[Chromecast] Upgrade to new CMA backend API

chromecast/media/cma/pipeline/media_pipeline_client.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROMECAST_MEDIA_CMA_PIPELINE_MEDIA_PIPELINE_CLIENT_H_
 #define CHROMECAST_MEDIA_CMA_PIPELINE_MEDIA_PIPELINE_CLIENT_H_
 
 #include "base/callback.h"
 #include "base/time/time.h"
 #include "media/base/buffering_state.h"
 #include "media/base/pipeline_status.h"
 
 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;
 
   // 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;
 };
 
 }  // namespace media
 }  // namespace chromecast
 
 #endif  // CHROMECAST_MEDIA_CMA_PIPELINE_MEDIA_PIPELINE_CLIENT_H_