Replace scoped_ptr with unique_ptr in webrtc/base/

webrtc/base/asyncudpsocket.h

 /*
  *  Copyright 2004 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.
  */
 
 #ifndef WEBRTC_BASE_ASYNCUDPSOCKET_H_
 #define WEBRTC_BASE_ASYNCUDPSOCKET_H_
 
+#include <memory>
+
 #include "webrtc/base/asyncpacketsocket.h"
-#include "webrtc/base/scoped_ptr.h"
 #include "webrtc/base/socketfactory.h"
 
 namespace rtc {
 
 // Provides the ability to receive packets asynchronously.  Sends are not
 // buffered since it is acceptable to drop packets under high load.
 class AsyncUDPSocket : public AsyncPacketSocket {
  public:
   // Binds |socket| and creates AsyncUDPSocket for it. Takes ownership
   // of |socket|. Returns NULL if bind() fails (|socket| is destroyed
@@ skipping 23 matching lines @@
   int SetOption(Socket::Option opt, int value) override;
   int GetError() const override;
   void SetError(int error) override;
 
  private:
   // Called when the underlying socket is ready to be read from.
   void OnReadEvent(AsyncSocket* socket);
   // Called when the underlying socket is ready to send.
   void OnWriteEvent(AsyncSocket* socket);
 
-  scoped_ptr<AsyncSocket> socket_;
+  std::unique_ptr<AsyncSocket> socket_;
   char* buf_;
   size_t size_;
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_ASYNCUDPSOCKET_H_