Replace scoped_ptr with unique_ptr in webrtc/modules/desktop_capture/

webrtc/modules/desktop_capture/cropped_desktop_frame.cc

 /*
  *  Copyright (c) 2014 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 <memory>
+
 #include "webrtc/modules/desktop_capture/cropped_desktop_frame.h"
 
 namespace webrtc {
 
 // A DesktopFrame that is a sub-rect of another DesktopFrame.
 class CroppedDesktopFrame : public DesktopFrame {
  public:
   CroppedDesktopFrame(DesktopFrame* frame, const DesktopRect& rect);
 
  private:
-  rtc::scoped_ptr<DesktopFrame> frame_;
+  std::unique_ptr<DesktopFrame> frame_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(CroppedDesktopFrame);
 };
 
 DesktopFrame*
 CreateCroppedDesktopFrame(DesktopFrame* frame, const DesktopRect& rect) {
   if (!DesktopRect::MakeSize(frame->size()).ContainsRect(rect)) {
     delete frame;
     return NULL;
   }
 
   return new CroppedDesktopFrame(frame, rect);
 }
 
 CroppedDesktopFrame::CroppedDesktopFrame(DesktopFrame* frame,
                                          const DesktopRect& rect)
     : DesktopFrame(rect.size(),
                    frame->stride(),
                    frame->GetFrameDataAtPos(rect.top_left()),
                    frame->shared_memory()),
       frame_(frame) {
 }
 
 }  // namespace webrtc