Get rid of NULLs in fpdfsdk/

fpdfsdk/pdfwindow/PWL_Wnd.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 FPDFSDK_PDFWINDOW_PWL_WND_H_
 #define FPDFSDK_PDFWINDOW_PWL_WND_H_
 
 #include <vector>
@@ skipping 170 matching lines @@
  public:
   virtual ~IPWL_FocusHandler() {}
   virtual void OnSetFocus(CPWL_Wnd* pWnd) = 0;
   virtual void OnKillFocus(CPWL_Wnd* pWnd) = 0;
 };
 
 struct PWL_CREATEPARAM {
  public:
   PWL_CREATEPARAM()
       : rcRectWnd(0, 0, 0, 0),
-        pSystemHandler(NULL),
-        pFontMap(NULL),
-        pProvider(NULL),
-        pFocusHandler(NULL),
+        pSystemHandler(nullptr),
+        pFontMap(nullptr),
+        pProvider(nullptr),
+        pFocusHandler(nullptr),
         dwFlags(0),
         sBackgroundColor(),
-        hAttachedWnd(NULL),
+        hAttachedWnd(nullptr),
         nBorderStyle(BorderStyle::SOLID),
         dwBorderWidth(1),
         sBorderColor(),
         sTextColor(),
         sTextStrokeColor(),
         nTransparency(255),
         fFontSize(PWL_DEFAULT_FONTSIZE),
         sDash(3, 0, 0),
-        pAttachedData(NULL),
-        pParentWnd(NULL),
-        pMsgControl(NULL),
+        pAttachedData(nullptr),
+        pParentWnd(nullptr),
+        pMsgControl(nullptr),
         eCursorType(FXCT_ARROW),
         mtChild(1, 0, 0, 1, 0, 0) {}
 
   CFX_FloatRect rcRectWnd;            // required
   CFX_SystemHandler* pSystemHandler;  // required
   IPVT_FontMap* pFontMap;             // required for text window
   IPWL_Provider* pProvider;           // required for self coordinate
   IPWL_FocusHandler* pFocusHandler;   // optional
   uint32_t dwFlags;                   // optional
   CPWL_Color sBackgroundColor;        // optional
@@ skipping 48 matching lines @@
  public:
   CPWL_Wnd();
   ~CPWL_Wnd() override;
 
   void Create(const PWL_CREATEPARAM& cp);
   virtual CFX_ByteString GetClassName() const;
   void InvalidateFocusHandler(IPWL_FocusHandler* handler);
   void InvalidateProvider(IPWL_Provider* provider);
   void Destroy();
   void Move(const CFX_FloatRect& rcNew, FX_BOOL bReset, FX_BOOL bRefresh);
-  virtual void InvalidateRect(CFX_FloatRect* pRect = NULL);
+  virtual void InvalidateRect(CFX_FloatRect* pRect = nullptr);
 
   void DrawAppearance(CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device);
 
   virtual FX_BOOL OnKeyDown(uint16_t nChar, uint32_t nFlag);
   virtual FX_BOOL OnKeyUp(uint16_t nChar, uint32_t nFlag);
   virtual FX_BOOL OnChar(uint16_t nChar, uint32_t nFlag);
   virtual FX_BOOL OnLButtonDblClk(const CFX_FloatPoint& point, uint32_t nFlag);
   virtual FX_BOOL OnLButtonDown(const CFX_FloatPoint& point, uint32_t nFlag);
   virtual FX_BOOL OnLButtonUp(const CFX_FloatPoint& point, uint32_t nFlag);
   virtual FX_BOOL OnMButtonDblClk(const CFX_FloatPoint& point, uint32_t nFlag);
@@ skipping 154 matching lines @@
   CFX_FloatRect m_rcWindow;
   CFX_FloatRect m_rcClip;
 
   FX_BOOL m_bCreated;
   FX_BOOL m_bVisible;
   FX_BOOL m_bNotifying;
   FX_BOOL m_bEnabled;
 };
 
 #endif  // FPDFSDK_PDFWINDOW_PWL_WND_H_