Remove FX_WORD in favor of uint16_t.

core/fpdftext/fpdf_text_int.h

Index: core/fpdftext/fpdf_text_int.h
diff --git a/core/fpdftext/fpdf_text_int.h b/core/fpdftext/fpdf_text_int.h
index c0885b59b76854edf1b7f723a297303a5d0d2770..be6b0bf241ee812150467d21c2fab19c3f0d8ffd 100644
--- a/core/fpdftext/fpdf_text_int.h
+++ b/core/fpdftext/fpdf_text_int.h
@@ -140,7 +140,7 @@ class CPDF_TextPage : public IPDF_TextPage {
                         int nItems) const;
 
   const CPDF_Page* const m_pPage;
-  std::vector<FX_WORD> m_CharIndex;
+  std::vector<uint16_t> m_CharIndex;
   std::deque<PAGECHAR_INFO> m_CharList;
   std::deque<PAGECHAR_INFO> m_TempCharList;
   CFX_WideTextBuf m_TextBuf;
@@ -189,7 +189,7 @@ class CPDF_TextPageFind : public IPDF_TextPageFind {
   int GetCharIndex(int index) const;
 
  private:
-  std::vector<FX_WORD> m_CharIndex;
+  std::vector<uint16_t> m_CharIndex;
   const IPDF_TextPage* m_pTextPage;
   CFX_WideString m_strText;
   CFX_WideString m_findWhat;