWN */
+
 var { classes: Cc, interfaces: Ci, utils: Cu } = Components;
 Cu.import("resource://gre/modules/Services.jsm");
 Cu.import("resource://gre/modules/Promise.jsm");
@@ -41,9 +43,8 @@ var windowListener = {
 function promiseOneEvent(target, eventName, capture) {
   let deferred = Promise.defer();
   target.addEventListener(eventName, function handler(event) {
-    target.removeEventListener(eventName, handler, capture);
     deferred.resolve();
-  }, capture);
+  }, {capture, once: true});
   return deferred.promise;
 }
 
@@ -269,9 +270,8 @@ function waitForTabSwitchDone(browser) {
   return new Promise((resolve) => {
     let gBrowser = browser.ownerGlobal.gBrowser;
     gBrowser.addEventListener("TabSwitchDone", function onTabSwitchDone() {
-      gBrowser.removeEventListener("TabSwitchDone", onTabSwitchDone);
       resolve();
-    });
+    }, {once: true});
   });
 }
 

testing/talos/talos/tests/tart/addon/content/tart.html

@@ -191,7 +191,8 @@ function updateConfig() {
   config.repeat = isNaN(repeat) ? 1 : repeat;
 
   var rest = $("rest").value;
-  config.rest = isNaN(rest) ? 500 : (rest ? rest : 1); // 500ms default, use 1ms as minimum
+  config.rest = isNaN(rest) ? 500 : rest; // 500ms default, use 1ms as minimum
+  config.rest = config.rest ? config.rest : 1;
 
   config.tickle = $("tickle").checked;
 

testing/talos/talos/tests/tart/addon/content/tart.js

@@ -30,6 +30,8 @@
 let aboutNewTabService = Components.classes["@mozilla.org/browser/aboutnewtab-service;1"]
                                    .getService(Components.interfaces.nsIAboutNewTabService);
 
+/* globals res:true, sequenceArray:true */
+
 function Tart() {
 }
 
@@ -272,7 +274,6 @@ Tart.prototype = {
       var sumLastHalf = 0;
       var countLastHalf = 0;
       var sumMost = 0;
-      var countMost = 0;
       var sum = 0;
       for (var i = intervals.length - 1; i >= 0; i--) {
         sum += intervals[i];
@@ -282,13 +283,11 @@ Tart.prototype = {
         }
         if (sumMost < referenceDuration * .85) {
           sumMost += intervals[i];
-          countMost++;
         }
       }
       dump("overall: " + sum + "\n");
 
       var averageLastHalf = countLastHalf ? sumLastHalf / countLastHalf : 0;
-      var averageMost    = countMost ? sumMost / countMost : 0;
       var averageOverall = intervals.length ? sum / intervals.length : 0;
       var durationDiff = Math.abs(recordingAbsoluteDuration - referenceDuration);
 
@@ -351,6 +350,7 @@ Tart.prototype = {
 
       tickleLoop();
 
+      return false;
     }
 
     setTimeout(function() {

testing/talos/talos/tests/video/video_playback.html

@@ -24,6 +24,8 @@ var viewModeIndex = 0;
 var viewMode = [1, 1.1, 2];
 var testResult = {names: [], values: []};
 
+/* globals readyToStart:true */
+
 function init() {
   TalosPowersContent.focus(content_focused)
 }
@@ -136,6 +138,7 @@ function reportResult() {
     // Local run in a plain browser, display the formatted report
     alert(msg);
 
+  return undefined;
 }
 </script>
 

testing/talos/talos/tests/webgl/benchmarks/terrain/perftest.html

@@ -58,7 +58,7 @@
   var aspectRatio;
 
   function startTest(alpha, antialias, doneCallback) {
-    gl = document.getElementById("c").getContext("webgl", {alpha: alpha, antialias: antialias});
+    gl = document.getElementById("c").getContext("webgl", {alpha, antialias});
 
     var grassImage = document.getElementById("grass");
     var grassTexture = gl.createTexture();
@@ -108,7 +108,7 @@
         vertices[3 * (i + terrainSize * j) + 1] = height;
         vertices[3 * (i + terrainSize * j) + 2] = j;
 
-        var d_y_d_x = (2 * Math.PI / terrainSize) * (- 4 * Math.sin(a) - 4 * Math.sin(4 * a));
+        var d_y_d_x = (2 * Math.PI / terrainSize) * (-4 * Math.sin(a) - 4 * Math.sin(4 * a));
         var d_y_d_z = (2 * Math.PI / terrainSize) * (6 * Math.cos(b) + 5 * Math.cos(5 * b));
         var normal_x = d_y_d_x;
         var normal_y = -1;
@@ -142,15 +142,15 @@
     var indexBuffer = gl.createBuffer();
     gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexBuffer);
     var indices = [];
-    for (var i = 0; i < terrainSize - 1; i++) {
-      for (var j = 0; j < terrainSize - 1; j++) {
-        indices.push(i   + terrainSize * j);
-        indices.push(i+1 + terrainSize * j);
-        indices.push(i+1 + terrainSize * (j+1));
+    for (var k = 0; k < terrainSize - k; k++) {
+      for (var l = 0; l < terrainSize - 1; l++) {
+        indices.push(k + terrainSize * l);
+        indices.push(k + 1 + terrainSize * l);
+        indices.push(k + 1 + terrainSize * (l + 1));
 
-        indices.push(i   + terrainSize * j);
-        indices.push(i+1 + terrainSize * (j+1));
-        indices.push(i   + terrainSize * (j+1));
+        indices.push(k + terrainSize * l);
+        indices.push(k + 1 + terrainSize * (l + 1));
+        indices.push(k + terrainSize * (l + 1));
       }
     }
     gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(indices), gl.STATIC_DRAW);
@@ -253,9 +253,9 @@
     modelviewMatrix[10] = c;
     modelviewMatrix[11] = 0;
 
-    modelviewMatrix[12] = - terrainSize / 2;
+    modelviewMatrix[12] = -terrainSize / 2;
     modelviewMatrix[13] = 0;
-    modelviewMatrix[14] = - terrainSize;
+    modelviewMatrix[14] = -terrainSize;
     modelviewMatrix[15] = 1;
 
     gl.uniformMatrix4fv(modelviewUniformLoc, false, modelviewMatrix);
@@ -317,7 +317,7 @@
     // Remove the old canvas if exists, and create a new one for the new run
     var c = document.getElementById("c");
     if (c)
-        c.parentNode.removeChild(c);
+        c.remove();
     c = document.createElement("canvas");
     c.id = "c";
     document.body.insertBefore(c, document.body.firstChild)
@@ -356,10 +356,10 @@
     if (window.tpRecordTime) {
       // within talos - report the results
       return tpRecordTime(results.values.join(","), 0, results.names.join(","));
-    } else {
+    }
     // Local run in a plain browser, display the formatted report
     alert(msg);
-    }
+    return undefined;
   }
 
   // The full test starts here

testing/talos/talos/tests/webgl/benchmarks/video/video_upload.html

@@ -57,6 +57,7 @@ function reportResult(totalTime, totalTicks) {
     // Local run in a plain browser, display the formatted report
     alert("[talos glvideo result] " + text);
 
+  return undefined;
 }
 </script>