Use nullptr_t for RefPtr, PassRefPtr and RawPtr.

Source/core/svg/SVGPathSegListBuilder.cpp

 /*
  * Copyright (C) 2002, 2003 The Karbon Developers
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007, 2009 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 33 matching lines @@
 #include "core/svg/SVGPathSegLinetoRel.h"
 #include "core/svg/SVGPathSegLinetoVerticalAbs.h"
 #include "core/svg/SVGPathSegLinetoVerticalRel.h"
 #include "core/svg/SVGPathSegMovetoAbs.h"
 #include "core/svg/SVGPathSegMovetoRel.h"
 
 namespace WebCore {
 
 SVGPathSegListBuilder::SVGPathSegListBuilder()
     : m_pathElement(0)
-    , m_pathSegList(0)
+    , m_pathSegList(nullptr)
     , m_pathSegRole(PathSegUndefinedRole)
 {
 }
 
 void SVGPathSegListBuilder::moveTo(const FloatPoint& targetPoint, bool, PathCoordinateMode mode)
 {
     ASSERT(m_pathElement);
     ASSERT(m_pathSegList);
     if (mode == AbsoluteCoordinates)
         m_pathSegList->appendWithoutByteStreamSync(SVGPathSegMovetoAbs::create(m_pathElement, m_pathSegRole, targetPoint.x(), targetPoint.y()));
@@ skipping 82 matching lines @@
 }
 
 void SVGPathSegListBuilder::closePath()
 {
     ASSERT(m_pathElement);
     ASSERT(m_pathSegList);
     m_pathSegList->appendWithoutByteStreamSync(SVGPathSegClosePath::create(m_pathElement, m_pathSegRole));
 }
 
 }