Remove FX_DWORD from core/ and delete definition

core/fpdfapi/fpdf_parser/cpdf_dictionary.cpp

 // Copyright 2016 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/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
 
 #include "core/fpdfapi/fpdf_parser/cpdf_boolean.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
@@ skipping 211 matching lines @@
   SetAt(key, new CPDF_Name(name));
 }
 
 void CPDF_Dictionary::SetAtString(const CFX_ByteStringC& key,
                                   const CFX_ByteString& str) {
   SetAt(key, new CPDF_String(str, FALSE));
 }
 
 void CPDF_Dictionary::SetAtReference(const CFX_ByteStringC& key,
                                      CPDF_IndirectObjectHolder* pDoc,
-                                     FX_DWORD objnum) {
+                                     uint32_t objnum) {
   SetAt(key, new CPDF_Reference(pDoc, objnum));
 }
 
 void CPDF_Dictionary::AddReference(const CFX_ByteStringC& key,
                                    CPDF_IndirectObjectHolder* pDoc,
-                                   FX_DWORD objnum) {
+                                   uint32_t objnum) {
   SetAt(key, new CPDF_Reference(pDoc, objnum));
 }
 
 void CPDF_Dictionary::SetAtNumber(const CFX_ByteStringC& key, FX_FLOAT f) {
   CPDF_Number* pNumber = new CPDF_Number(f);
   SetAt(key, pNumber);
 }
 
 void CPDF_Dictionary::SetAtBoolean(const CFX_ByteStringC& key, FX_BOOL bValue) {
   SetAt(key, new CPDF_Boolean(bValue));
@@ skipping 13 matching lines @@
                                   const CFX_Matrix& matrix) {
   CPDF_Array* pArray = new CPDF_Array;
   pArray->AddNumber(matrix.a);
   pArray->AddNumber(matrix.b);
   pArray->AddNumber(matrix.c);
   pArray->AddNumber(matrix.d);
   pArray->AddNumber(matrix.e);
   pArray->AddNumber(matrix.f);
   SetAt(key, pArray);
 }