Bug 1898344 - part3 : remove the pref 'media.media-capabilities.enable'. r=media-playback-reviewers,webidl,saschanaz,padenot

Media Capabilities has been shipped as a standard feature long enough,
it's no need to guard it by the preference anymore.

Differential Revision: https://phabricator.services.mozilla.com/D212322

dom/media/mediacapabilities/MediaCapabilities.cpp

@@ -649,10 +649,6 @@ already_AddRefed<layers::KnowsCompositor> MediaCapabilities::GetCompositor() {
   return knows->GetForMedia().forget();
 }
 
-bool MediaCapabilities::Enabled(JSContext* aCx, JSObject* aGlobal) {
-  return StaticPrefs::media_media_capabilities_enabled();
-}
-
 JSObject* MediaCapabilities::WrapObject(JSContext* aCx,
                                         JS::Handle<JSObject*> aGivenProto) {
   return MediaCapabilities_Binding::Wrap(aCx, this, aGivenProto);

dom/media/mediacapabilities/MediaCapabilities.h

@@ -60,8 +60,6 @@ class MediaCapabilities final : public nsISupports, public nsWrapperCache {
   JSObject* WrapObject(JSContext* aCx,
                        JS::Handle<JSObject*> aGivenProto) override;
 
-  static bool Enabled(JSContext* aCx, JSObject* aGlobal);
-
  private:
   virtual ~MediaCapabilities() = default;
   Maybe<MediaContainerType> CheckVideoConfiguration(

dom/webidl/MediaCapabilities.webidl

@@ -88,15 +88,14 @@ dictionary AudioConfiguration {
   unsigned long samplerate;
 };
 
-[Exposed=(Window, Worker), Func="mozilla::dom::MediaCapabilities::Enabled",
- HeaderFile="mozilla/dom/MediaCapabilities.h"]
+[Exposed=(Window, Worker), HeaderFile="mozilla/dom/MediaCapabilities.h"]
 interface MediaCapabilitiesInfo {
   readonly attribute boolean supported;
   readonly attribute boolean smooth;
   readonly attribute boolean powerEfficient;
 };
 
-[Exposed=(Window, Worker), Func="mozilla::dom::MediaCapabilities::Enabled"]
+[Exposed=(Window, Worker)]
 interface MediaCapabilities {
   [NewObject]
   Promise<MediaCapabilitiesInfo> decodingInfo(MediaDecodingConfiguration configuration);

dom/webidl/Navigator.webidl

@@ -161,7 +161,7 @@ partial interface Navigator {
 // https://wicg.github.io/media-capabilities/#idl-index
 [Exposed=Window]
 partial interface Navigator {
-  [SameObject, Func="mozilla::dom::MediaCapabilities::Enabled"]
+  [SameObject]
   readonly attribute MediaCapabilities mediaCapabilities;
 };
 

dom/webidl/WorkerNavigator.webidl

@@ -25,7 +25,7 @@ partial interface WorkerNavigator {
 // https://wicg.github.io/media-capabilities/#idl-index
 [Exposed=Worker]
 partial interface WorkerNavigator {
-  [SameObject, Func="mozilla::dom::MediaCapabilities::Enabled"]
+  [SameObject]
   readonly attribute MediaCapabilities mediaCapabilities;
 };
 

modules/libpref/init/StaticPrefList.yaml

@@ -10957,11 +10957,6 @@
   value: false
   mirror: always
 
-- name: media.media-capabilities.enabled
-  type: RelaxedAtomicBool
-  value: true
-  mirror: always
-
 - name: media.media-capabilities.screen.enabled
   type: RelaxedAtomicBool
   value: false