Remove the IPC to request DemuxerConfigs when config changes

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 4ac8ed8ade2fdaaed8277f7d3519323b39039f6b..4480a45d9783a843f925b3d04d986fe45aa4ddad 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();
 
@@ -183,6 +180,11 @@ class MediaSourceDelegate : public media::DemuxerHost {
   base::TimeDelta FindBufferedBrowserSeekTime_Locked(
       const base::TimeDelta& seek_time) const;
 
+  // Get the demuxer configs for a particular stream identified by |is_audio|.
+  // Returns true on success, of false otherwise.
+  bool GetDemuxerConfigFromStream(media::DemuxerConfigs* configs,
+                                  bool is_audio);
+
   RendererDemuxerAndroid* demuxer_client_;
   int demuxer_client_id_;