Remove FX_DWORD from fpdfsdk/ and testing/

testing/libfuzzer/pdf_jpx_fuzzer.cc

 // Copyright 2016 The 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.
 
 #include <cstdint>
 #include <memory>
 #include <vector>
 
 #include "core/fxcodec/codec/codec_int.h"
 #include "core/include/fxge/fx_dib.h"
 
 CCodec_JpxModule g_module;
 
 struct DecoderDeleter {
   void operator()(CJPX_Decoder* decoder) { g_module.DestroyDecoder(decoder); }
 };
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   std::unique_ptr<CJPX_Decoder, DecoderDeleter> decoder(
       g_module.CreateDecoder(data, size, nullptr));
   if (!decoder)
     return 0;
 
-  FX_DWORD width;
-  FX_DWORD height;
-  FX_DWORD components;
+  uint32_t width;
+  uint32_t height;
+  uint32_t components;
   g_module.GetImageInfo(decoder.get(), &width, &height, &components);
 
   FXDIB_Format format;
   if (components == 1) {
     format = FXDIB_8bppRgb;
   } else if (components <= 3) {
     format = FXDIB_Rgb;
   } else if (components == 4) {
     format = FXDIB_Rgb32;
   } else {
     width = (width * components + 2) / 3;
     format = FXDIB_Rgb;
   }
 
   std::unique_ptr<CFX_DIBitmap> bitmap(new CFX_DIBitmap);
   if (!bitmap->Create(width, height, format))
     return 0;
 
   std::vector<uint8_t> output_offsets(components);
-  for (FX_DWORD i = 0; i < components; ++i)
+  for (uint32_t i = 0; i < components; ++i)
     output_offsets[i] = i;
 
   g_module.Decode(decoder.get(), bitmap->GetBuffer(), bitmap->GetPitch(),
                   output_offsets);
   return 0;
 }