Replace scoped_ptr with unique_ptr everywhere

talk/app/webrtc/objc/RTCVideoCapturer.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 25 matching lines @@
 #include "webrtc/media/base/videocapturer.h"
 #include "webrtc/media/engine/webrtcvideocapturerfactory.h"
 
 @implementation RTCVideoCapturer {
   std::unique_ptr<cricket::VideoCapturer> _capturer;
 }
 
 + (RTCVideoCapturer*)capturerWithDeviceName:(NSString*)deviceName {
   cricket::WebRtcVideoDeviceCapturerFactory factory;
   cricket::Device device(std::string(deviceName.UTF8String), 0);
-  rtc::scoped_ptr<cricket::VideoCapturer> capturer(factory.Create(device));
+  std::unique_ptr<cricket::VideoCapturer> capturer(factory.Create(device));
   RTCVideoCapturer* rtcCapturer =
       [[RTCVideoCapturer alloc] initWithCapturer:capturer.release()];
   return rtcCapturer;
 }
 
 @end
 
 @implementation RTCVideoCapturer (Internal)
 
 - (id)initWithCapturer:(cricket::VideoCapturer*)capturer {
   if ((self = [super init])) {
     _capturer.reset(capturer);
   }
   return self;
 }
 
 - (cricket::VideoCapturer*)takeNativeCapturer {
   return _capturer.release();
 }
 
 @end