Remove the last getters from VideoReceiveStream stats.

R=stefan@webrtc.org
BUG=1667

Review URL: https://webrtc-codereview.appspot.com/32899004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7965 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/video_coding/main/source/receiver.h

@@ -79,7 +79,7 @@ class VCMReceiver {
   // the time this function is called.
   int RenderBufferSizeMs();
 
-  void RegisterFrameCountObserver(FrameCountObserver* frame_count_observer);
+  void RegisterStatsCallback(VCMReceiveStatisticsCallback* callback);
 
  private:
   static int32_t GenerateReceiverId();