|  | // 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 BASE_VALUE_CONVERSIONS_H_ | 
|  | #define BASE_VALUE_CONVERSIONS_H_ | 
|  |  | 
|  | // This file contains methods to convert things to a |Value| and back. | 
|  |  | 
|  | #include <memory> | 
|  | #include "base/base_export.h" | 
|  |  | 
|  | namespace base { | 
|  |  | 
|  | class FilePath; | 
|  | class TimeDelta; | 
|  | class UnguessableToken; | 
|  | class Value; | 
|  |  | 
|  | // The caller takes ownership of the returned value. | 
|  | BASE_EXPORT std::unique_ptr<Value> CreateFilePathValue( | 
|  | const FilePath& in_value); | 
|  | BASE_EXPORT bool GetValueAsFilePath(const Value& value, FilePath* file_path); | 
|  |  | 
|  | BASE_EXPORT std::unique_ptr<Value> CreateTimeDeltaValue(const TimeDelta& time); | 
|  | BASE_EXPORT bool GetValueAsTimeDelta(const Value& value, TimeDelta* time); | 
|  |  | 
|  | BASE_EXPORT std::unique_ptr<Value> CreateUnguessableTokenValue( | 
|  | const UnguessableToken& token); | 
|  | BASE_EXPORT bool GetValueAsUnguessableToken(const Value& value, | 
|  | UnguessableToken* token); | 
|  |  | 
|  | }  // namespace base | 
|  |  | 
|  | #endif  // BASE_VALUE_CONVERSIONS_H_ |