Remove MediaPlayerAndroid::IsSurfaceInUse() call

media/base/android/media_player_android.h

 // Copyright (c) 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.
 
 #ifndef MEDIA_BASE_ANDROID_MEDIA_PLAYER_ANDROID_H_
 #define MEDIA_BASE_ANDROID_MEDIA_PLAYER_ANDROID_H_
 
 #include <jni.h>
 #include <string>
 
@@ skipping 55 matching lines @@
   virtual bool IsPlayerReady() = 0;
   virtual bool CanPause() = 0;
   virtual bool CanSeekForward() = 0;
   virtual bool CanSeekBackward() = 0;
   virtual GURL GetUrl();
   virtual GURL GetFirstPartyForCookies();
 
   // Associates the |cdm| with this player.
   virtual void SetCdm(BrowserCdm* cdm);
 
-  // Check whether the player still uses the current surface.
-  virtual bool IsSurfaceInUse() const = 0;
-
   int player_id() { return player_id_; }
 
   GURL frame_url() { return frame_url_; }
 
  protected:
   MediaPlayerAndroid(int player_id,
                      MediaPlayerManager* manager,
                      const RequestMediaResourcesCB& request_media_resources_cb,
                      const GURL& frame_url);
 
@@ skipping 10 matching lines @@
 
   // Url for the frame that contains this player.
   GURL frame_url_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaPlayerAndroid);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_MEDIA_PLAYER_ANDROID_H_