Convert //remoting to use std::unique_ptr

remoting/host/host_change_notification_listener.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_HOST_HOST_CHANGE_NOTIFICATION_LISTENER_H
 #define REMOTING_HOST_HOST_CHANGE_NOTIFICATION_LISTENER_H
 
+#include <memory>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "remoting/signaling/signal_strategy.h"
 
 namespace buzz {
 class XmlElement;
 }  // namespace buzz
 
 namespace remoting {
 
 // HostChangeNotificationListener listens for messages from the remoting bot
@@ skipping 28 matching lines @@
   std::string host_id_;
   SignalStrategy* signal_strategy_;
   std::string directory_bot_jid_;
   base::WeakPtrFactory<HostChangeNotificationListener> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(HostChangeNotificationListener);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_HOST_CHANGE_NOTIFICATION_LISTENER_H