Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGFilterPrimitiveStandardAttributes.cpp

Index: Source/core/svg/SVGFilterPrimitiveStandardAttributes.cpp
diff --git a/Source/core/svg/SVGFilterPrimitiveStandardAttributes.cpp b/Source/core/svg/SVGFilterPrimitiveStandardAttributes.cpp
index 61482b158c62a765113f99910187643cb58dd711..488232af1cb79d555528cd2254d4b78040749c1f 100644
--- a/Source/core/svg/SVGFilterPrimitiveStandardAttributes.cpp
+++ b/Source/core/svg/SVGFilterPrimitiveStandardAttributes.cpp
@@ -53,6 +53,16 @@ SVGFilterPrimitiveStandardAttributes::SVGFilterPrimitiveStandardAttributes(const
     addToPropertyMap(m_result);
 }
 
+void SVGFilterPrimitiveStandardAttributes::trace(Visitor* visitor)
+{
+    visitor->trace(m_x);
+    visitor->trace(m_y);
+    visitor->trace(m_width);
+    visitor->trace(m_height);
+    visitor->trace(m_result);
+    SVGElement::trace(visitor);
+}
+
 bool SVGFilterPrimitiveStandardAttributes::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());