Use nullptr_t for RefPtr, PassRefPtr and RawPtr.

Source/core/svg/SVGTransformList.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2012. 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 104 matching lines @@
 }
 
 // These should be kept in sync with enum SVGTransformType
 static const int requiredValuesForType[] =  {0, 6, 1, 1, 1, 1, 1};
 static const int optionalValuesForType[] =  {0, 0, 1, 1, 2, 0, 0};
 
 template<typename CharType>
 PassRefPtr<SVGTransform> parseTransformOfType(unsigned type, const CharType*& ptr, const CharType* end)
 {
     if (type == SVG_TRANSFORM_UNKNOWN)
-        return 0;
+        return nullptr;
 
     int valueCount = 0;
     float values[] = {0, 0, 0, 0, 0, 0};
     if ((valueCount = parseTransformParamList(ptr, end, values, requiredValuesForType[type], optionalValuesForType[type])) < 0) {
-        return 0;
+        return nullptr;
     }
 
     RefPtr<SVGTransform> transform = SVGTransform::create();
 
     switch (type) {
     case SVG_TRANSFORM_SKEWX:
         transform->setSkewX(values[0]);
         break;
     case SVG_TRANSFORM_SKEWY:
         transform->setSkewY(values[0]);
@@ skipping 111 matching lines @@
 
     if (!valid) {
         clear();
         exceptionState.throwDOMException(SyntaxError, "Problem parsing transform list=\""+value+"\"");
     }
 }
 
 PassRefPtr<NewSVGPropertyBase> SVGTransformList::cloneForAnimation(const String& value) const
 {
     ASSERT_NOT_REACHED();
-    return 0;
+    return nullptr;
 }
 
 PassRefPtr<SVGTransformList> SVGTransformList::create(SVGTransformType transformType, const String& value)
 {
     RefPtr<SVGTransform> transform;
     if (value.isEmpty()) {
     } else if (value.is8Bit()) {
         const LChar* ptr = value.characters8();
         const LChar* end = ptr + value.length();
         transform = parseTransformOfType(transformType, ptr, end);
@@ skipping 74 matching lines @@
     if (at(0)->transformType() == toList->at(0)->transformType())
         return -1;
 
     // Spec: http://www.w3.org/TR/SVG/animate.html#complexDistances
     // Paced animations assume a notion of distance between the various animation values defined by the ‘to’, ‘from’, ‘by’ and ‘values’ attributes.
     // Distance is defined only for scalar types (such as <length>), colors and the subset of transformation types that are supported by ‘animateTransform’.
     return SVGTransformDistance(at(0), toList->at(0)).distance();
 }
 
 }