Fold IFWL*::{Initialize|Finalize} into constructor/destructor

xfa/fwl/core/ifwl_listbox.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 XFA_FWL_CORE_IFWL_LISTBOX_H_
 #define XFA_FWL_CORE_IFWL_LISTBOX_H_
 
 #include <memory>
@@ skipping 90 matching lines @@
 };
 
 class IFWL_ListBox : public IFWL_Widget {
  public:
   IFWL_ListBox(const IFWL_App* app,
                const CFWL_WidgetImpProperties& properties,
                IFWL_Widget* pOuter);
   ~IFWL_ListBox() override;
 
   // IFWL_Widget
-  void Initialize() override;
-  void Finalize() override;
   FWL_Type GetClassID() const override;
   FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
   FWL_Error Update() override;
   FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
   FWL_Error DrawWidget(CFX_Graphics* pGraphics,
                        const CFX_Matrix* pMatrix = nullptr) override;
   FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
 
   int32_t CountSelItems();
   IFWL_ListItem* GetSelItem(int32_t nIndexSel);
@@ skipping 75 matching lines @@
   void OnLButtonUp(CFWL_MsgMouse* pMsg);
   void OnMouseWheel(CFWL_MsgMouseWheel* pMsg);
   void OnKeyDown(CFWL_MsgKey* pMsg);
   void OnVK(IFWL_ListItem* hItem, FX_BOOL bShift, FX_BOOL bCtrl);
   FX_BOOL OnScroll(IFWL_ScrollBar* pScrollBar, uint32_t dwCode, FX_FLOAT fPos);
   void DispatchSelChangedEv();
   IFWL_ListBox* m_pOwner;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_LISTBOX_H_