Remove FX_WORD in favor of uint16_t.

fpdfsdk/include/pdfwindow/PWL_IconList.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 FPDFSDK_INCLUDE_PDFWINDOW_PWL_ICONLIST_H_
 #define FPDFSDK_INCLUDE_PDFWINDOW_PWL_ICONLIST_H_
 
 #include "core/include/fxcrt/fx_string.h"
@@ skipping 60 matching lines @@
   CFX_WideString GetListString(int32_t nItemIndex) const;
   IPWL_IconList_Notify* GetNotify() const;
   void ScrollToItem(int32_t nItemIndex);
 
  protected:
   // CPWL_ListCtrl
   void CreateChildWnd(const PWL_CREATEPARAM& cp) override;
   FX_BOOL OnLButtonDown(const CFX_FloatPoint& point, FX_DWORD nFlag) override;
   FX_BOOL OnLButtonUp(const CFX_FloatPoint& point, FX_DWORD nFlag) override;
   FX_BOOL OnMouseMove(const CFX_FloatPoint& point, FX_DWORD nFlag) override;
-  FX_BOOL OnKeyDown(FX_WORD nChar, FX_DWORD nFlag) override;
+  FX_BOOL OnKeyDown(uint16_t nChar, FX_DWORD nFlag) override;
 
  private:
   CPWL_IconList_Item* GetListItem(int32_t nItemIndex) const;
   void SelectItem(int32_t nItemIndex, FX_BOOL bSelect);
   int32_t FindItemIndex(const CFX_FloatPoint& point);
 
   int32_t m_nSelectIndex;
   IPWL_IconList_Notify* m_pNotify;
   FX_BOOL m_bEnableNotify;
   FX_BOOL m_bMouseDown;
@@ skipping 28 matching lines @@
                 FX_DWORD msg,
                 intptr_t wParam = 0,
                 intptr_t lParam = 0) override;
 
  private:
   CPWL_IconList_Content* m_pListContent;
   int32_t m_nListCount;
 };
 
 #endif  // FPDFSDK_INCLUDE_PDFWINDOW_PWL_ICONLIST_H_