| // Copyright 2018 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_MESSAGE_LOOP_MESSAGE_PUMP_FOR_IO_H_ | 
 | #define BASE_MESSAGE_LOOP_MESSAGE_PUMP_FOR_IO_H_ | 
 |  | 
 | // This header is a forwarding header to coalesce the various platform specific | 
 | // types representing MessagePumpForIO. | 
 |  | 
 | #include "build_config.h" | 
 |  | 
 | #if defined(OS_WIN) | 
 | #include "base/message_loop/message_pump_win.h" | 
 | #elif defined(OS_IOS) | 
 | #include "base/message_loop/message_pump_io_ios.h" | 
 | #elif defined(OS_NACL_SFI) | 
 | #include "base/message_loop/message_pump_default.h" | 
 | #elif defined(OS_FUCHSIA) | 
 | #include "base/message_loop/message_pump_fuchsia.h" | 
 | #elif defined(OS_POSIX) | 
 | #include "base/message_loop/message_pump_libevent.h" | 
 | #endif | 
 |  | 
 | namespace base { | 
 |  | 
 | #if defined(OS_WIN) | 
 | // Windows defines it as-is. | 
 | using MessagePumpForIO = MessagePumpForIO; | 
 | #elif defined(OS_IOS) | 
 | using MessagePumpForIO = MessagePumpIOSForIO; | 
 | #elif defined(OS_NACL_SFI) | 
 | using MessagePumpForIO = MessagePumpDefault; | 
 | #elif defined(OS_FUCHSIA) | 
 | using MessagePumpForIO = MessagePumpFuchsia; | 
 | #elif defined(OS_POSIX) | 
 | using MessagePumpForIO = MessagePumpLibevent; | 
 | #else | 
 | #error Platform does not define MessagePumpForIO | 
 | #endif | 
 |  | 
 | }  // namespace base | 
 |  | 
 | #endif  // BASE_MESSAGE_LOOP_MESSAGE_PUMP_FOR_IO_H_ |