Replace scoped_ptr with unique_ptr in talk/

talk/app/webrtc/objc/RTCPeerConnectionFactory.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 "RTCPeerConnectionFactory+Internal.h"
 
+#include <memory>
 #include <vector>
 
 #import "RTCAudioTrack+Internal.h"
 #import "RTCICEServer+Internal.h"
 #import "RTCMediaConstraints+Internal.h"
 #import "RTCMediaSource+Internal.h"
 #import "RTCMediaStream+Internal.h"
 #import "RTCMediaStreamTrack+Internal.h"
 #import "RTCPeerConnection+Internal.h"
 #import "RTCPeerConnectionDelegate.h"
 #import "RTCPeerConnectionInterface+Internal.h"
 #import "RTCVideoCapturer+Internal.h"
 #import "RTCVideoSource+Internal.h"
 #import "RTCVideoTrack+Internal.h"
 
 #include "webrtc/api/audiotrack.h"
 #include "webrtc/api/mediastreaminterface.h"
 #include "webrtc/api/peerconnectioninterface.h"
 #include "webrtc/api/videosourceinterface.h"
 #include "webrtc/api/videotrack.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/base/ssladapter.h"
 
 @implementation RTCPeerConnectionFactory {
-  rtc::scoped_ptr<rtc::Thread> _signalingThread;
-  rtc::scoped_ptr<rtc::Thread> _workerThread;
+  std::unique_ptr<rtc::Thread> _signalingThread;
+  std::unique_ptr<rtc::Thread> _workerThread;
 }
 
 @synthesize nativeFactory = _nativeFactory;
 
 + (void)initializeSSL {
   BOOL initialized = rtc::InitializeSSL();
   NSAssert(initialized, @"Failed to initialize SSL library");
 }
 
 + (void)deinitializeSSL {
@@ skipping 68 matching lines @@
   return [[RTCVideoTrack alloc] initWithMediaTrack:track];
 }
 
 - (RTCAudioTrack*)audioTrackWithID:(NSString*)audioId {
   rtc::scoped_refptr<webrtc::AudioTrackInterface> track =
       self.nativeFactory->CreateAudioTrack([audioId UTF8String], NULL);
   return [[RTCAudioTrack alloc] initWithMediaTrack:track];
 }
 
 @end