Remove NULL in xfa/

xfa/fwl/basewidget/fwl_listboximp.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_BASEWIDGET_FWL_LISTBOXIMP_H_
 #define XFA_FWL_BASEWIDGET_FWL_LISTBOXIMP_H_
 
 #include <memory>
@@ skipping 48 matching lines @@
   void SelectAll();
   IFWL_ListItem* GetFocusedItem();
   void SetFocusItem(IFWL_ListItem* hItem);
   IFWL_ListItem* GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy);
   FX_BOOL GetItemCheckRect(IFWL_ListItem* hItem, CFX_RectF& rtCheck);
   FX_BOOL SetItemChecked(IFWL_ListItem* hItem, FX_BOOL bChecked);
   FX_BOOL GetItemChecked(IFWL_ListItem* hItem);
   FX_BOOL ScrollToVisible(IFWL_ListItem* hItem);
   void DrawBkground(CFX_Graphics* pGraphics,
                     IFWL_ThemeProvider* pTheme,
-                    const CFX_Matrix* pMatrix = NULL);
+                    const CFX_Matrix* pMatrix = nullptr);
   void DrawItems(CFX_Graphics* pGraphics,
                  IFWL_ThemeProvider* pTheme,
-                 const CFX_Matrix* pMatrix = NULL);
+                 const CFX_Matrix* pMatrix = nullptr);
   void DrawItem(CFX_Graphics* pGraphics,
                 IFWL_ThemeProvider* pTheme,
                 IFWL_ListItem* hItem,
                 int32_t Index,
                 const CFX_RectF& rtItem,
-                const CFX_Matrix* pMatrix = NULL);
+                const CFX_Matrix* pMatrix = nullptr);
   void DrawStatic(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme);
   CFX_SizeF CalcSize(FX_BOOL bAutoSize = FALSE);
   void GetItemSize(CFX_SizeF& size,
                    IFWL_ListItem* hItem,
                    FX_FLOAT fWidth,
                    FX_FLOAT fHeight,
                    FX_BOOL bAutoSize = FALSE);
   FX_FLOAT GetMaxTextWidth();
   FX_FLOAT GetScrollWidth();
   FX_FLOAT GetItemHeigt();
@@ skipping 13 matching lines @@
   FX_FLOAT m_fScorllBarWidth;
   FX_BOOL m_bLButtonDown;
   IFWL_ThemeProvider* m_pScrollBarTP;
 };
 class CFWL_ListBoxImpDelegate : public CFWL_WidgetImpDelegate {
  public:
   CFWL_ListBoxImpDelegate(CFWL_ListBoxImp* pOwner);
   void OnProcessMessage(CFWL_Message* pMessage) override;
   void OnProcessEvent(CFWL_Event* pEvent) override;
   void OnDrawWidget(CFX_Graphics* pGraphics,
-                    const CFX_Matrix* pMatrix = NULL) override;
+                    const CFX_Matrix* pMatrix = nullptr) override;
 
  protected:
   void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
   void OnLButtonDown(CFWL_MsgMouse* pMsg);
   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();
   CFWL_ListBoxImp* m_pOwner;
 };
 
 #endif  // XFA_FWL_BASEWIDGET_FWL_LISTBOXIMP_H_