Reverted the code for the non-interactive audible tab notification

media/base/android/media_player_android.h

Index: media/base/android/media_player_android.h
diff --git a/media/base/android/media_player_android.h b/media/base/android/media_player_android.h
index e52362411cbd70e6d8e963d16707d242358a6d8e..a836ea7782c64201a2ec1a6206a7e4314bda897a 100644
--- a/media/base/android/media_player_android.h
+++ b/media/base/android/media_player_android.h
@@ -120,7 +120,6 @@ class MEDIA_EXPORT MediaPlayerAndroid {
   // it is still required to destroy the |listener_| related stuff
   // on the UI thread.
   void DestroyListenerOnUIThread();
-  void SetAudible(bool is_audible);
 
   MediaPlayerManager* manager() { return manager_; }
 
@@ -143,9 +142,6 @@ class MEDIA_EXPORT MediaPlayerAndroid {
   // Listener object that listens to all the media player events.
   scoped_ptr<MediaPlayerListener> listener_;
 
-  // Maintains the audible state of the player, true if it is playing sound.
-  bool is_audible_;
-
   // Weak pointer passed to |listener_| for callbacks.
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<MediaPlayerAndroid> weak_factory_;