Replace scoped_ptr with unique_ptr in webrtc/libjingle/

webrtc/libjingle/xmpp/xmppclient.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_LIBJINGLE_XMPP_XMPPCLIENT_H_
 #define WEBRTC_LIBJINGLE_XMPP_XMPPCLIENT_H_
 
+#include <memory>
 #include <string>
+
 #include "webrtc/libjingle/xmpp/asyncsocket.h"
 #include "webrtc/libjingle/xmpp/xmppclientsettings.h"
 #include "webrtc/libjingle/xmpp/xmppengine.h"
 #include "webrtc/libjingle/xmpp/xmpptask.h"
 #include "webrtc/base/sigslot.h"
 #include "webrtc/base/task.h"
 
 namespace buzz {
 
 class PreXmppAuth;
@@ skipping 104 matching lines @@
       default: return Task::GetStateName(state);
     }
   }
 
   int ProcessTokenLogin();
   int ProcessStartXmppLogin();
   void EnsureClosed();
 
   class Private;
   friend class Private;
-  rtc::scoped_ptr<Private> d_;
+  std::unique_ptr<Private> d_;
 
   bool delivering_signal_;
   bool valid_;
 };
 
 }
 
 #endif  // WEBRTC_LIBJINGLE_XMPP_XMPPCLIENT_H_