Remove FX_DWORD from core/ and delete definition

core/fpdfapi/fpdf_page/fpdf_page_pattern.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/fpdfapi/fpdf_page/pageint.h"
 
 #include <algorithm>
 
@@ skipping 40 matching lines @@
   if (type == kTensorProductPatchMeshShading)
     point_count = kTensorCoordinatePairs;
   else if (type == kCoonsPatchMeshShading)
     point_count = kCoonsCoordinatePairs;
 
   int color_count = kSingleColorPerPatch;
   if (type == kCoonsPatchMeshShading || type == kTensorProductPatchMeshShading)
     color_count = kQuadColorsPerPatch;
 
   while (!stream.m_BitStream.IsEOF()) {
-    FX_DWORD flag = 0;
+    uint32_t flag = 0;
     if (type != kLatticeFormGouraudTriangleMeshShading)
       flag = stream.GetFlag();
 
     if (!bGouraud && flag) {
       point_count -= 4;
       color_count -= 2;
     }
 
     for (int i = 0; i < point_count; i++) {
       FX_FLOAT x, y;
       stream.GetCoords(x, y);
       if (bStarted) {
         rect.UpdateRect(x, y);
       } else {
         rect.InitRect(x, y);
         bStarted = TRUE;
       }
     }
     stream.m_BitStream.SkipBits(stream.m_nComps * stream.m_nCompBits *
                                 color_count);
     if (bGouraud)
       stream.m_BitStream.ByteAlign();
   }
   rect.Transform(pMatrix);
   return rect;
 }