Cleanup: Get rid of OS_WIN/OS_POSIX ifdefs from MojoApplication

base/files/file.h

 // 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_FILES_FILE_H_
 #define BASE_FILES_FILE_H_
 
 #include "build/build_config.h"
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #if defined(OS_POSIX)
 #include <sys/stat.h>
 #endif
 
 #include <string>
 
 #include "base/base_export.h"
 #include "base/basictypes.h"
+#include "base/files/platform_file.h"
 #include "base/files/scoped_file.h"
 #include "base/move.h"
 #include "base/time/time.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_handle.h"
 #endif
 
 namespace base {
 
 class FilePath;
 
-#if defined(OS_WIN)
-typedef HANDLE PlatformFile;
-#elif defined(OS_POSIX)
-typedef int PlatformFile;
-
+#if defined(OS_POSIX)
 #if defined(OS_BSD) || defined(OS_MACOSX) || defined(OS_NACL)
 typedef struct stat stat_wrapper_t;
 #else
 typedef struct stat64 stat_wrapper_t;
 #endif
-#endif  // defined(OS_POSIX)
+#endif
 
 // Thin wrapper around an OS-level file.
 // Note that this class does not provide any support for asynchronous IO, other
 // than the ability to create asynchronous handles on Windows.
 //
 // Note about const: this class does not attempt to determine if the underlying
 // file system object is affected by a particular method in order to consider
 // that method const or not. Only methods that deal with member variables in an
 // obvious non-modifying way are marked as const. Any method that forward calls
 // to the OS is not considered const, even if there is no apparent change to
@@ skipping 250 matching lines @@
 #endif
 
   Error error_details_;
   bool created_;
   bool async_;
 };
 
 }  // namespace base
 
 #endif  // BASE_FILES_FILE_H_