Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/api/signed_in_devices/id_mapping_helper.h

 // Copyright (c) 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 CHROME_BROWSER_EXTENSIONS_API_SIGNED_IN_DEVICES_ID_MAPPING_HELPER_H__
 #define CHROME_BROWSER_EXTENSIONS_API_SIGNED_IN_DEVICES_ID_MAPPING_HELPER_H__
 
+#include <memory>
 #include <string>
 #include <vector>
 
-#include "base/memory/scoped_ptr.h"
 
 namespace base {
 class DictionaryValue;
 }  // namespace base
 
 namespace sync_driver {
 class DeviceInfo;
 }  // namespace sync_driver
 
 class Profile;
@@ skipping 21 matching lines @@
 // updated with the mappings. The |device_info| objects will also be updated
 // with the public ids.
 // The dictionary would have the public id as the key and the
 // device guid as the value.
 void CreateMappingForUnmappedDevices(
     std::vector<sync_driver::DeviceInfo*>* device_info,
     base::DictionaryValue* value);
 
 // Gets the device info for a given client id. If the device is not found
 // the returned pointer would be null.
-scoped_ptr<sync_driver::DeviceInfo> GetDeviceInfoForClientId(
+std::unique_ptr<sync_driver::DeviceInfo> GetDeviceInfoForClientId(
     const std::string& client_id,
     const std::string& extension_id,
     Profile* profile);
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SIGNED_IN_DEVICES_ID_MAPPING_HELPER_H__