Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGAnimatedColor.cpp

Index: Source/core/svg/SVGAnimatedColor.cpp
diff --git a/Source/core/svg/SVGAnimatedColor.cpp b/Source/core/svg/SVGAnimatedColor.cpp
index 6ea6b98ee43850c784264115b971b09097ce64a2..d765ff8a1cdad31da1baa467d790c3e74cf087ce 100644
--- a/Source/core/svg/SVGAnimatedColor.cpp
+++ b/Source/core/svg/SVGAnimatedColor.cpp
@@ -32,7 +32,7 @@ String SVGColorProperty::valueAsString() const
     return m_styleColor.isCurrentColor() ? "currentColor" : m_styleColor.color().serializedAsCSSComponentValue();
 }
 
-PassRefPtr<SVGPropertyBase> SVGColorProperty::cloneForAnimation(const String&) const
+PassRefPtrWillBeRawPtr<SVGPropertyBase> SVGColorProperty::cloneForAnimation(const String&) const
 {
     // SVGAnimatedColor is deprecated. So No SVG DOM animation.
     ASSERT_NOT_REACHED();
@@ -58,7 +58,7 @@ void SVGColorProperty::add(PassRefPtrWillBeRawPtr<SVGPropertyBase> other, SVGEle
     m_styleColor = StyleColor(ColorDistance::addColors(fromColor, toColor));
 }
 
-void SVGColorProperty::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> fromValue, PassRefPtr<SVGPropertyBase> toValue, PassRefPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement)
+void SVGColorProperty::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> fromValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement)
 {
     StyleColor fromStyleColor = toSVGColorProperty(fromValue)->m_styleColor;
     StyleColor toStyleColor = toSVGColorProperty(toValue)->m_styleColor;
@@ -88,7 +88,7 @@ void SVGColorProperty::calculateAnimatedValue(SVGAnimationElement* animationElem
     m_styleColor = StyleColor(makeRGBA(roundf(animatedRed), roundf(animatedGreen), roundf(animatedBlue), roundf(animatedAlpha)));
 }
 
-float SVGColorProperty::calculateDistance(PassRefPtr<SVGPropertyBase> toValue, SVGElement* contextElement)
+float SVGColorProperty::calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> toValue, SVGElement* contextElement)
 {
     ASSERT(contextElement);
     Color fallbackColor = fallbackColorForCurrentColor(contextElement);