Get rid of NULLs in core/

core/fxge/ge/fx_ge_linux.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
 
 #ifndef _SKIA_SUPPORT_
 #include "core/fxge/agg/fx_agg_driver.h"
 #endif
 
@@ skipping 10 matching lines @@
                 const FX_CHAR* family,
                 int& iExact) override;
   FX_BOOL ParseFontCfg(const char** pUserPaths);
 };
 #define LINUX_GPNAMESIZE 6
 static const struct {
   const FX_CHAR* NameArr[LINUX_GPNAMESIZE];
 } LinuxGpFontList[] = {
     {{"TakaoPGothic", "VL PGothic", "IPAPGothic", "VL Gothic", "Kochi Gothic",
       "VL Gothic regular"}},
-    {{"TakaoGothic", "VL Gothic", "IPAGothic", "Kochi Gothic", NULL,
+    {{"TakaoGothic", "VL Gothic", "IPAGothic", "Kochi Gothic", nullptr,
       "VL Gothic regular"}},
-    {{"TakaoPMincho", "IPAPMincho", "VL Gothic", "Kochi Mincho", NULL,
+    {{"TakaoPMincho", "IPAPMincho", "VL Gothic", "Kochi Mincho", nullptr,
       "VL Gothic regular"}},
-    {{"TakaoMincho", "IPAMincho", "VL Gothic", "Kochi Mincho", NULL,
+    {{"TakaoMincho", "IPAMincho", "VL Gothic", "Kochi Mincho", nullptr,
       "VL Gothic regular"}},
 };
 static const FX_CHAR* const g_LinuxGbFontList[] = {
     "AR PL UMing CN Light", "WenQuanYi Micro Hei", "AR PL UKai CN",
 };
 static const FX_CHAR* const g_LinuxB5FontList[] = {
     "AR PL UMing TW Light", "WenQuanYi Micro Hei", "AR PL UKai TW",
 };
 static const FX_CHAR* const g_LinuxHGFontList[] = {
     "UnDotum",
@@ skipping 98 matching lines @@
     AddPath(*pPath);
   return TRUE;
 }
 
 void CFX_GEModule::InitPlatform() {
   m_pFontMgr->SetSystemFontInfo(
       IFX_SystemFontInfo::CreateDefault(m_pUserFontPaths));
 }
 void CFX_GEModule::DestroyPlatform() {}
 #endif  // _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_