[Chromecast] Upgrade to new CMA backend API

chromecast/media/cma/pipeline/media_pipeline_client.h

Index: chromecast/media/cma/pipeline/media_pipeline_client.h
diff --git a/chromecast/media/cma/pipeline/media_pipeline_client.h b/chromecast/media/cma/pipeline/media_pipeline_client.h
index 1918ef17f2fc050144f4706ce51e1ddc49b4459a..022374821f22d4ff310108295db10133be32ed6f 100644
--- a/chromecast/media/cma/pipeline/media_pipeline_client.h
+++ b/chromecast/media/cma/pipeline/media_pipeline_client.h
@@ -13,12 +13,35 @@
 namespace chromecast {
 namespace media {
 
-struct MediaPipelineClient {
+struct RendererMediaPipelineClient {
   typedef base::Callback<void(
       base::TimeDelta, base::TimeDelta, base::TimeTicks)> TimeUpdateCB;
 
-  MediaPipelineClient();
-  ~MediaPipelineClient();
+  RendererMediaPipelineClient();
+  ~RendererMediaPipelineClient();
+
+  // Callback used to report a playback error as a ::media::PipelineStatus.
+  ::media::PipelineStatusCB error_cb;
+
+  // Callback used to report the latest playback time,
+  // as well as the maximum time available for rendering.
+  TimeUpdateCB time_update_cb;
+
+  // Callback used to report the buffering status.
+  ::media::BufferingStateCB buffering_state_cb;
+
+  // Callback used to report the creation and destruction of
+  // MediaPipelineBackend
+  base::Closure pipeline_backend_created_cb;
+  base::Closure pipeline_backend_destroyed_cb;
+};
+
+struct BrowserMediaPipelineClient {
+  typedef base::Callback<
+      void(base::TimeDelta, base::TimeDelta, base::TimeTicks)> TimeUpdateCB;
+
+  BrowserMediaPipelineClient();
+  ~BrowserMediaPipelineClient();
 
   // Callback used to report a playback error as a ::media::PipelineStatus.
   ::media::PipelineStatusCB error_cb;