Bug 1316211. P10 - make SizeOf{Audio,Video}QueueInFrames() pure virtual which will be overridden by MFR. r=gerald

MozReview-Commit-ID: 5a4qTXVWdG1

--HG--
extra : rebase_source : 891470ac9bc3df6425ee190a98acea55902bf66f
extra : source : b7916e882c764cd3402f19a0985961a277264f12

dom/media/MediaDecoderReader.cpp

@@ -63,16 +63,6 @@ MediaDecoderReader::~MediaDecoderReader()
   MOZ_COUNT_DTOR(MediaDecoderReader);
 }
 
-size_t MediaDecoderReader::SizeOfVideoQueueInFrames()
-{
-  return 0;
-}
-
-size_t MediaDecoderReader::SizeOfAudioQueueInFrames()
-{
-  return 0;
-}
-
 void
 MediaDecoderReader::UpdateDuration(const media::TimeUnit& aDuration)
 {

dom/media/MediaDecoderReader.h

@@ -195,8 +195,8 @@ public:
   // cases like MSE.
   virtual bool UseBufferingHeuristics() const = 0;
 
-  virtual size_t SizeOfVideoQueueInFrames();
-  virtual size_t SizeOfAudioQueueInFrames();
+  virtual size_t SizeOfVideoQueueInFrames() = 0;
+  virtual size_t SizeOfAudioQueueInFrames() = 0;
 
   // Called once new data has been cached by the MediaResource.
   // mBuffered should be recalculated and updated accordingly.