Implement new-style CloudPolicyStore for Chrome OS device policy.

chrome/browser/policy/cloud_policy_client.h

 // 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.
 
 #ifndef CHROME_BROWSER_POLICY_CLOUD_POLICY_CLIENT_H_
 #define CHROME_BROWSER_POLICY_CLOUD_POLICY_CLIENT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 114 matching lines @@
   }
 
   void clear_public_key_version() {
     public_key_version_valid_ = false;
   }
 
   // Whether the client is registered with the device management service.
   bool is_registered() const { return !dm_token_.empty(); }
 
   // The policy response as obtained by the last request to the cloud. This
-  // policy blob hasn't gone through verification, so it's contents cannot be
+  // policy blob hasn't gone through verification, so its contents cannot be
   // trusted. Use CloudPolicyStore::policy() and CloudPolicyStore::policy_map()
   // instead for making policy decisions.
   const enterprise_management::PolicyFetchResponse* policy() const {
     return policy_.get();
   }
 
   DeviceManagementStatus status() const {
     return status_;
   }
 
@@ skipping 51 matching lines @@
 
   ObserverList<Observer, true> observers_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CloudPolicyClient);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CLOUD_POLICY_CLIENT_H_