Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGPathSegCurvetoCubicSmoothRel.h

Index: Source/core/svg/SVGPathSegCurvetoCubicSmoothRel.h
diff --git a/Source/core/svg/SVGPathSegCurvetoCubicSmoothRel.h b/Source/core/svg/SVGPathSegCurvetoCubicSmoothRel.h
index 446521e92bbdf3631f2820e3ced08204d7be896d..7504dfb9db8e38e2cc4f4d197136fce3f09b2c37 100644
--- a/Source/core/svg/SVGPathSegCurvetoCubicSmoothRel.h
+++ b/Source/core/svg/SVGPathSegCurvetoCubicSmoothRel.h
@@ -29,9 +29,9 @@ namespace blink {
 class SVGPathSegCurvetoCubicSmoothRel final : public SVGPathSegCurvetoCubicSmooth {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtr<SVGPathSegCurvetoCubicSmoothRel> create(SVGPathElement* element, float x, float y, float x2, float y2)
+    static PassRefPtrWillBeRawPtr<SVGPathSegCurvetoCubicSmoothRel> create(SVGPathElement* element, float x, float y, float x2, float y2)
     {
-        return adoptRef(new SVGPathSegCurvetoCubicSmoothRel(element, x, y, x2, y2));
+        return adoptRefWillBeNoop(new SVGPathSegCurvetoCubicSmoothRel(element, x, y, x2, y2));
     }
 
 private: