Backed out 2 changesets (bug 1238906) for bustage in M(2) on OSX and Windows. r=bustage

Backed out changeset e729b30ba7b4 (bug 1238906)
Backed out changeset 1857bca40ac4 (bug 1238906)

dom/html/HTMLMediaElement.cpp

@@ -2113,8 +2113,7 @@ HTMLMediaElement::HTMLMediaElement(already_AddRefed<mozilla::dom::NodeInfo>& aNo
     mElementInTreeState(ELEMENT_NOT_INTREE),
     mHasUserInteraction(false),
     mFirstFrameLoaded(false),
-    mDefaultPlaybackStartPosition(0.0),
-    mIsAudioTrackAudible(false)
+    mDefaultPlaybackStartPosition(0.0)
 {
   mAudioChannel = AudioChannelService::GetDefaultAudioChannel();
 
@@ -5170,14 +5169,5 @@ HTMLMediaElement::IsCurrentlyPlaying() const
   return false;
 }
 
-void
-HTMLMediaElement::NotifyAudibleStateChanged(bool aAudible)
-{
-  if (mIsAudioTrackAudible != aAudible) {
-    mIsAudioTrackAudible = aAudible;
-    // To do ...
-  }
-}
-
 } // namespace dom
 } // namespace mozilla