Move Renderer permanent callbacks into RendererClient interface.

chromecast/renderer/media/cma_renderer.h

Index: chromecast/renderer/media/cma_renderer.h
diff --git a/chromecast/renderer/media/cma_renderer.h b/chromecast/renderer/media/cma_renderer.h
index c2ae45efff2d4b256656f5f6958c23f0d4eea1d6..1132f6460f44ff83c928e2a96725c0e9a15559c8 100644
--- a/chromecast/renderer/media/cma_renderer.h
+++ b/chromecast/renderer/media/cma_renderer.h
@@ -45,12 +45,8 @@ class CmaRenderer : public ::media::Renderer {
 
   // ::media::Renderer implementation:
   void Initialize(::media::DemuxerStreamProvider* demuxer_stream_provider,
-                  const ::media::PipelineStatusCB& init_cb,
-                  const ::media::StatisticsCB& statistics_cb,
-                  const ::media::BufferingStateCB& buffering_state_cb,
-                  const base::Closure& ended_cb,
-                  const ::media::PipelineStatusCB& error_cb,
-                  const base::Closure& waiting_for_decryption_key_cb) override;
+                  ::media::RendererClient* client,
+                  const ::media::PipelineStatusCB& init_cb) override;
   void Flush(const base::Closure& flush_cb) override;
   void StartPlayingFrom(base::TimeDelta time) override;
   void SetPlaybackRate(double playback_rate) override;
@@ -110,13 +106,9 @@ class CmaRenderer : public ::media::Renderer {
   ::media::DemuxerStreamProvider* demuxer_stream_provider_;
 
   // Set of callbacks.
+  ::media::RendererClient* client_;
   ::media::PipelineStatusCB init_cb_;
-  ::media::StatisticsCB statistics_cb_;
-  base::Closure ended_cb_;
-  ::media::PipelineStatusCB error_cb_;
-  ::media::BufferingStateCB buffering_state_cb_;
   base::Closure flush_cb_;
-  base::Closure waiting_for_decryption_key_cb_;
 
   // Renderer state.
   // Used mostly for checking that transitions are correct.