Refactor MSE implementation on Android to simplify the logic and improve the performance

content/renderer/media/android/media_source_delegate.h

Index: content/renderer/media/android/media_source_delegate.h
diff --git a/content/renderer/media/android/media_source_delegate.h b/content/renderer/media/android/media_source_delegate.h
index d7e6ddc15950576b5d65b08c756a920054f934e2..01094c75e271cebda1cf82e605bf9bca667a2652 100644
--- a/content/renderer/media/android/media_source_delegate.h
+++ b/content/renderer/media/android/media_source_delegate.h
@@ -97,9 +97,6 @@ class MediaSourceDelegate : public media::DemuxerHost {
   // Called when DemuxerStreamPlayer needs to read data from ChunkDemuxer.
   void OnReadFromDemuxer(media::DemuxerStream::Type type);
 
-  // Called when the player needs the new config data from ChunkDemuxer.
-  void OnMediaConfigRequest();
-
   // Called by the Destroyer to destroy an instance of this object.
   void Destroy();
 
@@ -180,6 +177,10 @@ class MediaSourceDelegate : public media::DemuxerHost {
   base::TimeDelta FindBufferedBrowserSeekTime_Locked(
       const base::TimeDelta& seek_time) const;
 
+  // Gets the demuxer configs from audio/video stream.
+  void GetDemuxerConfigFromStream(

[wolenetz, 2014/04/28 19:48:02]

nit: use consistent style (don't wrap prior to first param since it fits on the
first line).

[qinmin, 2014/04/29 23:57:23]

Done.

+      media::DemuxerConfigs* configs, bool is_audio);
+
   RendererDemuxerAndroid* demuxer_client_;
   int demuxer_client_id_;