Attempt to fix audio wedges by restarting all streams.

media/audio/audio_output_dispatcher_impl.h

Index: media/audio/audio_output_dispatcher_impl.h
diff --git a/media/audio/audio_output_dispatcher_impl.h b/media/audio/audio_output_dispatcher_impl.h
index f17f3a638f35d60587f4fce5cbe07c9158bbcae0..ca30b3a111bc1f03a6a5b560ea22fd9e256dfb93 100644
--- a/media/audio/audio_output_dispatcher_impl.h
+++ b/media/audio/audio_output_dispatcher_impl.h
@@ -59,6 +59,9 @@ class MEDIA_EXPORT AudioOutputDispatcherImpl : public AudioOutputDispatcher {
 
   virtual void Shutdown() OVERRIDE;
 
+  virtual void CloseStreamsForWedgeFix() OVERRIDE;
+  virtual void RestartStreamsForWedgeFix() OVERRIDE;
+
  private:
   typedef std::map<AudioOutputProxy*, AudioOutputStream*> AudioStreamMap;
   friend class base::RefCountedThreadSafe<AudioOutputDispatcherImpl>;