Replace scoped_ptr with unique_ptr everywhere

webrtc/media/base/videobroadcaster.h

 /*
  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_
 #define WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_
 
+#include <memory>
 #include <utility>
 #include <vector>
 
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/thread_checker.h"
 #include "webrtc/media/base/videoframe.h"
 #include "webrtc/media/base/videosinkinterface.h"
 #include "webrtc/media/base/videosourcebase.h"
 #include "webrtc/media/engine/webrtcvideoframe.h"
 
@@ skipping 24 matching lines @@
 
  protected:
   void UpdateWants() EXCLUSIVE_LOCKS_REQUIRED(sinks_and_wants_lock_);
   const cricket::VideoFrame& GetBlackFrame(const cricket::VideoFrame& frame)
       EXCLUSIVE_LOCKS_REQUIRED(sinks_and_wants_lock_);
 
   ThreadChecker thread_checker_;
   rtc::CriticalSection sinks_and_wants_lock_;
 
   VideoSinkWants current_wants_ GUARDED_BY(sinks_and_wants_lock_);
-  rtc::scoped_ptr<cricket::WebRtcVideoFrame> black_frame_;
+  std::unique_ptr<cricket::WebRtcVideoFrame> black_frame_;
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_