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

xfa/fwl/core/ifwl_picturebox.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_PICTUREBOX_H_
 #define XFA_FWL_CORE_IFWL_PICTUREBOX_H_
 
 #include "xfa/fwl/core/cfwl_widgetimpproperties.h"
@@ skipping 31 matching lines @@
   virtual FWL_Error GetMatrix(IFWL_Widget* pWidget, CFX_Matrix& matrix) = 0;
 };
 
 class IFWL_PictureBox : public IFWL_Widget {
  public:
   explicit IFWL_PictureBox(const IFWL_App* app,
                            const CFWL_WidgetImpProperties& properties);
   ~IFWL_PictureBox() 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_Error DrawWidget(CFX_Graphics* pGraphics,
                        const CFX_Matrix* pMatrix = nullptr) override;
 
  protected:
   friend class CFWL_PictureBoxImpDelegate;
 
   void DrawBkground(CFX_Graphics* pGraphics,
@@ skipping 13 matching lines @@
  public:
   CFWL_PictureBoxImpDelegate(IFWL_PictureBox* pOwner);
   void OnDrawWidget(CFX_Graphics* pGraphics,
                     const CFX_Matrix* pMatrix = nullptr) override;
 
  protected:
   IFWL_PictureBox* m_pOwner;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_PICTUREBOX_H_