Bug 1294320 - Remove MediaDecoderStateMachine::IsVideoDecodeSuspended() r=kaku

MozReview-Commit-ID: 9iTzmMhw686

--HG--
extra : rebase_source : 4ee1bec4155367dc66a136a4f14c9c83cbdd8dd5

dom/media/MediaDecoderStateMachine.cpp

@@ -471,10 +471,6 @@ bool MediaDecoderStateMachine::HaveEnoughDecodedVideo()
 {
   MOZ_ASSERT(OnTaskQueue());
 
-  if (IsVideoDecodeSuspended()) {
-    return true;
-  }
-
   if (VideoQueue().GetSize() == 0) {
     return false;
   }
@@ -1805,13 +1801,6 @@ MediaDecoderStateMachine::EnsureVideoDecodeTaskQueued()
     return NS_OK;
   }
 
-  if (IsVideoDecodeSuspended() && !IsDecodingFirstFrame()) {
-    // The element is invisible and background videos should be suspended.
-    // If the first frame has already been decoded, don't request anymore video
-    // frames.
-    return NS_OK;
-  }
-
   if (!IsVideoDecoding() || mReader->IsRequestingVideoData() ||
       mReader->IsWaitingVideoData()) {
     return NS_OK;
@@ -2637,12 +2626,6 @@ bool MediaDecoderStateMachine::IsStateMachineScheduled() const
   return mDispatchedStateMachine || mDelayedScheduler.IsScheduled();
 }
 
-bool MediaDecoderStateMachine::IsVideoDecodeSuspended() const
-{
-  MOZ_ASSERT(OnTaskQueue());
-  return mIsReaderSuspended;
-}
-
 void
 MediaDecoderStateMachine::LogicalPlaybackRateChanged()
 {

dom/media/MediaDecoderStateMachine.h

@@ -598,10 +598,6 @@ protected:
   // case as it may not be needed again.
   bool IsPausedAndDecoderWaiting();
 
-  // Returns true if the video decoding is suspended because the element is not
-  // visible
-  bool IsVideoDecodeSuspended() const;
-
   // These return true if the respective stream's decode has not yet reached
   // the end of stream.
   bool IsAudioDecoding();