Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGPathSegCurvetoCubicAbs.h

Index: Source/core/svg/SVGPathSegCurvetoCubicAbs.h
diff --git a/Source/core/svg/SVGPathSegCurvetoCubicAbs.h b/Source/core/svg/SVGPathSegCurvetoCubicAbs.h
index f612e75b5f4c1a3ac8920ba163212a59e2d199c7..f33fbbd0cf7e103c686d2fa78b110af2b171e9bf 100644
--- a/Source/core/svg/SVGPathSegCurvetoCubicAbs.h
+++ b/Source/core/svg/SVGPathSegCurvetoCubicAbs.h
@@ -29,9 +29,9 @@ namespace blink {
 class SVGPathSegCurvetoCubicAbs final : public SVGPathSegCurvetoCubic {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtr<SVGPathSegCurvetoCubicAbs> create(SVGPathElement* element, float x, float y, float x1, float y1, float x2, float y2)
+    static PassRefPtrWillBeRawPtr<SVGPathSegCurvetoCubicAbs> create(SVGPathElement* element, float x, float y, float x1, float y1, float x2, float y2)
     {
-        return adoptRef(new SVGPathSegCurvetoCubicAbs(element, x, y, x1, y1, x2, y2));
+        return adoptRefWillBeNoop(new SVGPathSegCurvetoCubicAbs(element, x, y, x1, y1, x2, y2));
     }
 
 private: