Add MediaServiceThrottler

content/browser/media/android/media_player_renderer.h

Index: content/browser/media/android/media_player_renderer.h
diff --git a/content/browser/media/android/media_player_renderer.h b/content/browser/media/android/media_player_renderer.h
index bd27299df1bd9afe748365769f8f336b04af4e8b..7451edda9710b9508b767a3e1e51f209d321a1c2 100644
--- a/content/browser/media/android/media_player_renderer.h
+++ b/content/browser/media/android/media_player_renderer.h
@@ -96,6 +96,9 @@ class CONTENT_EXPORT MediaPlayerRenderer : public media::Renderer,
   void OnScopedSurfaceRequestCompleted(gl::ScopedJavaSurface surface);
 
  private:
+  void InitializeInternal(
+      media::DemuxerStreamProvider* demuxer_stream_provider);
+
   // Used when creating |media_player_|.
   void OnDecoderResourcesReleased(int player_id);
 
@@ -106,6 +109,8 @@ class CONTENT_EXPORT MediaPlayerRenderer : public media::Renderer,
   RenderFrameHost* render_frame_host_;
   media::RendererClient* renderer_client_;
 
+  media::PipelineStatusCB pending_init_cb_;
+
   std::unique_ptr<media::MediaPlayerBridge> media_player_;
 
   // Current duration of the media.