Remove secondary player from Media Sessions

content/browser/media/android/browser_media_player_manager.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/media/android/browser_media_player_manager.h"
 
 #include <utility>
 
 #include "base/android/scoped_java_ref.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
@@ skipping 634 matching lines @@
 scoped_ptr<media::MediaPlayerAndroid> BrowserMediaPlayerManager::SwapPlayer(
       int player_id, media::MediaPlayerAndroid* player) {
   media::MediaPlayerAndroid* previous_player = NULL;
   for (ScopedVector<MediaPlayerAndroid>::iterator it = players_.begin();
       it != players_.end(); ++it) {
     if ((*it)->player_id() == player_id) {
       previous_player = *it;
 #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;
     }
   }
   return scoped_ptr<media::MediaPlayerAndroid>(previous_player);
 }
 
 bool BrowserMediaPlayerManager::RequestDecoderResources(
     int player_id, bool temporary) {
@@ skipping 75 matching lines @@
   if (!player)
     return;
   player->Start();
   if (fullscreen_player_id_ == player_id && fullscreen_player_is_released_) {
     video_view_->OpenVideo();
     fullscreen_player_is_released_ = false;
   }
 }
 
 }  // namespace content