Move policy code into components/policy.

chrome/browser/policy/cloud/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/cloud_external_data_manager.h"
-
-#include "chrome/browser/policy/cloud/cloud_policy_store.h"
-#include "net/url_request/url_request_context_getter.h"
-
-namespace policy {
-
-CloudExternalDataManager::MetadataEntry::MetadataEntry() {
-}
-
-CloudExternalDataManager::MetadataEntry::MetadataEntry(const std::string& url,
-                                                       const std::string& hash)
-    : url(url),
-      hash(hash) {
-}
-
-bool CloudExternalDataManager::MetadataEntry::operator!=(
-    const MetadataEntry& other) const {
-  return url != other.url || hash != other.hash;
-}
-
-CloudExternalDataManager::CloudExternalDataManager() : policy_store_(NULL),
-                                                       weak_factory_(this) {
-}
-
-CloudExternalDataManager::~CloudExternalDataManager() {
-}
-
-void CloudExternalDataManager::SetPolicyStore(CloudPolicyStore* policy_store) {
-  weak_factory_.InvalidateWeakPtrs();
-  policy_store_ = policy_store;
-  if (policy_store_)
-    policy_store_->SetExternalDataManager(weak_factory_.GetWeakPtr());
-}
-
-}  // namespace policy