Remove secondary player from Media Sessions

content/browser/media/android/browser_media_player_manager.cc

Index: content/browser/media/android/browser_media_player_manager.cc
diff --git a/content/browser/media/android/browser_media_player_manager.cc b/content/browser/media/android/browser_media_player_manager.cc
index 8b2b75ba8516dbadbdf209c206fec1fd1f065c34..e57b55aec41b48066a4708cdfb5aca0559f61d55 100644
--- a/content/browser/media/android/browser_media_player_manager.cc
+++ b/content/browser/media/android/browser_media_player_manager.cc
@@ -648,6 +648,9 @@ scoped_ptr<media::MediaPlayerAndroid> BrowserMediaPlayerManager::SwapPlayer(
 #if defined(VIDEO_HOLE)
       ReleaseExternalSurface(player_id);
 #endif
+      MediaWebContentsObserverAndroid::FromWebContents(web_contents_)
+          ->DisconnectMediaSession(render_frame_host_,
+                                   player_id_to_delegate_id_map_[player_id]);
       players_.weak_erase(it);
       players_.push_back(player);
       break;