Get rid of NULLs in core/

core/fxge/ge/fx_ge_path.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/fxcrt/include/fx_system.h"
 #include "core/fxge/include/fx_ge.h"
 #include "third_party/base/numerics/safe_math.h"
 
@@ skipping 96 matching lines @@
       }
     }
     m_Box = new_box;
     m_Mask = new_mask;
     return;
   }
   ASSERT(FALSE);
 }
 CFX_PathData::CFX_PathData() {
   m_PointCount = m_AllocCount = 0;
-  m_pPoints = NULL;
+  m_pPoints = nullptr;
 }
 CFX_PathData::~CFX_PathData() {
   FX_Free(m_pPoints);
 }
 void CFX_PathData::SetPointCount(int nPoints) {
   m_PointCount = nPoints;
   if (m_AllocCount < nPoints) {
     FX_Free(m_pPoints);
     m_pPoints = FX_Alloc(FX_PATHPOINT, nPoints);
     m_AllocCount = nPoints;
@@ skipping 325 matching lines @@
         break;
       }
       int new_count = t_path.GetPointCount();
       t_path.AddPointCount(2);
       t_path.SetPoint(new_count, m_pPoints[mid - i].m_PointX,
                       m_pPoints[mid - i].m_PointY, FXPT_MOVETO);
       t_path.SetPoint(new_count + 1, m_pPoints[mid - i - 1].m_PointX,
                       m_pPoints[mid - i - 1].m_PointY, FXPT_LINETO);
     }
     if (!bZeroArea) {
-      NewPath.Append(&t_path, NULL);
+      NewPath.Append(&t_path, nullptr);
       bThin = TRUE;
       return TRUE;
     }
   }
   int stratPoint = 0;
   int next = 0, i;
   for (i = 0; i < m_PointCount; i++) {
     int point_type = m_pPoints[i].m_Flag & FXPT_TYPE;
     if (point_type == FXPT_MOVETO) {
       stratPoint = i;
@@ skipping 139 matching lines @@
   }
   return TRUE;
 }
 void CFX_PathData::Copy(const CFX_PathData& src) {
   SetPointCount(src.m_PointCount);
   FXSYS_memcpy(m_pPoints, src.m_pPoints, sizeof(FX_PATHPOINT) * m_PointCount);
 }
 CFX_GraphStateData::CFX_GraphStateData() {
   m_LineCap = LineCapButt;
   m_DashCount = 0;
-  m_DashArray = NULL;
+  m_DashArray = nullptr;
   m_DashPhase = 0;
   m_LineJoin = LineJoinMiter;
   m_MiterLimit = 10 * 1.0f;
   m_LineWidth = 1.0f;
 }
 CFX_GraphStateData::CFX_GraphStateData(const CFX_GraphStateData& src) {
-  m_DashArray = NULL;
+  m_DashArray = nullptr;
   Copy(src);
 }
 void CFX_GraphStateData::Copy(const CFX_GraphStateData& src) {
   m_LineCap = src.m_LineCap;
   m_DashCount = src.m_DashCount;
   FX_Free(m_DashArray);
-  m_DashArray = NULL;
+  m_DashArray = nullptr;
   m_DashPhase = src.m_DashPhase;
   m_LineJoin = src.m_LineJoin;
   m_MiterLimit = src.m_MiterLimit;
   m_LineWidth = src.m_LineWidth;
   if (m_DashCount) {
     m_DashArray = FX_Alloc(FX_FLOAT, m_DashCount);
     FXSYS_memcpy(m_DashArray, src.m_DashArray, m_DashCount * sizeof(FX_FLOAT));
   }
 }
 CFX_GraphStateData::~CFX_GraphStateData() {
   FX_Free(m_DashArray);
 }
 void CFX_GraphStateData::SetDashCount(int count) {
   FX_Free(m_DashArray);
-  m_DashArray = NULL;
+  m_DashArray = nullptr;
   m_DashCount = count;
   if (count == 0) {
     return;
   }
   m_DashArray = FX_Alloc(FX_FLOAT, count);
 }