Associate audio streams with their source/destination RenderView.

content/renderer/media/renderer_webaudiodevice_impl.h

Index: content/renderer/media/renderer_webaudiodevice_impl.h
diff --git a/content/renderer/media/renderer_webaudiodevice_impl.h b/content/renderer/media/renderer_webaudiodevice_impl.h
index 2e747c948ecc375e068519e50f5cc6aad7944299..48e98485575179aebd021b573d80b9fa4f2538e5 100644
--- a/content/renderer/media/renderer_webaudiodevice_impl.h
+++ b/content/renderer/media/renderer_webaudiodevice_impl.h
@@ -12,6 +12,8 @@
 
 namespace content {
 
+class RendererAudioOutputDevice;
+
 class RendererWebAudioDeviceImpl
     : public WebKit::WebAudioDevice,
       public media::AudioRendererSink::RenderCallback {
@@ -36,7 +38,7 @@ class RendererWebAudioDeviceImpl
   virtual void OnRenderError() OVERRIDE;
 
  private:
-  scoped_refptr<media::AudioRendererSink> audio_device_;
+  scoped_refptr<RendererAudioOutputDevice> audio_device_;
   bool is_running_;
 
   // Weak reference to the callback into WebKit code.