Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGPathSegCurvetoQuadraticRel.h

Index: Source/core/svg/SVGPathSegCurvetoQuadraticRel.h
diff --git a/Source/core/svg/SVGPathSegCurvetoQuadraticRel.h b/Source/core/svg/SVGPathSegCurvetoQuadraticRel.h
index 1e35f14564bb3a248bfe9ade1460f566db52d0e1..dd696f027d1ef70f31bbcc4e6e6371e9a363ad0d 100644
--- a/Source/core/svg/SVGPathSegCurvetoQuadraticRel.h
+++ b/Source/core/svg/SVGPathSegCurvetoQuadraticRel.h
@@ -29,9 +29,9 @@ namespace blink {
 class SVGPathSegCurvetoQuadraticRel final : public SVGPathSegCurvetoQuadratic {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtr<SVGPathSegCurvetoQuadraticRel> create(SVGPathElement* element, float x, float y, float x1, float y1)
+    static PassRefPtrWillBeRawPtr<SVGPathSegCurvetoQuadraticRel> create(SVGPathElement* element, float x, float y, float x1, float y1)
     {
-        return adoptRef(new SVGPathSegCurvetoQuadraticRel(element, x, y, x1, y1));
+        return adoptRefWillBeNoop(new SVGPathSegCurvetoQuadraticRel(element, x, y, x1, y1));
     }
 
 private: