Remove FX_WORD in favor of uint16_t.

core/include/fxcrt/fx_ext.h

 // 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
 
 #ifndef CORE_INCLUDE_FXCRT_FX_EXT_H_
 #define CORE_INCLUDE_FXCRT_FX_EXT_H_
 
 #include <cctype>
@@ skipping 79 matching lines @@
 
 void FX_Random_GenerateBase(FX_DWORD* pBuffer, int32_t iCount);
 
 void FX_Random_GenerateMT(FX_DWORD* pBuffer, int32_t iCount);
 
 void FX_Random_GenerateCrypto(FX_DWORD* pBuffer, int32_t iCount);
 
 #ifdef PDF_ENABLE_XFA
 typedef struct FX_GUID {
   FX_DWORD data1;
-  FX_WORD data2;
-  FX_WORD data3;
+  uint16_t data2;
+  uint16_t data3;
   uint8_t data4[8];
 } FX_GUID, *FX_LPGUID;
 typedef FX_GUID const* FX_LPCGUID;
 void FX_GUID_CreateV4(FX_LPGUID pGUID);
 void FX_GUID_ToString(FX_LPCGUID pGUID,
                       CFX_ByteString& bsStr,
                       FX_BOOL bSeparator = TRUE);
 #endif  // PDF_ENABLE_XFA
 
 template <class baseType>
@@ skipping 13 matching lines @@
           j -= gap;
         }
         pArray[j + gap] = v1;
       }
       gap >>= 1;
     }
   }
 };
 
 #endif  // CORE_INCLUDE_FXCRT_FX_EXT_H_