Replace scoped_ptr with unique_ptr everywhere

webrtc/sdk/objc/Framework/Classes/RTCVideoRendererAdapter.mm

 /*
  *  Copyright 2015 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.
  */
 
 #import "RTCVideoRendererAdapter+Private.h"
 
 #import "RTCVideoFrame+Private.h"
 
+#include <memory>
+
 #include "webrtc/media/engine/webrtcvideoframe.h"
 
 namespace webrtc {
 
 class VideoRendererAdapter
     : public rtc::VideoSinkInterface<cricket::VideoFrame> {
  public:
   VideoRendererAdapter(RTCVideoRendererAdapter* adapter) {
     adapter_ = adapter;
     size_ = CGSizeZero;
@@ skipping 28 matching lines @@
     [adapter_.videoRenderer renderFrame:videoFrame];
   }
 
  private:
   __weak RTCVideoRendererAdapter *adapter_;
   CGSize size_;
 };
 }
 
 @implementation RTCVideoRendererAdapter {
-  rtc::scoped_ptr<webrtc::VideoRendererAdapter> _adapter;
+  std::unique_ptr<webrtc::VideoRendererAdapter> _adapter;
 }
 
 @synthesize videoRenderer = _videoRenderer;
 
 - (instancetype)initWithNativeRenderer:(id<RTCVideoRenderer>)videoRenderer {
   NSParameterAssert(videoRenderer);
   if (self = [super init]) {
     _videoRenderer = videoRenderer;
     _adapter.reset(new webrtc::VideoRendererAdapter(self));
   }
   return self;
 }
 
 - (rtc::VideoSinkInterface<cricket::VideoFrame> *)nativeVideoRenderer {
   return _adapter.get();
 }
 
 @end