Convert //remoting to use std::unique_ptr

remoting/base/vlog_net_log.h

 // Copyright 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_BASE_VLOG_NET_LOG_H_
 #define REMOTING_BASE_VLOG_NET_LOG_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "net/log/net_log.h"
 
 namespace remoting {
 
 // Redirectes all networking events (i.e. events logged through net::NetLog) to
 // VLOG(4). Note that an explicit reference to a net::NetLog object has to be
 // passed to networking classes to receive the events. There is no global
 // network events logger exists.
 class VlogNetLog : public net::NetLog {
  public:
   VlogNetLog();
   ~VlogNetLog() override;
 
  private:
   class Observer;
-  scoped_ptr<Observer> observer_;
+  std::unique_ptr<Observer> observer_;
 
   DISALLOW_COPY_AND_ASSIGN(VlogNetLog);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_BASE_VLOG_NET_LOG_H_