Replace scoped_ptr with unique_ptr in talk/

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 13 matching lines @@
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 #import "RTCVideoCapturer+Internal.h"
 
+#include <memory>
+
 #include "webrtc/media/base/videocapturer.h"
 #include "webrtc/media/devices/devicemanager.h"
 
 @implementation RTCVideoCapturer {
-  rtc::scoped_ptr<cricket::VideoCapturer> _capturer;
+  std::unique_ptr<cricket::VideoCapturer> _capturer;
 }
 
 + (RTCVideoCapturer*)capturerWithDeviceName:(NSString*)deviceName {
   const std::string& device_name = std::string([deviceName UTF8String]);
-  rtc::scoped_ptr<cricket::DeviceManagerInterface> device_manager(
+  std::unique_ptr<cricket::DeviceManagerInterface> device_manager(
       cricket::DeviceManagerFactory::Create());
   bool initialized = device_manager->Init();
   NSAssert(initialized, @"DeviceManager::Init() failed");
   cricket::Device device;
   if (!device_manager->GetVideoCaptureDevice(device_name, &device)) {
     LOG(LS_ERROR) << "GetVideoCaptureDevice failed";
     return 0;
   }
-  rtc::scoped_ptr<cricket::VideoCapturer> capturer(
+  std::unique_ptr<cricket::VideoCapturer> capturer(
       device_manager->CreateVideoCapturer(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