WebMediaPlayerImpl needs to own the audio source provider.

content/public/renderer/content_renderer_client.h

Index: content/public/renderer/content_renderer_client.h
diff --git a/content/public/renderer/content_renderer_client.h b/content/public/renderer/content_renderer_client.h
index f5d8b71ce502a5f4516fc18631e2cdfae37fe835..913637a4616d0872a39fb976795cbfd562dc7e34 100644
--- a/content/public/renderer/content_renderer_client.h
+++ b/content/public/renderer/content_renderer_client.h
@@ -37,6 +37,7 @@ struct WebPluginInfo;
 }
 
 namespace media {
+class AudioRendererSink;
 class FilterCollection;
 class MediaLog;
 class MessageLoopFactory;
@@ -117,6 +118,7 @@ class CONTENT_EXPORT ContentRendererClient {
       base::WeakPtr<webkit_media::WebMediaPlayerDelegate> delegate,
       media::FilterCollection* collection,
       WebKit::WebAudioSourceProvider* audio_source_provider,
+      media::AudioRendererSink* audio_renderer_sink,
       media::MessageLoopFactory* message_loop_factory,
       webkit_media::MediaStreamClient* media_stream_client,
       media::MediaLog* media_log);