[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..6ebc83206831c809087cfe4b8e6d53a4ceed6f6c 100644
--- a/chromecast/media/cma/filters/cma_renderer.h
+++ b/chromecast/media/cma/filters/cma_renderer.h
@@ -80,12 +80,12 @@ class CmaRenderer : public ::media::Renderer {
   void OnVideoPipelineInitializeDone(bool video_stream_present,
                                      ::media::PipelineStatus status);
 
-  // Callbacks for AvPipelineClient.
+  // Callbacks for RendererAvPipelineClient.
   void OnEosReached(bool is_audio);
   void OnStatisticsUpdated(const ::media::PipelineStatistics& stats);
   void OnNaturalSizeChanged(const gfx::Size& size);
 
-  // Callbacks for MediaPipelineClient.
+  // Callbacks for RendererMediaPipelineClient.
   void OnPlaybackTimeUpdated(base::TimeDelta time,
                              base::TimeDelta max_time,
                              base::TimeTicks capture_time);