Kill dead IFWL_*::Initialize() variants dead.

xfa/src/fwl/src/basewidget/fwl_listboximp.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 "../../../foxitlib.h"
 #include "../core/include/fwl_targetimp.h"
 #include "../core/include/fwl_noteimp.h"
 #include "../core/include/fwl_widgetimp.h"
 #include "include/fwl_scrollbarimp.h"
 #include "include/fwl_listboximp.h"
 #define FWL_LISTBOX_ItemTextMargin 2
 IFWL_ListBox* IFWL_ListBox::Create() {
   return new IFWL_ListBox;
 }
 IFWL_ListBox::IFWL_ListBox() {
 }
-FWL_ERR IFWL_ListBox::Initialize(IFWL_Widget* pOuter) {
-  CFWL_ListBoxImp* pListBoxImpl = new CFWL_ListBoxImp(pOuter);
-  SetImpl(pListBoxImpl);
-  pListBoxImpl->SetInterface(this);
-  return pListBoxImpl->Initialize();
-}
 FWL_ERR IFWL_ListBox::Initialize(const CFWL_WidgetImpProperties& properties,
                                  IFWL_Widget* pOuter) {
   CFWL_ListBoxImp* pListBoxImpl = new CFWL_ListBoxImp(properties, pOuter);
   SetImpl(pListBoxImpl);
   pListBoxImpl->SetInterface(this);
   return pListBoxImpl->Initialize();
 }
 int32_t IFWL_ListBox::CountSelItems() {
   return static_cast<CFWL_ListBoxImp*>(GetImpl())->CountSelItems();
 }
@@ skipping 1170 matching lines @@
     pScrollBar->SetTrackPos(fPos);
     m_pOwner->Repaint(&m_pOwner->m_rtClient);
   }
   return TRUE;
 }
 void CFWL_ListBoxImpDelegate::DispatchSelChangedEv() {
   CFWL_EvtLtbSelChanged ev;
   ev.m_pSrcTarget = m_pOwner->m_pInterface;
   m_pOwner->DispatchEvent(&ev);
 }