Bug 1842986 - Remove dom.forms.inputmode pref r=emilio

Differential Revision: https://phabricator.services.mozilla.com/D187421

dom/events/IMEStateManager.cpp

@@ -1644,9 +1644,7 @@ MOZ_CAN_RUN_SCRIPT static void GetActionHint(const IMEState& aState,
 
 static void GetInputMode(const IMEState& aState, const nsIContent& aContent,
                          nsAString& aInputMode) {
-  if (aState.IsEditable() &&
-      (StaticPrefs::dom_forms_inputmode() ||
-       nsContentUtils::IsChromeDoc(aContent.OwnerDoc()))) {
+  if (aState.IsEditable()) {
     aContent.AsElement()->GetAttr(nsGkAtoms::inputmode, aInputMode);
     if (aContent.IsHTMLElement(nsGkAtoms::input) &&
         aInputMode.EqualsLiteral("mozAwesomebar")) {

dom/html/nsGenericHTMLElement.cpp

@@ -791,8 +791,7 @@ void nsGenericHTMLElement::AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
           AddToNameTable(aValue->GetAtomValue());
         }
       }
-    } else if ((aName == nsGkAtoms::inputmode &&
-                StaticPrefs::dom_forms_inputmode()) ||
+    } else if (aName == nsGkAtoms::inputmode ||
                aName == nsGkAtoms::enterkeyhint) {
       nsPIDOMWindowOuter* window = OwnerDoc()->GetWindow();
       if (window && window->GetFocusedElement() == this) {

dom/html/test/mochitest.ini

@@ -1,6 +1,5 @@
 [DEFAULT]
 prefs =
-  dom.forms.inputmode=true # only for test_inputmode.html
   gfx.font_loader.delay=0
 support-files =
   347174transform.xsl

dom/webidl/HTMLElement.webidl

@@ -53,7 +53,7 @@ interface HTMLElement : Element {
            attribute DOMString? popover;
   [CEReactions, SetterThrows, Pure]
            attribute boolean spellcheck;
-  [CEReactions, Pure, SetterThrows, Pref="dom.forms.inputmode"]
+  [CEReactions, Pure, SetterThrows]
            attribute DOMString inputMode;
   [CEReactions, Pure, SetterThrows]
            attribute DOMString enterKeyHint;

editor/docs/IMEHandlingGuide.rst

@@ -964,8 +964,7 @@ The value is a string representing the focused editor.
 mHTMLInputMode
 ^^^^^^^^^^^^^^
 
-The value is ``inputmode`` attribute value of the focused editor. This is set
-only when ``"dom.forms.inputmode"`` pref is true.
+The value is ``inputmode`` attribute value of the focused editor.
 
 mActionHint
 ^^^^^^^^^^^

modules/libpref/init/StaticPrefList.yaml

@@ -2977,12 +2977,6 @@
   value: @IS_ANDROID@
   mirror: always
 
-# Is support for HTMLElement.inputMode enabled?
-- name: dom.forms.inputmode
-  type: bool
-  value: true
-  mirror: always
-
 - name: dom.forms.always_allow_pointer_events.enabled
   type: bool
   value: @IS_NIGHTLY_BUILD@

testing/web-platform/meta/html/dom/idlharness.https.html.ini

@@ -1,4 +1,4 @@
-prefs: [dom.security.featurePolicy.experimental.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true, dom.forms.inputmode:true, dom.forms.autocapitalize:true]
+prefs: [dom.security.featurePolicy.experimental.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true, dom.forms.autocapitalize:true]
 [idlharness.https.html?exclude=(Document|Window|HTML.*)]
   [AudioTrack interface: existence and properties of interface prototype object]
     expected: FAIL

testing/web-platform/meta/html/dom/reflection-misc.html.ini

@@ -1,3 +0,0 @@
-[reflection-misc.html]
-  prefs: [dom.forms.inputmode:true]
-  

widget/tests/window_composition_text_querycontent.xhtml

@@ -10828,8 +10828,6 @@ async function runPasswordMaskDelayTest() {
 
 async function runInputModeTest()
 {
-  await SpecialPowers.setBoolPref("dom.forms.inputmode", true);
-
   let result = [];
 
   function handler(aEvent)
@@ -10860,8 +10858,6 @@ async function runInputModeTest()
   textarea.value = "";
   textarea.removeEventListener("compositionupdate", handler, true);
   textarea.removeEventListener("compositionend", handler, true);
-
-  await SpecialPowers.clearUserPref("dom.forms.inputmode");
 }