Convert //ash from scoped_ptr to std::unique_ptr

ash/networking_config_delegate.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 ASH_NETWORKING_CONFIG_DELEGATE_H_
 #define ASH_NETWORKING_CONFIG_DELEGATE_H_
 
+#include <memory>
 #include <string>
 
 #include "ash/ash_export.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace ash {
 
 // This delegate allows the UI code in ash, e.g. |NetworkStateListDetailedView|,
 // to access the |NetworkingConfigService| in order to determine whether the
 // configuration of a network identified by its |service_path| is controlled by
 // an extension.
 class NetworkingConfigDelegate {
  public:
   // A struct that provides information about the extension controlling the
   // configuration of a network.
   struct ASH_EXPORT ExtensionInfo {
     ExtensionInfo(const std::string& id, const std::string& name);
     ~ExtensionInfo();
     std::string extension_id;
     std::string extension_name;
   };
 
   virtual ~NetworkingConfigDelegate() {}
 
   // Returns information about the extension registered to control configuration
   // of the network |service_path|. If no extension is registered, the
   // scoped_ptr is empty.
-  virtual scoped_ptr<const ExtensionInfo> LookUpExtensionForNetwork(
+  virtual std::unique_ptr<const ExtensionInfo> LookUpExtensionForNetwork(
       const std::string& service_path) = 0;
 
  private:
   DISALLOW_ASSIGN(NetworkingConfigDelegate);
 };
 
 }  // namespace ash
 
 #endif  // ASH_NETWORKING_CONFIG_DELEGATE_H_