Remove some dead code.

fpdfsdk/fxedit/include/fxet_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_FXEDIT_INCLUDE_FXET_EDIT_H_
 #define FPDFSDK_FXEDIT_INCLUDE_FXET_EDIT_H_
 
 #include "core/fpdfdoc/include/cpvt_secprops.h"
@@ skipping 498 matching lines @@
   friend class CFXEU_SetSecProps;
   friend class CFXEU_SetWordProps;
   friend class CFXEU_InsertText;
 
  public:
   explicit CFX_Edit(CPDF_VariableText* pVT);
   ~CFX_Edit() override;
 
   // IFX_Edit
   void SetFontMap(IPVT_FontMap* pFontMap) override;
-  void SetVTProvider(CPDF_VariableText::Provider* pProvider) override;
   void SetNotify(IFX_Edit_Notify* pNotify) override;
   void SetOprNotify(IFX_Edit_OprNotify* pOprNotify) override;
   IFX_Edit_Iterator* GetIterator() override;
   CPDF_VariableText* GetVariableText() override;
   IPVT_FontMap* GetFontMap() override;
   void Initialize() override;
   void SetPlateRect(const CFX_FloatRect& rect, FX_BOOL bPaint = TRUE) override;
   void SetScrollPos(const CFX_FloatPoint& point) override;
   void SetAlignmentH(int32_t nFormat = 0, FX_BOOL bPaint = TRUE) override;
   void SetAlignmentV(int32_t nFormat = 0, FX_BOOL bPaint = TRUE) override;
@@ skipping 264 matching lines @@
                            int32_t charset,
                            int32_t nFontIndex) override;
   int32_t GetDefaultFontIndex() override;
   FX_BOOL IsLatinWord(uint16_t word) override;
 
  private:
   IPVT_FontMap* m_pFontMap;
 };
 
 #endif  // FPDFSDK_FXEDIT_INCLUDE_FXET_EDIT_H_