Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGFEDiffuseLightingElement.cpp

Index: Source/core/svg/SVGFEDiffuseLightingElement.cpp
diff --git a/Source/core/svg/SVGFEDiffuseLightingElement.cpp b/Source/core/svg/SVGFEDiffuseLightingElement.cpp
index 0bdb70575442d3d85cc3fceb37e8c44c2d1617b7..375adb470f2d4de745c950d665534cfb37146d8c 100644
--- a/Source/core/svg/SVGFEDiffuseLightingElement.cpp
+++ b/Source/core/svg/SVGFEDiffuseLightingElement.cpp
@@ -42,6 +42,15 @@ inline SVGFEDiffuseLightingElement::SVGFEDiffuseLightingElement(Document& docume
     addToPropertyMap(m_in1);
 }
 
+void SVGFEDiffuseLightingElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_diffuseConstant);
+    visitor->trace(m_surfaceScale);
+    visitor->trace(m_kernelUnitLength);
+    visitor->trace(m_in1);
+    SVGFilterPrimitiveStandardAttributes::trace(visitor);
+}
+
 DEFINE_NODE_FACTORY(SVGFEDiffuseLightingElement)
 
 bool SVGFEDiffuseLightingElement::isSupportedAttribute(const QualifiedName& attrName)
@@ -134,7 +143,7 @@ void SVGFEDiffuseLightingElement::lightElementAttributeChanged(const SVGFELightE
     primitiveAttributeChanged(attrName);
 }
 
-PassRefPtr<FilterEffect> SVGFEDiffuseLightingElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
+PassRefPtrWillBeRawPtr<FilterEffect> SVGFEDiffuseLightingElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
 {
     FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(m_in1->currentValue()->value()));
 
@@ -153,7 +162,7 @@ PassRefPtr<FilterEffect> SVGFEDiffuseLightingElement::build(SVGFilterBuilder* fi
     Color color = renderer->style()->svgStyle().lightingColor();
 
     RefPtr<LightSource> lightSource = lightNode->lightSource(filter);
-    RefPtr<FilterEffect> effect = FEDiffuseLighting::create(filter, color, m_surfaceScale->currentValue()->value(), m_diffuseConstant->currentValue()->value(),
+    RefPtrWillBeRawPtr<FilterEffect> effect = FEDiffuseLighting::create(filter, color, m_surfaceScale->currentValue()->value(), m_diffuseConstant->currentValue()->value(),
         kernelUnitLengthX()->currentValue()->value(), kernelUnitLengthY()->currentValue()->value(), lightSource.release());
     effect->inputEffects().append(input1);
     return effect.release();