Revert of Added stub MediaSourcePlayer for developing behind the flag

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 823691c2526aaf7a63c5f562727dbd7c488a5062..d9091d4195b414f065ab9a5ae319a373a43a2b11 100644
--- a/media/base/android/media_player_android.h
+++ b/media/base/android/media_player_android.h
@@ -38,10 +38,6 @@
 
   // Callback when the player needs decoding resources.
   typedef base::Callback<void(int player_id)> RequestMediaResourcesCB;
-
-  // Virtual destructor.
-  // For most subclasses we can delete on the caller thread.
-  virtual void DeleteOnCorrectThread() { delete this; }
 
   // Passing an external java surface object to the player.
   virtual void SetVideoSurface(gfx::ScopedJavaSurface surface) = 0;
@@ -106,11 +102,6 @@
   // events. Otherwise, it also listens to the events from |j_media_player|.
   void AttachListener(jobject j_media_player);
   void DetachListener();
-
-  // When destroying a subclassed object on a non-UI thread
-  // 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_; }