Moving SwitchOutputDevice out of OutputDevice interface, eliminating OutputDevice

content/renderer/media/webrtc_audio_renderer.h

Index: content/renderer/media/webrtc_audio_renderer.h
diff --git a/content/renderer/media/webrtc_audio_renderer.h b/content/renderer/media/webrtc_audio_renderer.h
index 164b8f1f86958152ac24e575371d9802ee4cc063..0833bf594b655313d7b7d023a8facb8b6334cc56 100644
--- a/content/renderer/media/webrtc_audio_renderer.h
+++ b/content/renderer/media/webrtc_audio_renderer.h
@@ -37,8 +37,7 @@ class WebRtcAudioRendererSource;
 // for connecting WebRtc MediaStream with the audio pipeline.
 class CONTENT_EXPORT WebRtcAudioRenderer
     : NON_EXPORTED_BASE(public media::AudioRendererSink::RenderCallback),
-      NON_EXPORTED_BASE(public MediaStreamAudioRenderer),
-      NON_EXPORTED_BASE(public media::OutputDevice) {
+      NON_EXPORTED_BASE(public MediaStreamAudioRenderer) {
  public:
   // This is a little utility class that holds the configured state of an audio
   // stream.
@@ -122,13 +121,9 @@ class CONTENT_EXPORT WebRtcAudioRenderer
   media::OutputDevice* GetOutputDevice() override;
   base::TimeDelta GetCurrentRenderTime() const override;
   bool IsLocalRenderer() const override;
-
-  // media::OutputDevice implementation
   void SwitchOutputDevice(const std::string& device_id,
                           const url::Origin& security_origin,
                           const media::SwitchOutputDeviceCB& callback) override;
-  media::AudioParameters GetOutputParameters() override;
-  media::OutputDeviceStatus GetDeviceStatus() override;
 
   // Called when an audio renderer, either the main or a proxy, starts playing.
   // Here we maintain a reference count of how many renderers are currently