Change layout item in CFWL_Widget type from void

xfa/fwl/cfwl_widget.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_CFWL_WIDGET_H_
 #define XFA_FWL_CFWL_WIDGET_H_
 #include <memory>
 
@@ skipping 25 matching lines @@
   SpinButton,
   ToolTip
 };
 
 class CFWL_App;
 class CFWL_AppImp;
 class CFWL_MessageKey;
 class CFWL_Widget;
 class CFWL_WidgetMgr;
 class CFWL_WidgetProperties;
+class CXFA_FFWidget;
 class IFWL_ThemeProvider;
 
 class CFWL_Widget : public IFWL_WidgetDelegate {
  public:
   ~CFWL_Widget() override;
 
   virtual FWL_Type GetClassID() const = 0;
   virtual bool IsInstance(const CFX_WideStringC& wsClass) const;
   virtual CFX_RectF GetAutosizedWidgetRect();
   virtual CFX_RectF GetWidgetRect();
@@ skipping 42 matching lines @@
     return m_pDelegate ? m_pDelegate : this;
   }
   const IFWL_WidgetDelegate* GetDelegate() const {
     return m_pDelegate ? m_pDelegate : this;
   }
 
   const CFWL_App* GetOwnerApp() const { return m_pOwnerApp; }
   uint32_t GetEventKey() const { return m_nEventKey; }
   void SetEventKey(uint32_t key) { m_nEventKey = key; }
 
-  void* GetLayoutItem() const { return m_pLayoutItem; }
-  void SetLayoutItem(void* pItem) { m_pLayoutItem = pItem; }
+  CXFA_FFWidget* GetLayoutItem() const { return m_pLayoutItem; }
+  void SetLayoutItem(CXFA_FFWidget* pItem) { m_pLayoutItem = pItem; }
 
   void SetFocus(bool bFocus);
   void RepaintRect(const CFX_RectF& pRect);
   void Repaint();
 
  protected:
   CFWL_Widget(const CFWL_App* app,
               std::unique_ptr<CFWL_WidgetProperties> properties,
               CFWL_Widget* pOuter);
 
@@ skipping 62 matching lines @@
                           const CFX_RectF& rtAnchor,
                           CFX_RectF& rtPopup);
   bool GetScreenSize(FX_FLOAT& fx, FX_FLOAT& fy);
   void DrawBackground(CFX_Graphics* pGraphics,
                       CFWL_Part iPartBk,
                       IFWL_ThemeProvider* pTheme,
                       const CFX_Matrix* pMatrix);
   void NotifyDriver();
   bool IsParent(CFWL_Widget* pParent);
 
-  void* m_pLayoutItem;
+  CXFA_FFWidget* m_pLayoutItem;
   uint32_t m_nEventKey;
   IFWL_WidgetDelegate* m_pDelegate;  // Not owned.
 };
 
 #endif  // XFA_FWL_CFWL_WIDGET_H_