Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGAnimatedBoolean.h

Index: Source/core/svg/SVGAnimatedBoolean.h
diff --git a/Source/core/svg/SVGAnimatedBoolean.h b/Source/core/svg/SVGAnimatedBoolean.h
index cd24817f4618d9f6c865992c204b21db1105cc88..076bd879e4c714b35ae09ccbfe85c46b6d727d3c 100644
--- a/Source/core/svg/SVGAnimatedBoolean.h
+++ b/Source/core/svg/SVGAnimatedBoolean.h
@@ -38,13 +38,13 @@ namespace blink {
 
 class SVGAnimatedBoolean final : public SVGAnimatedProperty<SVGBoolean> {
 public:
-    static PassRefPtr<SVGAnimatedBoolean> create(SVGElement* contextElement, const QualifiedName& attributeName, PassRefPtr<SVGBoolean> initialValue)
+    static PassRefPtrWillBeRawPtr<SVGAnimatedBoolean> create(SVGElement* contextElement, const QualifiedName& attributeName, PassRefPtrWillBeRawPtr<SVGBoolean> initialValue)
     {
-        return adoptRef(new SVGAnimatedBoolean(contextElement, attributeName, initialValue));
+        return adoptRefWillBeNoop(new SVGAnimatedBoolean(contextElement, attributeName, initialValue));
     }
 
 protected:
-    SVGAnimatedBoolean(SVGElement* contextElement, const QualifiedName& attributeName, PassRefPtr<SVGBoolean> initialValue)
+    SVGAnimatedBoolean(SVGElement* contextElement, const QualifiedName& attributeName, PassRefPtrWillBeRawPtr<SVGBoolean> initialValue)
         : SVGAnimatedProperty<SVGBoolean>(contextElement, attributeName, initialValue)
     {
     }