Fix a bad virtual keyword removal from commit 0f6b51c.

fpdfsdk/include/formfiller/FFL_CBA_Fontmap.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_FORMFILLER_FFL_CBA_FONTMAP_H_
 #define FPDFSDK_INCLUDE_FORMFILLER_FFL_CBA_FONTMAP_H_
 
 #include "fpdfsdk/include/pdfwindow/PWL_FontMap.h"
 
 class CPDF_Dictionary;
 class CPDFSDK_Annot;
 
 class CBA_FontMap : public CPWL_FontMap {
  public:
   CBA_FontMap(CPDFSDK_Annot* pAnnot, IFX_SystemHandler* pSystemHandler);
-  CBA_FontMap(CPDF_Document* pDocument,
-              CPDF_Dictionary* pAnnotDict,
-              IFX_SystemHandler* pSystemHandler);
-
   ~CBA_FontMap() override;
 
-  virtual void Initial(const FX_CHAR* fontname = NULL);
-
- public:
   void SetDefaultFont(CPDF_Font* pFont, const CFX_ByteString& sFontName);
 
   void Reset();
   void SetAPType(const CFX_ByteString& sAPType);
 
- protected:
-  virtual CPDF_Font* FindFontSameCharset(CFX_ByteString& sFontAlias,
-                                         int32_t nCharset);
-  virtual void AddedFont(CPDF_Font* pFont, const CFX_ByteString& sFontAlias);
-  virtual CPDF_Document* GetDocument();
+ private:
+  // CPWL_FontMap:
+  void Initialize() override;
+  CPDF_Document* GetDocument() override;
+  CPDF_Font* FindFontSameCharset(CFX_ByteString& sFontAlias,
+                                 int32_t nCharset) override;
+  void AddedFont(CPDF_Font* pFont, const CFX_ByteString& sFontAlias) override;
 
- private:
   CPDF_Font* FindResFontSameCharset(CPDF_Dictionary* pResDict,
                                     CFX_ByteString& sFontAlias,
                                     int32_t nCharset);
   CPDF_Font* GetAnnotDefaultFont(CFX_ByteString& csNameTag);
   void AddFontToAnnotDict(CPDF_Font* pFont, const CFX_ByteString& sAlias);
 
- private:
   CPDF_Document* m_pDocument;
   CPDF_Dictionary* m_pAnnotDict;
   CPDF_Font* m_pDefaultFont;
   CFX_ByteString m_sDefaultFontName;
-
   CFX_ByteString m_sAPType;
 };
 
 #endif  // FPDFSDK_INCLUDE_FORMFILLER_FFL_CBA_FONTMAP_H_