Change scoped_ptr to std::unique_ptr in //net.

net/ftp/ftp_network_layer.h

 // Copyright (c) 2012 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 NET_FTP_FTP_NETWORK_LAYER_H_
 #define NET_FTP_FTP_NETWORK_LAYER_H_
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "net/base/net_export.h"
 #include "net/ftp/ftp_transaction_factory.h"
 
 namespace net {
 
 class FtpNetworkSession;
 class HostResolver;
 
 class NET_EXPORT FtpNetworkLayer : public FtpTransactionFactory {
  public:
   explicit FtpNetworkLayer(HostResolver* host_resolver);
   ~FtpNetworkLayer() override;
 
   // FtpTransactionFactory methods:
-  scoped_ptr<FtpTransaction> CreateTransaction() override;
+  std::unique_ptr<FtpTransaction> CreateTransaction() override;
   void Suspend(bool suspend) override;
 
  private:
-  scoped_ptr<FtpNetworkSession> session_;
+  std::unique_ptr<FtpNetworkSession> session_;
   bool suspended_;
   DISALLOW_COPY_AND_ASSIGN(FtpNetworkLayer);
 };
 
 }  // namespace net
 
 #endif  // NET_FTP_FTP_NETWORK_LAYER_H_