Use override in more classes in core/

fpdfsdk/include/pdfwindow/PWL_Edit.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_EDIT_H_
 #define FPDFSDK_INCLUDE_PDFWINDOW_PWL_EDIT_H_
 
 #include "../../../core/include/fxcrt/fx_basic.h"
@@ skipping 139 matching lines @@
 
   CPVT_WordRange CombineWordRange(const CPVT_WordRange& wr1,
                                   const CPVT_WordRange& wr2);
   CPVT_WordRange GetLatinWordsRange(const CPDF_Point& point) const;
   CPVT_WordRange GetLatinWordsRange(const CPVT_WordPlace& place) const;
   CPVT_WordRange GetArabicWordsRange(const CPVT_WordPlace& place) const;
   CPVT_WordRange GetSameWordsRange(const CPVT_WordPlace& place,
                                    FX_BOOL bLatin,
                                    FX_BOOL bArabic) const;
 
-  void AjustArabicWords(const CPVT_WordRange& wr);
-
  public:
   FX_BOOL IsProceedtoOnChar(FX_WORD nKeyCode, FX_DWORD nFlag);
 
  private:
   IPWL_Filler_Notify* m_pFillerNotify;
   IPWL_SpellCheck* m_pSpellCheck;
   FX_BOOL m_bFocus;
   CPDF_Rect m_rcOldWindow;
 
  public:
   void AttachFFLData(void* pData) { m_pFormFiller = pData; }
 
  private:
   void* m_pFormFiller;
 };
 
 #endif  // FPDFSDK_INCLUDE_PDFWINDOW_PWL_EDIT_H_