[Chromecast] Upgrade to new CMA backend API

chromecast/media/cma/filters/cma_renderer.h

Index: chromecast/media/cma/filters/cma_renderer.h
diff --git a/chromecast/media/cma/filters/cma_renderer.h b/chromecast/media/cma/filters/cma_renderer.h
index f76226bd2152d724e32c0eb69aa8cd31ca7655cb..5fac36809f2597fcc09ce43913c8ed3a483eb89f 100644
--- a/chromecast/media/cma/filters/cma_renderer.h
+++ b/chromecast/media/cma/filters/cma_renderer.h
@@ -29,15 +29,15 @@ class VideoRendererSink;
 
 namespace chromecast {
 namespace media {
-class AudioPipeline;
+class AudioPipelineProxy;
 class BalancedMediaTaskRunnerFactory;
 class HoleFrameFactory;
-class MediaPipeline;
-class VideoPipeline;
+class MediaPipelineProxy;
+class VideoPipelineProxy;
 
 class CmaRenderer : public ::media::Renderer {
  public:
-  CmaRenderer(scoped_ptr<MediaPipeline> media_pipeline,
+  CmaRenderer(scoped_ptr<MediaPipelineProxy> media_pipeline,
               ::media::VideoRendererSink* video_renderer_sink,
               const scoped_refptr<::media::GpuVideoAcceleratorFactories>&
                   gpu_factories);
@@ -102,9 +102,9 @@ class CmaRenderer : public ::media::Renderer {
   base::ThreadChecker thread_checker_;
 
   scoped_refptr<BalancedMediaTaskRunnerFactory> media_task_runner_factory_;
-  scoped_ptr<MediaPipeline> media_pipeline_;
-  AudioPipeline* audio_pipeline_;
-  VideoPipeline* video_pipeline_;
+  scoped_ptr<MediaPipelineProxy> media_pipeline_;
+  AudioPipelineProxy* audio_pipeline_;
+  VideoPipelineProxy* video_pipeline_;
   ::media::VideoRendererSink* video_renderer_sink_;
 
   ::media::DemuxerStreamProvider* demuxer_stream_provider_;