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

xfa/fwl/core/ifwl_form.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_FORM_H_
 #define XFA_FWL_CORE_IFWL_FORM_H_
 
 #include <memory>
@@ skipping 73 matching lines @@
 };
 
 class IFWL_Form : public IFWL_Widget {
  public:
   IFWL_Form(const IFWL_App* app,
             const CFWL_WidgetImpProperties& properties,
             IFWL_Widget* pOuter);
   ~IFWL_Form() override;
 
   // IFWL_Widget
-  void Initialize() override;
-  void Finalize() override;
   FWL_Type GetClassID() const override;
   FX_BOOL IsInstance(const CFX_WideStringC& wsClass) const override;
   FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
   FWL_Error GetClientRect(CFX_RectF& rect) 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_FORMSIZE GetFormSize();
@@ skipping 94 matching lines @@
   void OnMouseMove(CFWL_MsgMouse* pMsg);
   void OnMouseHover(CFWL_MsgMouse* pMsg);
   void OnMouseLeave(CFWL_MsgMouse* pMsg);
   void OnLButtonDblClk(CFWL_MsgMouse* pMsg);
   void OnWindowMove(CFWL_MsgWindowMove* pMsg);
   void OnClose(CFWL_MsgClose* pMsg);
   IFWL_Form* m_pOwner;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_FORM_H_