[Chromecast] Upgrade to new CMA backend API

chromecast/renderer/media/media_pipeline_proxy.h

Index: chromecast/renderer/media/media_pipeline_proxy.h
diff --git a/chromecast/renderer/media/media_pipeline_proxy.h b/chromecast/renderer/media/media_pipeline_proxy.h
index 1e8e9e6b7abdb3db9f667b0c948adf6dcdb1e8ad..b2ba79203abf3db875f77e489dd682f9c3802583 100644
--- a/chromecast/renderer/media/media_pipeline_proxy.h
+++ b/chromecast/renderer/media/media_pipeline_proxy.h
@@ -11,8 +11,8 @@
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "chromecast/media/cma/pipeline/load_type.h"
-#include "chromecast/media/cma/pipeline/media_pipeline.h"
 #include "chromecast/media/cma/pipeline/media_pipeline_client.h"
+#include "chromecast/renderer/media/renderer_media_pipeline.h"
 #include "media/base/serial_runner.h"
 
 namespace base {
@@ -26,14 +26,14 @@ class MediaChannelProxy;
 class MediaPipelineProxyInternal;
 class VideoPipelineProxy;
 
-class MediaPipelineProxy : public MediaPipeline {
+class MediaPipelineProxy : public RendererMediaPipeline {
  public:
   MediaPipelineProxy(int render_frame_id,
                      scoped_refptr<base::SingleThreadTaskRunner> task_runner,
                      LoadType load_type);
   ~MediaPipelineProxy() override;
 
-  // MediaPipeline implementation.
+  // RendererMediaPipeline implementation.
   void SetClient(const MediaPipelineClient& client) override;
   void SetCdm(int cdm_id) override;
   AudioPipeline* GetAudioPipeline() const override;