Get rid of NULLs in fpdfsdk/

fpdfsdk/fxedit/include/fx_edit.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_FXEDIT_INCLUDE_FX_EDIT_H_
 #define FPDFSDK_FXEDIT_INCLUDE_FX_EDIT_H_
 
 #include "core/fpdfdoc/include/cpdf_variabletext.h"
@@ skipping 348 matching lines @@
 
   // send the HOME key message to edit.
   virtual void OnVK_HOME(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
 
   // send the END key message to edit.
   virtual void OnVK_END(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
 
   // put text into edit.
   virtual void SetText(const FX_WCHAR* text,
                        int32_t charset = DEFAULT_CHARSET,
-                       const CPVT_SecProps* pSecProps = NULL,
-                       const CPVT_WordProps* pWordProps = NULL) = 0;
+                       const CPVT_SecProps* pSecProps = nullptr,
+                       const CPVT_WordProps* pWordProps = nullptr) = 0;
 
   // insert a word into the edit.
   virtual FX_BOOL InsertWord(uint16_t word,
                              int32_t charset = DEFAULT_CHARSET,
-                             const CPVT_WordProps* pWordProps = NULL) = 0;
+                             const CPVT_WordProps* pWordProps = nullptr) = 0;
 
   // insert a return into the edit.
-  virtual FX_BOOL InsertReturn(const CPVT_SecProps* pSecProps = NULL,
-                               const CPVT_WordProps* pWordProps = NULL) = 0;
+  virtual FX_BOOL InsertReturn(const CPVT_SecProps* pSecProps = nullptr,
+                               const CPVT_WordProps* pWordProps = nullptr) = 0;
 
   // insert text into the edit.
   virtual FX_BOOL InsertText(const FX_WCHAR* text,
                              int32_t charset = DEFAULT_CHARSET,
-                             const CPVT_SecProps* pSecProps = NULL,
-                             const CPVT_WordProps* pWordProps = NULL) = 0;
+                             const CPVT_SecProps* pSecProps = nullptr,
+                             const CPVT_WordProps* pWordProps = nullptr) = 0;
 
   // do backspace operation.
   virtual FX_BOOL Backspace() = 0;
 
   // do delete operation.
   virtual FX_BOOL Delete() = 0;
 
   // delete the selected text.
   virtual FX_BOOL Clear() = 0;
 
@@ skipping 73 matching lines @@
   virtual FX_BOOL IsModified() const = 0;
 
   // get the total words in edit
   virtual int32_t GetTotalWords() const = 0;
 
   virtual void AddUndoItem(IFX_Edit_UndoItem* pUndoItem) = 0;
 
   static CFX_ByteString GetEditAppearanceStream(
       IFX_Edit* pEdit,
       const CFX_FloatPoint& ptOffset,
-      const CPVT_WordRange* pRange = NULL,
+      const CPVT_WordRange* pRange = nullptr,
       FX_BOOL bContinuous = TRUE,
       uint16_t SubWord = 0);
   static CFX_ByteString GetSelectAppearanceStream(
       IFX_Edit* pEdit,
       const CFX_FloatPoint& ptOffset,
-      const CPVT_WordRange* pRange = NULL);
+      const CPVT_WordRange* pRange = nullptr);
   static void DrawEdit(CFX_RenderDevice* pDevice,
                        CFX_Matrix* pUser2Device,
                        IFX_Edit* pEdit,
                        FX_COLORREF crTextFill,
                        FX_COLORREF crTextStroke,
                        const CFX_FloatRect& rcClip,
                        const CFX_FloatPoint& ptOffset,
                        const CPVT_WordRange* pRange,
                        CFX_SystemHandler* pSystemHandler,
                        void* pFFLData);
@@ skipping 120 matching lines @@
  protected:
   virtual ~IFX_List() {}
 };
 
 CFX_ByteString GetPDFWordString(IPVT_FontMap* pFontMap,
                                 int32_t nFontIndex,
                                 uint16_t Word,
                                 uint16_t SubWord);
 
 #endif  // FPDFSDK_FXEDIT_INCLUDE_FX_EDIT_H_