Replace scoped_ptr with unique_ptr in webrtc/media/

webrtc/media/engine/webrtcvideocapturerfactory.cc

 /*
  *  Copyright (c) 2004 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.
  */
 
-#include "webrtc/base/scoped_ptr.h"
+#include <memory>
+
 #include "webrtc/media/engine/webrtcvideocapturer.h"
 #include "webrtc/media/engine/webrtcvideocapturerfactory.h"
 
 namespace cricket {
 
 VideoCapturer* WebRtcVideoDeviceCapturerFactory::Create(const Device& device) {
 #ifdef HAVE_WEBRTC_VIDEO
-  rtc::scoped_ptr<WebRtcVideoCapturer> capturer(
+  std::unique_ptr<WebRtcVideoCapturer> capturer(
       new WebRtcVideoCapturer());
   if (!capturer->Init(device)) {
     return nullptr;
   }
   return capturer.release();
 #else
   return nullptr;
 #endif
 }
 
 }  // namespace cricket