Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGString.cpp

 /*
  * Copyright (C) Research In Motion Limited 2011. 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 11 matching lines @@
 
 #include "core/svg/SVGAnimateElement.h"
 
 namespace blink {
 
 void SVGString::add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*)
 {
     ASSERT_NOT_REACHED();
 }
 
-void SVGString::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> from, PassRefPtr<SVGPropertyBase> to, PassRefPtr<SVGPropertyBase>, SVGElement*)
+void SVGString::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> from, PassRefPtrWillBeRawPtr<SVGPropertyBase> to, PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*)
 {
     ASSERT(animationElement);
 
     String fromString = toSVGString(from)->m_value;
     String toString = toSVGString(to)->m_value;
 
     animationElement->animateDiscreteType<String>(percentage, fromString, toString, m_value);
 }
 
-float SVGString::calculateDistance(PassRefPtr<SVGPropertyBase>, SVGElement*)
+float SVGString::calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*)
 {
     // No paced animations for strings.
     return -1;
 }
 
 }