Enable seek in fullscreen mode for MSE impl on android

content/browser/android/media_player_manager_impl.h

 // Copyright (c) 2012 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_ANDROID_MEDIA_PLAYER_MANAGER_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_MEDIA_PLAYER_MANAGER_IMPL_H_
 
 #include <map>
 
 #include "base/callback.h"
@@ skipping 54 matching lines @@
       int player_id, int width, int height) OVERRIDE;
   virtual void OnReadFromDemuxer(
       int player_id,
       media::DemuxerStream::Type type,
       bool seek_done) OVERRIDE;
   virtual void RequestMediaResources(
       media::MediaPlayerAndroid* player) OVERRIDE;
   virtual void ReleaseMediaResources(
       media::MediaPlayerAndroid* player) OVERRIDE;
   virtual media::MediaResourceGetter* GetMediaResourceGetter() OVERRIDE;
+  virtual void OnMediaSeekRequest(int player_id, base::TimeDelta time_to_seek)
+      OVERRIDE;
 
   // Release all the players managed by this object.
   void DestroyAllMediaPlayers();
 
 #if defined(GOOGLE_TV)
   void AttachExternalVideoSurface(int player_id, jobject surface);
   void DetachExternalVideoSurface(int player_id);
 #endif
 
   media::MediaPlayerAndroid* GetFullscreenPlayer();
@@ skipping 10 matching lines @@
   void OnSeek(int player_id, base::TimeDelta time);
   void OnPause(int player_id);
   void OnReleaseResources(int player_id);
   void OnDestroyPlayer(int player_id);
   void OnDemuxerReady(
       int player_id,
       const media::MediaPlayerHostMsg_DemuxerReady_Params& params);
   void OnReadFromDemuxerAck(
       int player_id,
       const media::MediaPlayerHostMsg_ReadFromDemuxerAck_Params& params);
+  void OnMediaSeekRequestAck(int player_id);
 
 #if defined(GOOGLE_TV)
   void OnNotifyExternalSurface(
       int player_id, bool is_request, const gfx::RectF& rect);
 #endif
 
   // An array of managed players.
   ScopedVector<media::MediaPlayerAndroid> players_;
 
   // The fullscreen video view object.
   ContentVideoView video_view_;
 
   // Player ID of the fullscreen media player.
   int fullscreen_player_id_;
 
   WebContents* web_contents_;
 
   // Object for retrieving resources media players.
   scoped_ptr<media::MediaResourceGetter> media_resource_getter_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaPlayerManagerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_MEDIA_PLAYER_MANAGER_IMPL_H_