Remove secondary player from Media Sessions

content/browser/media/android/media_web_contents_observer_android.cc

 // Copyright 2016 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/media_web_contents_observer_android.h"
 
 #include "content/browser/media/android/browser_media_player_manager.h"
 #include "content/browser/media/android/browser_media_session_manager.h"
 #include "content/browser/media/android/browser_surface_view_manager.h"
 #include "content/browser/media/cdm/browser_cdm_manager.h"
@@ skipping 77 matching lines @@
     RenderFrameHost* render_frame_host,
     int delegate_id,
     bool has_audio,
     bool is_remote,
     base::TimeDelta duration) {
   return session_controllers_manager()->RequestPlay(
       MediaPlayerId(render_frame_host, delegate_id),
       has_audio, is_remote, duration);
 }
 
+void MediaWebContentsObserverAndroid::DisconnectMediaSession(
+    RenderFrameHost* render_frame_host,
+    int delegate_id) {
+  session_controllers_manager()->OnEnd(
+      MediaPlayerId(render_frame_host, delegate_id));
+}
+
 #if defined(VIDEO_HOLE)
 void MediaWebContentsObserverAndroid::OnFrameInfoUpdated() {
   for (auto it = media_player_managers_.begin();
        it != media_player_managers_.end(); ++it) {
     it->second->OnFrameInfoUpdated();
   }
 }
 #endif  // defined(VIDEO_HOLE)
 
 void MediaWebContentsObserverAndroid::RenderFrameDeleted(
@@ skipping 161 matching lines @@
     NOTREACHED() << "OnSetCdm: CDM not found for " << cdm_id;
     return;
   }
 
   // TODO(xhwang): This could possibly fail. In that case we should reject the
   // promise.
   media_player->SetCdm(cdm);
 }
 
 }  // namespace content