Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGIntegerOptionalInteger.cpp

Index: Source/core/svg/SVGIntegerOptionalInteger.cpp
diff --git a/Source/core/svg/SVGIntegerOptionalInteger.cpp b/Source/core/svg/SVGIntegerOptionalInteger.cpp
index 98415a4cbf07ef4879ba51be425be625fc3078e7..195a95545d65c1bc8e9ee411fb563cbc130332a9 100644
--- a/Source/core/svg/SVGIntegerOptionalInteger.cpp
+++ b/Source/core/svg/SVGIntegerOptionalInteger.cpp
@@ -36,19 +36,26 @@
 
 namespace blink {
 
-SVGIntegerOptionalInteger::SVGIntegerOptionalInteger(PassRefPtr<SVGInteger> firstInteger, PassRefPtr<SVGInteger> secondInteger)
+SVGIntegerOptionalInteger::SVGIntegerOptionalInteger(PassRefPtrWillBeRawPtr<SVGInteger> firstInteger, PassRefPtrWillBeRawPtr<SVGInteger> secondInteger)
     : SVGPropertyBase(classType())
     , m_firstInteger(firstInteger)
     , m_secondInteger(secondInteger)
 {
 }
 
-PassRefPtr<SVGIntegerOptionalInteger> SVGIntegerOptionalInteger::clone() const
+void SVGIntegerOptionalInteger::trace(Visitor* visitor)
+{
+    visitor->trace(m_firstInteger);
+    visitor->trace(m_secondInteger);
+    SVGPropertyBase::trace(visitor);
+}
+
+PassRefPtrWillBeRawPtr<SVGIntegerOptionalInteger> SVGIntegerOptionalInteger::clone() const
 {
     return SVGIntegerOptionalInteger::create(m_firstInteger->clone(), m_secondInteger->clone());
 }
 
-PassRefPtr<SVGPropertyBase> SVGIntegerOptionalInteger::cloneForAnimation(const String& value) const
+PassRefPtrWillBeRawPtr<SVGPropertyBase> SVGIntegerOptionalInteger::cloneForAnimation(const String& value) const
 {
     float floatX, floatY;
     if (!parseNumberOptionalNumber(value, floatX, floatY)) {
@@ -84,19 +91,19 @@ void SVGIntegerOptionalInteger::setValueAsString(const String& value, ExceptionS
 
 void SVGIntegerOptionalInteger::add(PassRefPtrWillBeRawPtr<SVGPropertyBase> other, SVGElement*)
 {
-    RefPtr<SVGIntegerOptionalInteger> otherIntegerOptionalInteger = toSVGIntegerOptionalInteger(other);
+    RefPtrWillBeRawPtr<SVGIntegerOptionalInteger> otherIntegerOptionalInteger = toSVGIntegerOptionalInteger(other);
 
     m_firstInteger->setValue(m_firstInteger->value() + otherIntegerOptionalInteger->m_firstInteger->value());
     m_secondInteger->setValue(m_secondInteger->value() + otherIntegerOptionalInteger->m_secondInteger->value());
 }
 
-void SVGIntegerOptionalInteger::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> from, PassRefPtr<SVGPropertyBase> to, PassRefPtr<SVGPropertyBase> toAtEndOfDuration, SVGElement*)
+void SVGIntegerOptionalInteger::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> from, PassRefPtrWillBeRawPtr<SVGPropertyBase> to, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDuration, SVGElement*)
 {
     ASSERT(animationElement);
 
-    RefPtr<SVGIntegerOptionalInteger> fromInteger = toSVGIntegerOptionalInteger(from);
-    RefPtr<SVGIntegerOptionalInteger> toInteger = toSVGIntegerOptionalInteger(to);
-    RefPtr<SVGIntegerOptionalInteger> toAtEndOfDurationInteger = toSVGIntegerOptionalInteger(toAtEndOfDuration);
+    RefPtrWillBeRawPtr<SVGIntegerOptionalInteger> fromInteger = toSVGIntegerOptionalInteger(from);
+    RefPtrWillBeRawPtr<SVGIntegerOptionalInteger> toInteger = toSVGIntegerOptionalInteger(to);
+    RefPtrWillBeRawPtr<SVGIntegerOptionalInteger> toAtEndOfDurationInteger = toSVGIntegerOptionalInteger(toAtEndOfDuration);
 
     float x = m_firstInteger->value();
     float y = m_secondInteger->value();
@@ -106,7 +113,7 @@ void SVGIntegerOptionalInteger::calculateAnimatedValue(SVGAnimationElement* anim
     m_secondInteger->setValue(static_cast<int>(roundf(y)));
 }
 
-float SVGIntegerOptionalInteger::calculateDistance(PassRefPtr<SVGPropertyBase> other, SVGElement*)
+float SVGIntegerOptionalInteger::calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> other, SVGElement*)
 {
     // FIXME: Distance calculation is not possible for SVGIntegerOptionalInteger right now. We need the distance for every single value.
     return -1;