text: // 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_ASH_SETTINGS_DEVICE_SETTINGS_CACHE_H_
  #define CHROME_BROWSER_ASH_SETTINGS_DEVICE_SETTINGS_CACHE_H_
  
  #include <string>
  
  namespace enterprise_management {
  class PolicyData;
  }
  
  class PrefService;
  class PrefRegistrySimple;
  
  namespace chromeos {
  
  // There is need (metrics at OOBE stage) to store settings (that normally would
  // go into DeviceSettings storage) before owner has been assigned (hence no key
  // is available). This set of functions serves as a transient storage in that
  // case.
  namespace device_settings_cache {
  // Registers required pref section.
  void RegisterPrefs(PrefRegistrySimple* registry);
  
  // Stores a new policy blob inside the cache stored in |local_state|.
  bool Store(const enterprise_management::PolicyData& policy,
             PrefService* local_state);
  
  // Retrieves the policy blob from the cache stored in |local_state|.
  bool Retrieve(enterprise_management::PolicyData* policy,
                PrefService* local_state);
  
  // Call this after owner has been assigned to persist settings into
  // DeviceSettings storage.
  void Finalize(PrefService* local_state);
  
  // Used to convert |policy| into a string that is saved to prefs.
  std::string PolicyDataToString(const enterprise_management::PolicyData& policy);
  
  }  // namespace device_settings_cache
  
  }  // namespace chromeos
  
  #endif  // CHROME_BROWSER_ASH_SETTINGS_DEVICE_SETTINGS_CACHE_H_
  