Add support for loading user cloud policy on desktop.

chrome/browser/policy/user_cloud_policy_store_base.cc

Index: chrome/browser/policy/user_cloud_policy_store_base.cc
diff --git a/chrome/browser/policy/user_cloud_policy_store_base.cc b/chrome/browser/policy/user_cloud_policy_store_base.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4658ab9c9efb0826e6538d6653e963164abbae3d
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+++ b/chrome/browser/policy/user_cloud_policy_store_base.cc
@@ -0,0 +1,44 @@
+// 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/user_cloud_policy_store_base.h"
+
+#include "chrome/browser/policy/cloud_policy_constants.h"
+#include "chrome/browser/policy/proto/cloud_policy.pb.h"
+
+namespace policy {
+
+// Decodes a CloudPolicySettings object into a policy map. The implementation is
+// generated code in policy/cloud_policy_generated.cc.
+void DecodePolicy(const enterprise_management::CloudPolicySettings& policy,
+                  PolicyMap* policies);
+
+UserCloudPolicyStoreBase::UserCloudPolicyStoreBase() {
+}
+
+UserCloudPolicyStoreBase::~UserCloudPolicyStoreBase() {
+}
+
+scoped_ptr<UserCloudPolicyValidator> UserCloudPolicyStoreBase::CreateValidator(
+      scoped_ptr<enterprise_management::PolicyFetchResponse> policy,
+      const UserCloudPolicyValidator::CompletionCallback& callback) {
+  // Configure the validator.
+  UserCloudPolicyValidator* validator =
+      UserCloudPolicyValidator::Create(policy.Pass(), callback);
+  validator->ValidatePolicyType(dm_protocol::kChromeUserPolicyType);
+  validator->ValidateAgainstCurrentPolicy(policy_.get());
+  validator->ValidatePayload();
+  return scoped_ptr<UserCloudPolicyValidator>(validator);
+}
+
+void UserCloudPolicyStoreBase::InstallPolicy(
+    scoped_ptr<enterprise_management::PolicyData> policy_data,
+    scoped_ptr<enterprise_management::CloudPolicySettings> payload) {
+  // Decode the payload.
+  policy_map_.Clear();
+  DecodePolicy(*payload, &policy_map_);
+  policy_ = policy_data.Pass();
+}
+
+}  // namespace policy