Implement cloud policy invalidations using the invalidation service framework.

chrome/browser/policy/cloud/cloud_policy_store.cc

 // Copyright (c) 2012 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 "base/logging.h"
 #include "chrome/browser/policy/cloud/cloud_policy_store.h"
 
 namespace policy {
 
 CloudPolicyStore::Observer::~Observer() {}
 
 CloudPolicyStore::CloudPolicyStore()
     : status_(STATUS_OK),
       validation_status_(CloudPolicyValidatorBase::VALIDATION_OK),
-      is_initialized_(false) {}
+      is_initialized_(false),
+      hash_value_(0),
+      policy_changed_(false),
+      invalidation_version_(0) {}
 
 CloudPolicyStore::~CloudPolicyStore() {}
 
 void CloudPolicyStore::AddObserver(CloudPolicyStore::Observer* observer) {
   observers_.AddObserver(observer);
 }
 
 void CloudPolicyStore::RemoveObserver(CloudPolicyStore::Observer* observer) {
   observers_.RemoveObserver(observer);
 }
 
 void CloudPolicyStore::NotifyStoreLoaded() {
   is_initialized_ = true;
   FOR_EACH_OBSERVER(Observer, observers_, OnStoreLoaded(this));
 }
 
 void CloudPolicyStore::NotifyStoreError() {
   is_initialized_ = true;
   FOR_EACH_OBSERVER(Observer, observers_, OnStoreError(this));
 }
 
-}  // namespace
+void CloudPolicyStore::SetPolicyHashValue(uint32 hash_value) {
+  policy_changed_ = hash_value != hash_value_;
+  hash_value_ = hash_value;
+}
+
+}  // namespace policy