|  | // Copyright 2013 The Flutter 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 FLUTTER_SHELL_PLATFORM_WINDOWS_STRING_CONVERSION_H_ | 
|  | #define FLUTTER_SHELL_PLATFORM_WINDOWS_STRING_CONVERSION_H_ | 
|  |  | 
|  | #include <string> | 
|  |  | 
|  | namespace flutter { | 
|  |  | 
|  | // Converts a string from UTF-16 to UTF-8. Returns an empty string if the | 
|  | // input is not valid UTF-16. | 
|  | std::string Utf8FromUtf16(const std::wstring& utf16_string); | 
|  |  | 
|  | // Converts a string from UTF-8 to UTF-16. Returns an empty string if the | 
|  | // input is not valid UTF-8. | 
|  | std::wstring Utf16FromUtf8(const std::string& utf8_string); | 
|  |  | 
|  | }  // namespace flutter | 
|  |  | 
|  | #endif  // FLUTTER_SHELL_PLATFORM_WINDOWS_STRING_CONVERSION_H_ |