Implement cloud policy invalidations using the invalidation service framework.

chrome/browser/policy/cloud/user_cloud_policy_store_base.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 "chrome/browser/policy/cloud/user_cloud_policy_store_base.h"
 
 #include "chrome/browser/policy/cloud/cloud_policy_constants.h"
 #include "policy/proto/cloud_policy.pb.h"
 
 namespace policy {
@@ skipping 13 matching lines @@
     scoped_ptr<enterprise_management::PolicyFetchResponse> policy) {
   // Configure the validator.
   UserCloudPolicyValidator* validator =
       UserCloudPolicyValidator::Create(policy.Pass());
   validator->ValidatePolicyType(GetChromeUserPolicyType());
   validator->ValidateAgainstCurrentPolicy(
       policy_.get(),
       CloudPolicyValidatorBase::TIMESTAMP_REQUIRED,
       CloudPolicyValidatorBase::DM_TOKEN_REQUIRED);
   validator->ValidatePayload();
+  validator->ValidateHashValue();
   return scoped_ptr<UserCloudPolicyValidator>(validator);
 }
 
 void UserCloudPolicyStoreBase::InstallPolicy(
     scoped_ptr<enterprise_management::PolicyData> policy_data,
-    scoped_ptr<enterprise_management::CloudPolicySettings> payload) {
+    scoped_ptr<enterprise_management::CloudPolicySettings> payload,
+    uint32 policy_hash_value) {
   // Decode the payload.
   policy_map_.Clear();
   DecodePolicy(*payload, &policy_map_);
   policy_ = policy_data.Pass();
+  SetPolicyHashValue(policy_hash_value);
 }
 
 }  // namespace policy