Get rid of NULLs in xfa/

xfa/fxfa/parser/xfa_layout_pagemgr_new.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_FXFA_PARSER_XFA_LAYOUT_PAGEMGR_NEW_H_
 #define XFA_FXFA_PARSER_XFA_LAYOUT_PAGEMGR_NEW_H_
 
 #include "xfa/fxfa/parser/xfa_doclayout.h"
 #include "xfa/fxfa/parser/xfa_layout_itemlayout.h"
 
 class CXFA_ContainerRecord {
  public:
-  CXFA_ContainerRecord(CXFA_ContainerLayoutItem* pPageSet = NULL,
-                       CXFA_ContainerLayoutItem* pPageArea = NULL,
-                       CXFA_ContainerLayoutItem* pContentArea = NULL)
+  CXFA_ContainerRecord(CXFA_ContainerLayoutItem* pPageSet = nullptr,
+                       CXFA_ContainerLayoutItem* pPageArea = nullptr,
+                       CXFA_ContainerLayoutItem* pContentArea = nullptr)
       : pCurPageSet(pPageSet),
         pCurPageArea(pPageArea),
         pCurContentArea(pContentArea) {}
   CXFA_ContainerLayoutItem* pCurPageSet;
   CXFA_ContainerLayoutItem* pCurPageArea;
   CXFA_ContainerLayoutItem* pCurContentArea;
 };
 class CXFA_LayoutPageMgr {
  public:
   CXFA_LayoutPageMgr(CXFA_LayoutProcessor* pLayoutProcessor);
@@ skipping 16 matching lines @@
                                     FX_BOOL bBefore,
                                     CXFA_Node*& pBreakLeaderNode,
                                     CXFA_Node*& pBreakTrailerNode,
                                     FX_BOOL& bCreatePage);
   FX_BOOL ProcessOverflow(CXFA_Node* pFormNode,
                           CXFA_Node*& pLeaderNode,
                           CXFA_Node*& pTrailerNode,
                           FX_BOOL bDataMerge = FALSE,
                           FX_BOOL bCreatePage = TRUE);
   CXFA_Node* QueryOverflow(CXFA_Node* pFormNode,
-                           CXFA_LayoutContext* pLayoutContext = NULL);
+                           CXFA_LayoutContext* pLayoutContext = nullptr);
   FX_BOOL ProcessBookendLeaderOrTrailer(CXFA_Node* pBookendNode,
                                         FX_BOOL bLeader,
                                         CXFA_Node*& pBookendAppendNode);
   CXFA_LayoutItem* FindOrCreateLayoutItem(CXFA_Node* pFormNode);
 
  protected:
   FX_BOOL AppendNewPage(FX_BOOL bFirstTemPage = FALSE);
   void ReorderPendingLayoutRecordToTail(CXFA_ContainerRecord* pNewRecord,
                                         CXFA_ContainerRecord* pPrevRecord);
   void RemoveLayoutRecord(CXFA_ContainerRecord* pNewRecord,
                           CXFA_ContainerRecord* pPrevRecord);
   inline CXFA_ContainerRecord* GetCurrentContainerRecord() {
     CXFA_ContainerRecord* result =
         ((CXFA_ContainerRecord*)m_rgProposedContainerRecord.GetAt(
             m_pCurrentContainerRecord));
     ASSERT(result);
     return result;
   }
-  CXFA_ContainerRecord* CreateContainerRecord(CXFA_Node* pPageNode = NULL,
+  CXFA_ContainerRecord* CreateContainerRecord(CXFA_Node* pPageNode = nullptr,
                                               FX_BOOL bCreateNew = FALSE);
   void AddPageAreaLayoutItem(CXFA_ContainerRecord* pNewRecord,
                              CXFA_Node* pNewPageArea);
   void AddContentAreaLayoutItem(CXFA_ContainerRecord* pNewRecord,
                                 CXFA_Node* pContentArea);
   FX_BOOL RunBreak(XFA_ELEMENT eBreakType,
                    XFA_ATTRIBUTEENUM eTargetType,
                    CXFA_Node* pTarget,
                    FX_BOOL bStartNew);
   CXFA_Node* BreakOverflow(CXFA_Node* pOverflowNode,
                            CXFA_Node*& pLeaderTemplate,
                            CXFA_Node*& pTrailerTemplate,
                            FX_BOOL bCreatePage = TRUE);
   FX_BOOL ResolveBookendLeaderOrTrailer(CXFA_Node* pBookendNode,
                                         FX_BOOL bLeader,
                                         CXFA_Node*& pBookendAppendTemplate);
   FX_BOOL ExecuteBreakBeforeOrAfter(CXFA_Node* pCurNode,
                                     FX_BOOL bBefore,
                                     CXFA_Node*& pBreakLeaderTemplate,
                                     CXFA_Node*& pBreakTrailerTemplate);
 
   int32_t CreateMinPageRecord(CXFA_Node* pPageArea,
                               FX_BOOL bTargetPageArea,
                               FX_BOOL bCreateLast = FALSE);
   void CreateMinPageSetRecord(CXFA_Node* pPageSet, FX_BOOL bCreateAll = FALSE);
   void CreateNextMinRecord(CXFA_Node* pRecordNode);
   FX_BOOL FindPageAreaFromPageSet(CXFA_Node* pPageSet,
                                   CXFA_Node* pStartChild,
-                                  CXFA_Node* pTargetPageArea = NULL,
-                                  CXFA_Node* pTargetContentArea = NULL,
+                                  CXFA_Node* pTargetPageArea = nullptr,
+                                  CXFA_Node* pTargetContentArea = nullptr,
                                   FX_BOOL bNewPage = FALSE,
                                   FX_BOOL bQuery = FALSE);
-  FX_BOOL FindPageAreaFromPageSet_Ordered(CXFA_Node* pPageSet,
-                                          CXFA_Node* pStartChild,
-                                          CXFA_Node* pTargetPageArea = NULL,
-                                          CXFA_Node* pTargetContentArea = NULL,
-                                          FX_BOOL bNewPage = FALSE,
-                                          FX_BOOL bQuery = FALSE);
+  FX_BOOL FindPageAreaFromPageSet_Ordered(
+      CXFA_Node* pPageSet,
+      CXFA_Node* pStartChild,
+      CXFA_Node* pTargetPageArea = nullptr,
+      CXFA_Node* pTargetContentArea = nullptr,
+      FX_BOOL bNewPage = FALSE,
+      FX_BOOL bQuery = FALSE);
   FX_BOOL FindPageAreaFromPageSet_SimplexDuplex(
       CXFA_Node* pPageSet,
       CXFA_Node* pStartChild,
-      CXFA_Node* pTargetPageArea = NULL,
-      CXFA_Node* pTargetContentArea = NULL,
+      CXFA_Node* pTargetPageArea = nullptr,
+      CXFA_Node* pTargetContentArea = nullptr,
       FX_BOOL bNewPage = FALSE,
       FX_BOOL bQuery = FALSE,
       XFA_ATTRIBUTEENUM ePreferredPosition = XFA_ATTRIBUTEENUM_First);
   FX_BOOL MatchPageAreaOddOrEven(CXFA_Node* pPageArea, FX_BOOL bLastMatch);
   CXFA_Node* GetNextAvailPageArea(CXFA_Node* pTargetPageArea,
-                                  CXFA_Node* pTargetContentArea = NULL,
+                                  CXFA_Node* pTargetContentArea = nullptr,
                                   FX_BOOL bNewPage = FALSE,
                                   FX_BOOL bQuery = FALSE);
   FX_BOOL GetNextContentArea(CXFA_Node* pTargetContentArea);
   void InitPageSetMap();
   void ProcessLastPageSet();
   inline FX_BOOL IsPageSetRootOrderedOccurrence() {
     return m_ePageSetMode == XFA_ATTRIBUTEENUM_OrderedOccurrence;
   }
   void ClearData();
   void ClearRecordList();
@@ skipping 10 matching lines @@
   CXFA_Node* m_pCurPageArea;
   int32_t m_nAvailPages;
   int32_t m_nCurPageCount;
   XFA_ATTRIBUTEENUM m_ePageSetMode;
   FX_BOOL m_bCreateOverFlowPage;
   CFX_MapPtrTemplate<CXFA_Node*, int32_t> m_pPageSetMap;
   CFX_ArrayTemplate<CXFA_ContainerLayoutItem*> m_PageArray;
 };
 
 #endif  // XFA_FXFA_PARSER_XFA_LAYOUT_PAGEMGR_NEW_H_