Add external surface rendering mode

content/browser/android/media_player_manager_android.h

Index: content/browser/android/media_player_manager_android.h
diff --git a/content/browser/android/media_player_manager_android.h b/content/browser/android/media_player_manager_android.h
index 9e7dc4bc8e858902486a05bece92be711e986fc3..a6317b1debd0b13caa3e6f2e790641d4853453b8 100644
--- a/content/browser/android/media_player_manager_android.h
+++ b/content/browser/android/media_player_manager_android.h
@@ -76,14 +76,17 @@ class MediaPlayerManagerAndroid
   void OnReleaseResources(int player_id);
   void OnDestroyPlayer(int player_id);
 
+  // Helper methods
+  void ExitFromVideoView(int player_id);
+
   // An array of managed players.
   ScopedVector<media::MediaPlayerBridge> players_;
 
   // The fullscreen video view object.
   ContentVideoView video_view_;
 
-  // Player ID of the fullscreen media player.
-  int fullscreen_player_id_;
+  // Player ID of the media player that uses video view.
+  int video_view_player_id_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaPlayerManagerAndroid);
 };