Revert of Remove secondary player from Media Sessions

content/browser/media/android/media_web_contents_observer_android.h

 // 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.
 
 #ifndef CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_WEB_CONTENTS_OBSERVER_ANDROID_H_
 #define CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_WEB_CONTENTS_OBSERVER_ANDROID_H_
 
 #include <stdint.h>
 
 #include "base/containers/scoped_ptr_hash_map.h"
@@ skipping 40 matching lines @@
   // Initiates a synchronous MediaSession request for browser side players.
   //
   // TODO(dalecurtis): Delete this method once we're no longer using WMPA and
   // the BrowserMediaPlayerManagers.  Tracked by http://crbug.com/580626
   bool RequestPlay(RenderFrameHost* render_frame_host,
                    int delegate_id,
                    bool has_audio,
                    bool is_remote,
                    base::TimeDelta duration);
 
-  void DisconnectMediaSession(RenderFrameHost* render_frame_host,
-                              int delegate_id);
-
 #if defined(VIDEO_HOLE)
   void OnFrameInfoUpdated();
 #endif  // defined(VIDEO_HOLE)
 
   // MediaWebContentsObserver overrides.
   void RenderFrameDeleted(RenderFrameHost* render_frame_host) override;
   bool OnMessageReceived(const IPC::Message& message,
                          RenderFrameHost* render_frame_host) override;
 
  private:
@@ skipping 49 matching lines @@
       base::ScopedPtrHashMap<RenderFrameHost*,
                              scoped_ptr<BrowserSurfaceViewManager>>;
   SurfaceViewManagerMap surface_view_managers_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaWebContentsObserverAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_WEB_CONTENTS_OBSERVER_ANDROID_H_