Remove some dead code.

fpdfsdk/fxedit/fxet_edit.cpp

 // 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
 
 #include "fpdfsdk/fxedit/include/fxet_edit.h"
 
 #include <algorithm>
 
@@ skipping 773 matching lines @@
   m_pVT->Initialize();
   SetCaret(m_pVT->GetBeginWordPlace());
   SetCaretOrigin();
 }
 
 void CFX_Edit::SetFontMap(IPVT_FontMap* pFontMap) {
   delete m_pVTProvide;
   m_pVT->SetProvider(m_pVTProvide = new CFX_Edit_Provider(pFontMap));
 }
 
-void CFX_Edit::SetVTProvider(CPDF_VariableText::Provider* pProvider) {
-  m_pVT->SetProvider(pProvider);
-}
-
 void CFX_Edit::SetNotify(IFX_Edit_Notify* pNotify) {
   m_pNotify = pNotify;
 }
 
 void CFX_Edit::SetOprNotify(IFX_Edit_OprNotify* pOprNotify) {
   m_pOprNotify = pOprNotify;
 }
 
 IFX_Edit_Iterator* CFX_Edit::GetIterator() {
   if (!m_pIterator)
@@ skipping 2224 matching lines @@
     if (m_bOprNotify && m_pOprNotify)
       m_pOprNotify->OnAddUndo(pEditUndoItem);
   }
 }
 
 void CFX_Edit::AddUndoItem(IFX_Edit_UndoItem* pUndoItem) {
   m_Undo.AddItem(pUndoItem);
   if (m_bOprNotify && m_pOprNotify)
     m_pOprNotify->OnAddUndo(pUndoItem);
 }