Convert //remoting to use std::unique_ptr

remoting/signaling/push_notification_subscriber.h

 // Copyright 2015 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_GCD_NOTIFICATION_SUBSCRIBER_H_
 #define REMOTING_HOST_GCD_NOTIFICATION_SUBSCRIBER_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "remoting/signaling/signal_strategy.h"
 
 namespace remoting {
 
 class IqSender;
 class IqRequest;
 
 // An object that subscribes to push notifications using an XMPP
 // channel.  The notifications themselves are ignored, but creating a
 // subscription is necessary, e.g., for GCD to see a device as online.
@@ skipping 17 matching lines @@
   // SignalStrategy::Listener interface.
   void OnSignalStrategyStateChange(SignalStrategy::State state) override;
   bool OnSignalStrategyIncomingStanza(const buzz::XmlElement* stanza) override;
 
   void Subscribe(const Subscription& subscription);
   void OnSubscriptionResult(IqRequest* request,
                             const buzz::XmlElement* response);
 
   SignalStrategy* signal_strategy_;
   SubscriptionList subscriptions_;
-  scoped_ptr<IqSender> iq_sender_;
-  scoped_ptr<IqRequest> iq_request_;
+  std::unique_ptr<IqSender> iq_sender_;
+  std::unique_ptr<IqRequest> iq_request_;
 
   DISALLOW_COPY_AND_ASSIGN(PushNotificationSubscriber);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_GCD_NOTIFICATION_SUBSCRIBER_H_