Replace scoped_ptr with unique_ptr in talk/

talk/app/webrtc/objc/RTCVideoRendererAdapter.mm

 /*
  * libjingle
  * Copyright 2013 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 14 matching lines @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 #import "RTCI420Frame+Internal.h"
 #import "RTCVideoRendererAdapter.h"
 
+#include <memory>
+
 namespace webrtc {
 
 class RTCVideoRendererNativeAdapter : public VideoRendererInterface {
  public:
   RTCVideoRendererNativeAdapter(RTCVideoRendererAdapter* adapter) {
     _adapter = adapter;
     _size = CGSizeZero;
   }
 
   void RenderFrame(const cricket::VideoFrame* videoFrame) override {
     const cricket::VideoFrame* frame = videoFrame->GetCopyWithRotationApplied();
     CGSize currentSize = CGSizeMake(frame->GetWidth(), frame->GetHeight());
     if (!CGSizeEqualToSize(_size, currentSize)) {
       _size = currentSize;
       [_adapter.videoRenderer setSize:_size];
     }
     RTCI420Frame* i420Frame = [[RTCI420Frame alloc] initWithVideoFrame:frame];
     [_adapter.videoRenderer renderFrame:i420Frame];
   }
 
  private:
   __weak RTCVideoRendererAdapter* _adapter;
   CGSize _size;
 };
 }
 
 @implementation RTCVideoRendererAdapter {
   id<RTCVideoRenderer> _videoRenderer;
-  rtc::scoped_ptr<webrtc::RTCVideoRendererNativeAdapter> _adapter;
+  std::unique_ptr<webrtc::RTCVideoRendererNativeAdapter> _adapter;
 }
 
 - (instancetype)initWithVideoRenderer:(id<RTCVideoRenderer>)videoRenderer {
   NSParameterAssert(videoRenderer);
   if (self = [super init]) {
     _videoRenderer = videoRenderer;
     _adapter.reset(new webrtc::RTCVideoRendererNativeAdapter(self));
   }
   return self;
 }
 
 - (webrtc::VideoRendererInterface*)nativeVideoRenderer {
   return _adapter.get();
 }
 
 @end