Get rid of NULLs in core/

core/fpdfapi/fpdf_font/ttgsubtable.cpp

 // 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
 
 #include "core/fpdfapi/fpdf_font/ttgsubtable.h"
 
 #include <memory>
 
@@ skipping 272 matching lines @@
   int i;
   FT_Bytes sp = raw;
   rec->LookupType = GetUInt16(sp);
   rec->LookupFlag = GetUInt16(sp);
   rec->SubTableCount = GetUInt16(sp);
   if (rec->SubTableCount <= 0) {
     return;
   }
   rec->SubTable = new struct TSubTableBase*[rec->SubTableCount];
   for (i = 0; i < rec->SubTableCount; i++) {
-    rec->SubTable[i] = NULL;
+    rec->SubTable[i] = nullptr;
   }
   if (rec->LookupType != 1) {
     return;
   }
   for (i = 0; i < rec->SubTableCount; i++) {
     uint16_t offset = GetUInt16(sp);
     ParseSingleSubst(&raw[offset], &rec->SubTable[i]);
   }
 }
 void CFX_CTTGSUBTable::ParseCoverage(FT_Bytes raw, TCoverageFormatBase** rec) {
@@ skipping 71 matching lines @@
   ParseCoverage(&raw[offset], &rec->Coverage);
   rec->GlyphCount = GetUInt16(sp);
   if (rec->GlyphCount <= 0) {
     return;
   }
   rec->Substitute = new uint16_t[rec->GlyphCount];
   for (i = 0; i < rec->GlyphCount; i++) {
     rec->Substitute[i] = GetUInt16(sp);
   }
 }