Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGNumberList.h

Index: Source/core/svg/SVGNumberList.h
diff --git a/Source/core/svg/SVGNumberList.h b/Source/core/svg/SVGNumberList.h
index 79843a8c0dab14a0a4cde8f70daa21abd6410438..8ffcf2abe2a44b0f66467bf693bd1f50f93ce046 100644
--- a/Source/core/svg/SVGNumberList.h
+++ b/Source/core/svg/SVGNumberList.h
@@ -43,9 +43,9 @@ class SVGNumberList final : public SVGListPropertyHelper<SVGNumberList, SVGNumbe
 public:
     typedef SVGNumberListTearOff TearOffType;
 
-    static PassRefPtr<SVGNumberList> create()
+    static PassRefPtrWillBeRawPtr<SVGNumberList> create()
     {
-        return adoptRef(new SVGNumberList());
+        return adoptRefWillBeNoop(new SVGNumberList());
     }
 
     virtual ~SVGNumberList();
@@ -56,8 +56,8 @@ public:
     virtual String valueAsString() const override;
 
     virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
-    virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> fromValue, PassRefPtr<SVGPropertyBase> toValue, PassRefPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) override;
-    virtual float calculateDistance(PassRefPtr<SVGPropertyBase> to, SVGElement*) override;
+    virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> fromValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) override;
+    virtual float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement*) override;
 
     static AnimatedPropertyType classType() { return AnimatedNumberList; }