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

net/ftp/ftp_network_layer.h

Index: net/ftp/ftp_network_layer.h
diff --git a/net/ftp/ftp_network_layer.h b/net/ftp/ftp_network_layer.h
index 877f8c01ee7f9eddd435ec03e10b4268aec0d090..9a904acc6ad519ebe8f93ec70be8422e158f8367 100644
--- a/net/ftp/ftp_network_layer.h
+++ b/net/ftp/ftp_network_layer.h
@@ -5,9 +5,10 @@
 #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"
 
@@ -22,11 +23,11 @@ class NET_EXPORT FtpNetworkLayer : public FtpTransactionFactory {
   ~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);
 };