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

chrome/browser/chromeos/policy/device_local_account_external_data_manager.cc

 // 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.
 
 #include "chrome/browser/chromeos/policy/device_local_account_external_data_manager.h"
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
+#include "base/memory/ptr_util.h"
 #include "base/sequenced_task_runner.h"
 #include "chrome/browser/chromeos/policy/cloud_external_data_store.h"
 #include "chrome/browser/chromeos/policy/device_local_account_external_data_service.h"
 #include "components/policy/core/common/cloud/resource_cache.h"
 #include "policy/policy_constants.h"
 
 namespace policy {
 
 DeviceLocalAccountExternalDataManager::DeviceLocalAccountExternalDataManager(
     const std::string& account_id,
     const GetChromePolicyDetailsCallback& get_policy_details,
     scoped_refptr<base::SequencedTaskRunner> backend_task_runner,
     scoped_refptr<base::SequencedTaskRunner> io_task_runner,
     ResourceCache* resource_cache)
     : CloudExternalDataManagerBase(get_policy_details,
                                    backend_task_runner,
                                    io_task_runner) {
-  SetExternalDataStore(make_scoped_ptr(new CloudExternalDataStore(
+  SetExternalDataStore(base::WrapUnique(new CloudExternalDataStore(
       account_id, backend_task_runner, resource_cache)));
 }
 
 DeviceLocalAccountExternalDataManager::
     ~DeviceLocalAccountExternalDataManager() {
-  SetExternalDataStore(scoped_ptr<CloudExternalDataStore>());
+  SetExternalDataStore(std::unique_ptr<CloudExternalDataStore>());
 }
 
 void DeviceLocalAccountExternalDataManager::OnPolicyStoreLoaded() {
   CloudExternalDataManagerBase::OnPolicyStoreLoaded();
   // Proactively try to download and cache all external data referenced by
   // policies.
   FetchAll();
 }
 
 }  // namespace policy