| // Copyright (c) 2013 The Chromium OS 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 CHROMEOS_PLATFORM_UPDATE_ENGINE_HWID_OVERRIDE_H_ | 
 | #define CHROMEOS_PLATFORM_UPDATE_ENGINE_HWID_OVERRIDE_H_ | 
 |  | 
 | #include <map> | 
 | #include <string> | 
 |  | 
 | #include <base/basictypes.h> | 
 | #include <base/files/file_path.h> | 
 |  | 
 | namespace chromeos_update_engine { | 
 |  | 
 | // Class that allows HWID to be read from <root>/etc/lsb-release. | 
 | class HwidOverride { | 
 |  public: | 
 |   HwidOverride(); | 
 |   ~HwidOverride(); | 
 |  | 
 |   // Read HWID from an /etc/lsb-release file under given root. | 
 |   // An empty string is returned if there is any error. | 
 |   static std::string Read(const base::FilePath& root); | 
 |  | 
 |   static const char kHwidOverrideKey[]; | 
 |  private: | 
 |   DISALLOW_COPY_AND_ASSIGN(HwidOverride); | 
 | }; | 
 |  | 
 | }  // namespace chromeos_update_engine | 
 |  | 
 | #endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_HWID_OVERRIDE_H_ |