Remove FX_WORD in favor of uint16_t.

fpdfsdk/include/pdfwindow/PWL_ListBox.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_LISTBOX_H_
 #define FPDFSDK_INCLUDE_PDFWINDOW_PWL_LISTBOX_H_
 
 #include "fpdfsdk/include/fxedit/fx_edit.h"
@@ skipping 41 matching lines @@
   CPWL_ListBox();
   ~CPWL_ListBox() override;
 
   // CPWL_Wnd
   CFX_ByteString GetClassName() const override;
   void OnCreated() override;
   void OnDestroy() override;
   void GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) override;
   void DrawThisAppearance(CFX_RenderDevice* pDevice,
                           CFX_Matrix* pUser2Device) override;
-  FX_BOOL OnKeyDown(FX_WORD nChar, FX_DWORD nFlag) override;
-  FX_BOOL OnChar(FX_WORD nChar, FX_DWORD nFlag) override;
+  FX_BOOL OnKeyDown(uint16_t nChar, FX_DWORD nFlag) override;
+  FX_BOOL OnChar(uint16_t nChar, FX_DWORD nFlag) 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 OnMouseWheel(short zDelta,
                        const CFX_FloatPoint& point,
                        FX_DWORD nFlag) override;
   void KillFocus() override;
   void OnNotify(CPWL_Wnd* pWnd,
                 FX_DWORD msg,
                 intptr_t wParam = 0,
@@ skipping 39 matching lines @@
   IPWL_Filler_Notify* m_pFillerNotify;
 
  public:
   void AttachFFLData(void* pData) { m_pFormFiller = pData; }
 
  private:
   void* m_pFormFiller;
 };
 
 #endif  // FPDFSDK_INCLUDE_PDFWINDOW_PWL_LISTBOX_H_