Remove FX_WORD in favor of uint16_t.

core/fxcodec/codec/fx_codec_flate.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/fxcodec/codec/codec_int.h"
 
 #include <algorithm>
 #include <memory>
@@ skipping 512 matching lines @@
       dest_buf[index] &= ~(mask << ((8 - col - BitsPerComponent)));
       dest_buf[index] |= cur;
     }
   } else if (BitsPerComponent == 8) {
     for (int i = row_size - 1; i >= BytesPerPixel; i--) {
       dest_buf[i] -= dest_buf[i - BytesPerPixel];
     }
   } else {
     for (int i = row_size - BytesPerPixel; i >= BytesPerPixel;
          i -= BytesPerPixel) {
-      FX_WORD pixel = (dest_buf[i] << 8) | dest_buf[i + 1];
+      uint16_t pixel = (dest_buf[i] << 8) | dest_buf[i + 1];
       pixel -=
           (dest_buf[i - BytesPerPixel] << 8) | dest_buf[i - BytesPerPixel + 1];
       dest_buf[i] = pixel >> 8;
       dest_buf[i + 1] = (uint8_t)pixel;
     }
   }
 }
 
 FX_BOOL TIFF_PredictorEncode(uint8_t*& data_buf,
                              FX_DWORD& data_size,
@@ skipping 36 matching lines @@
         dest_buf[index] &= ~(1 << (7 - col));
       }
       index_pre = index;
       col_pre = col;
     }
     return;
   }
   int BytesPerPixel = BitsPerComponent * Colors / 8;
   if (BitsPerComponent == 16) {
     for (FX_DWORD i = BytesPerPixel; i < row_size; i += 2) {
-      FX_WORD pixel =
+      uint16_t pixel =
           (dest_buf[i - BytesPerPixel] << 8) | dest_buf[i - BytesPerPixel + 1];
       pixel += (dest_buf[i] << 8) | dest_buf[i + 1];
       dest_buf[i] = pixel >> 8;
       dest_buf[i + 1] = (uint8_t)pixel;
     }
   } else {
     for (FX_DWORD i = BytesPerPixel; i < row_size; i++) {
       dest_buf[i] += dest_buf[i - BytesPerPixel];
     }
   }
@@ skipping 397 matching lines @@
                                    FX_DWORD src_size,
                                    uint8_t*& dest_buf,
                                    FX_DWORD& dest_size) {
   dest_size = src_size + src_size / 1000 + 12;
   dest_buf = FX_Alloc(uint8_t, dest_size);
   unsigned long temp_size = dest_size;
   FPDFAPI_FlateCompress(dest_buf, &temp_size, src_buf, src_size);
   dest_size = (FX_DWORD)temp_size;
   return TRUE;
 }