|  | // Copyright (c) 2011 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_I18N_CASE_CONVERSION_H_ | 
|  | #define BASE_I18N_CASE_CONVERSION_H_ | 
|  |  | 
|  | #include "base/i18n/base_i18n_export.h" | 
|  | #include "base/string16.h" | 
|  | #include "base/string_piece.h" | 
|  |  | 
|  | namespace base { | 
|  | namespace i18n { | 
|  |  | 
|  | // Returns the lower case equivalent of string. Uses ICU's default locale. | 
|  | BASE_I18N_EXPORT string16 ToLower(const StringPiece16& string); | 
|  |  | 
|  | // Returns the upper case equivalent of string. Uses ICU's default locale. | 
|  | BASE_I18N_EXPORT string16 ToUpper(const StringPiece16& string); | 
|  |  | 
|  | }  // namespace i18n | 
|  | }  // namespace base | 
|  |  | 
|  | #endif  // BASE_I18N_CASE_CONVERSION_H_ |