Bug 1130906 - remove HTMLMediaElement.waitingFor for spec. changes. r=cpearce. r=bz.

dom/html/HTMLMediaElement.cpp

@@ -2083,7 +2083,6 @@ HTMLMediaElement::HTMLMediaElement(already_AddRefed<mozilla::dom::NodeInfo>& aNo
     mAudioChannelFaded(false),
     mPlayingThroughTheAudioChannel(false),
     mDisableVideo(false),
-    mWaitingFor(MediaWaitingFor::None),
     mElementInTreeState(ELEMENT_NOT_INTREE)
 {
 #ifdef PR_LOGGING
@@ -4329,12 +4328,6 @@ HTMLMediaElement::SetMediaKeys(mozilla::dom::MediaKeys* aMediaKeys,
   return promise.forget();
 }
 
-MediaWaitingFor
-HTMLMediaElement::WaitingFor() const
-{
-  return mWaitingFor;
-}
-
 EventHandlerNonNull*
 HTMLMediaElement::GetOnencrypted()
 {