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

chrome/browser/chromeos/policy/fake_device_cloud_policy_manager.cc

 // Copyright 2014 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/fake_device_cloud_policy_manager.h"
 
 #include <utility>
 
 #include "base/callback.h"
 #include "chrome/browser/chromeos/policy/device_cloud_policy_store_chromeos.h"
 
 namespace policy {
 
 FakeDeviceCloudPolicyManager::FakeDeviceCloudPolicyManager(
-    scoped_ptr<DeviceCloudPolicyStoreChromeOS> store,
+    std::unique_ptr<DeviceCloudPolicyStoreChromeOS> store,
     const scoped_refptr<base::SequencedTaskRunner>& task_runner)
     : DeviceCloudPolicyManagerChromeOS(std::move(store), task_runner, NULL),
       unregister_result_(true) {}
 
 FakeDeviceCloudPolicyManager::~FakeDeviceCloudPolicyManager() {
   Shutdown();
 }
 
 void FakeDeviceCloudPolicyManager::Unregister(
     const UnregisterCallback& callback) {
   callback.Run(unregister_result_);
 }
 
 void FakeDeviceCloudPolicyManager::Disconnect() {
 }
 
 }  // namespace policy