Remove FX_WORD in favor of uint16_t.

xfa/fgas/layout/fgas_rtfbreak.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 "xfa/fgas/layout/fgas_rtfbreak.h"
 
 #include <algorithm>
 
@@ skipping 497 matching lines @@
     &CFX_RTFBreak::AppendChar_Arabic,      &CFX_RTFBreak::AppendChar_Arabic,
     &CFX_RTFBreak::AppendChar_Arabic,      &CFX_RTFBreak::AppendChar_Arabic,
     &CFX_RTFBreak::AppendChar_Arabic,      &CFX_RTFBreak::AppendChar_Others,
     &CFX_RTFBreak::AppendChar_Others,      &CFX_RTFBreak::AppendChar_Others,
 };
 FX_DWORD CFX_RTFBreak::AppendChar(FX_WCHAR wch) {
   FXSYS_assert(m_pFont != NULL && m_pCurLine != NULL && m_pArabicChar != NULL);
   if (m_bCharCode) {
     return AppendChar_CharCode(wch);
   }
-  FX_DWORD dwProps = kTextLayoutCodeProperties[(FX_WORD)wch];
+  FX_DWORD dwProps = kTextLayoutCodeProperties[(uint16_t)wch];
   FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK);
   CFX_RTFCharArray& tca = m_pCurLine->m_LineChars;
   CFX_RTFChar* pCurChar = tca.AddSpace();
   pCurChar->m_dwStatus = 0;
   pCurChar->m_wCharCode = wch;
   pCurChar->m_dwCharProps = dwProps;
   pCurChar->m_dwCharStyles = 0;
   pCurChar->m_dwLayoutStyles = 0;
   pCurChar->m_iFontSize = m_iFontSize;
   pCurChar->m_iFontHeight = m_iFontHeight;
@@ skipping 1153 matching lines @@
         rtBBoxF.height = fHeight;
         rtBBoxF.top = std::max(rtBBoxF.top, 0.0f);
       }
       rtArray.SetAt(i, rtBBoxF);
       continue;
     }
     rtArray.SetAt(i, rect);
   }
   return iLength;
 }