Bug 829042 - Remove dead PlaybacKRateChanged member. r=cpearce

content/media/MediaDecoder.cpp

@@ -609,12 +609,6 @@ nsresult MediaDecoder::Seek(double aTime)
   return ScheduleStateMachineThread();
 }
 
-nsresult MediaDecoder::PlaybackRateChanged()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  return NS_ERROR_NOT_IMPLEMENTED;
-}
-
 double MediaDecoder::GetCurrentTime()
 {
   MOZ_ASSERT(NS_IsMainThread());

content/media/MediaDecoder.h

@@ -326,11 +326,6 @@ public:
   // called.
   virtual nsresult Play();
 
-  // Called by the element when the playback rate has been changed.
-  // Adjust the speed of the playback, optionally with pitch correction,
-  // when this is called.
-  virtual nsresult PlaybackRateChanged();
-
   // Pause video playback.
   virtual void Pause();
   // Adjust the speed of the playback, optionally with pitch correction,