Bug 1851962 - Remove dom.forms.autocapitalize pref r=emilio,geckoview-reviewers,m_kato

Differential Revision: https://phabricator.services.mozilla.com/D188367

dom/events/IMEStateManager.cpp

@@ -1662,7 +1662,6 @@ static void GetAutocapitalize(const IMEState& aState, const Element& aElement,
                               const InputContext& aInputContext,
                               nsAString& aAutocapitalize) {
   if (aElement.IsHTMLElement() && aState.IsEditable() &&
-      StaticPrefs::dom_forms_autocapitalize() &&
       aInputContext.IsAutocapitalizeSupported()) {
     nsGenericHTMLElement::FromNode(&aElement)->GetAutocapitalize(
         aAutocapitalize);

dom/webidl/HTMLElement.webidl

@@ -57,7 +57,7 @@ interface HTMLElement : Element {
            attribute DOMString inputMode;
   [CEReactions, Pure, SetterThrows]
            attribute DOMString enterKeyHint;
-  [CEReactions, Pure, SetterThrows, Pref="dom.forms.autocapitalize"]
+  [CEReactions, Pure, SetterThrows]
            attribute DOMString autocapitalize;
 
   attribute DOMString nonce;

mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/TextInputDelegateTest.kt

@@ -1218,8 +1218,6 @@ class TextInputDelegateTest : BaseSessionTest() {
         // no way to set autocapitalize on designmode.
         assumeThat("Not in designmode", id, not(equalTo("#designmode")))
 
-        sessionRule.setPrefsUntilTestEnd(mapOf("dom.forms.autocapitalize" to true))
-
         mainSession.textInput.view = View(InstrumentationRegistry.getInstrumentation().targetContext)
 
         mainSession.loadTestPath(INPUTS_PATH)

modules/libpref/init/StaticPrefList.yaml

@@ -2965,12 +2965,6 @@
   mirror: always
 #endif
 
-# Is support for HTMLElement.autocapitalize enabled?
-- name: dom.forms.autocapitalize
-  type: bool
-  value: true
-  mirror: always
-
 # Support for input type=month, type=week. By default, disabled.
 - name: dom.forms.datetime.others
   type: bool

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

testing/web-platform/meta/html/editing/editing-0/autocapitalization/autocapitalize.html.ini

@@ -1,2 +0,0 @@
-prefs: [dom.forms.autocapitalize:true]
-[autocapitalize.html]

widget/tests/test_autocapitalize.html

@@ -49,14 +49,11 @@ SimpleTest.waitForFocus(async () => {
     { id: "d3", autocapitalize: "sentences", desc: "input with autocapitalize=on in form" },
   ];
 
-  await SpecialPowers.setBoolPref("dom.forms.autocapitalize", true);
-
   for (let test of tests) {
     document.getElementById(test.id).focus();
     is(SpecialPowers.DOMWindowUtils.focusedAutocapitalize, test.autocapitalize, test.desc);
   }
 
-  SpecialPowers.clearUserPref("dom.forms.autocapitalize");
   SimpleTest.finish();
 });
 </script>