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

xfa/fwl/core/ifwl_combobox.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_COMBOBOX_H_
 #define XFA_FWL_CORE_IFWL_COMBOBOX_H_
 
 #include "xfa/fwl/core/ifwl_form.h"
@@ skipping 71 matching lines @@
   virtual FX_FLOAT GetListHeight(IFWL_Widget* pWidget) = 0;
 };
 
 class IFWL_ComboBox : public IFWL_Widget {
  public:
   explicit IFWL_ComboBox(const IFWL_App* app,
                          const CFWL_WidgetImpProperties& properties);
   ~IFWL_ComboBox() 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 ModifyStylesEx(uint32_t dwStylesExAdded,
                            uint32_t dwStylesExRemoved) override;
   void SetStates(uint32_t dwStates, FX_BOOL bSet = TRUE) 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;
@@ skipping 126 matching lines @@
   void OnDeactive(CFWL_MsgDeactivate* pMsg);
   void OnFocusChanged(CFWL_MsgKillFocus* pMsg, FX_BOOL bSet);
   FX_BOOL m_bLButtonDown;
   FX_BOOL m_bLButtonUpSelf;
   FX_FLOAT m_fStartPos;
   IFWL_Form* m_pForm;
   IFWL_ComboBox* m_pComboBox;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_COMBOBOX_H_