Move policy code into components/policy.

chrome/browser/policy/cloud/mock_cloud_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/policy/cloud/mock_cloud_external_data_manager.h"
-
-#include "base/callback.h"
-#include "base/memory/weak_ptr.h"
-#include "components/policy/core/common/external_data_fetcher.h"
-#include "net/url_request/url_request_context_getter.h"
-
-namespace policy {
-
-MockCloudExternalDataManager::MockCloudExternalDataManager() {
-}
-
-MockCloudExternalDataManager::~MockCloudExternalDataManager() {
-}
-
-scoped_ptr<ExternalDataFetcher>
-    MockCloudExternalDataManager::CreateExternalDataFetcher(
-        const std::string& policy) {
-  return make_scoped_ptr(new ExternalDataFetcher(weak_factory_.GetWeakPtr(),
-                                                 policy));
-}
-
-}  // namespace policy