Remove base/platform_file.*

chrome/browser/extensions/api/serial/serial_io_handler.h

 // Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_API_SERIAL_SERIAL_IO_HANDLER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_SERIAL_SERIAL_IO_HANDLER_H_
 
 #include "base/callback.h"
+#include "base/files/file.h"
 #include "base/memory/ref_counted.h"
-#include "base/platform_file.h"
 #include "base/threading/non_thread_safe.h"
 #include "chrome/common/extensions/api/serial.h"
 #include "net/base/io_buffer.h"
 
 namespace extensions {
 
 // Provides a simplified interface for performing asynchronous I/O on serial
 // devices by hiding platform-specific MessageLoop interfaces. Pending I/O
 // operations hold a reference to this object until completion so that memory
 // doesn't disappear out from under the OS.
@@ skipping 143 matching lines @@
 
   ReadCompleteCallback read_complete_;
   WriteCompleteCallback write_complete_;
 
   DISALLOW_COPY_AND_ASSIGN(SerialIoHandler);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SERIAL_SERIAL_IO_HANDLER_H_