Remove FX_DWORD from core/ and delete definition

core/fxcrt/fxcrt_posix.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/fxcrt/fxcrt_posix.h"
 
 #include "core/fxcrt/include/fx_basic.h"
 
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ || \
     _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ || \
     _FXM_PLATFORM_ == _FXM_PLATFORM_ANDROID_
 IFXCRT_FileAccess* FXCRT_FileAccess_Create() {
   return new CFXCRT_FileAccess_Posix;
 }
-void FXCRT_Posix_GetFileMode(FX_DWORD dwModes,
+void FXCRT_Posix_GetFileMode(uint32_t dwModes,
                              int32_t& nFlags,
                              int32_t& nMasks) {
   nFlags = O_BINARY | O_LARGEFILE;
   if (dwModes & FX_FILEMODE_ReadOnly) {
     nFlags |= O_RDONLY;
     nMasks = 0;
   } else {
     nFlags |= O_RDWR | O_CREAT;
     if (dwModes & FX_FILEMODE_Truncate) {
       nFlags |= O_TRUNC;
     }
     nMasks = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
   }
 }
 CFXCRT_FileAccess_Posix::CFXCRT_FileAccess_Posix() : m_nFD(-1) {}
 CFXCRT_FileAccess_Posix::~CFXCRT_FileAccess_Posix() {
   Close();
 }
 FX_BOOL CFXCRT_FileAccess_Posix::Open(const CFX_ByteStringC& fileName,
-                                      FX_DWORD dwMode) {
+                                      uint32_t dwMode) {
   if (m_nFD > -1) {
     return FALSE;
   }
   int32_t nFlags, nMasks;
   FXCRT_Posix_GetFileMode(dwMode, nFlags, nMasks);
   m_nFD = open(fileName.GetCStr(), nFlags, nMasks);
   return m_nFD > -1;
 }
 FX_BOOL CFXCRT_FileAccess_Posix::Open(const CFX_WideStringC& fileName,
-                                      FX_DWORD dwMode) {
+                                      uint32_t dwMode) {
   return Open(FX_UTF8Encode(fileName), dwMode);
 }
 void CFXCRT_FileAccess_Posix::Close() {
   if (m_nFD < 0) {
     return;
   }
   close(m_nFD);
   m_nFD = -1;
 }
 void CFXCRT_FileAccess_Posix::Release() {
@@ skipping 63 matching lines @@
   }
   return fsync(m_nFD) > -1;
 }
 FX_BOOL CFXCRT_FileAccess_Posix::Truncate(FX_FILESIZE szFile) {
   if (m_nFD < 0) {
     return FALSE;
   }
   return !ftruncate(m_nFD, szFile);
 }
 #endif