Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGAnimatedAngle.h

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef SVGAnimatedAngle_h
 #define SVGAnimatedAngle_h
 
 #include "core/svg/SVGAngleTearOff.h"
 #include "core/svg/SVGAnimatedEnumeration.h"
+#include "platform/heap/Handle.h"
 
 namespace blink {
 
 class SVGMarkerElement;
 
 class SVGAnimatedAngle final : public SVGAnimatedProperty<SVGAngle> {
 public:
-    static PassRefPtr<SVGAnimatedAngle> create(SVGMarkerElement* contextElement)
+    static PassRefPtrWillBeRawPtr<SVGAnimatedAngle> create(SVGMarkerElement* contextElement)
     {
-        return adoptRef(new SVGAnimatedAngle(contextElement));
+        return adoptRefWillBeNoop(new SVGAnimatedAngle(contextElement));
     }
 
     virtual ~SVGAnimatedAngle();
 
     SVGAnimatedEnumeration<SVGMarkerOrientType>* orientType() { return m_orientType.get(); }
 
     // SVGAnimatedPropertyBase:
 
     virtual void synchronizeAttribute() override;
 
-    virtual void setAnimatedValue(PassRefPtr<SVGPropertyBase>) override;
+    virtual void setAnimatedValue(PassRefPtrWillBeRawPtr<SVGPropertyBase>) override;
     virtual void animationEnded() override;
 
+    virtual void trace(Visitor*) override;
+
 protected:
-    SVGAnimatedAngle(SVGMarkerElement* contextElement);
+    explicit SVGAnimatedAngle(SVGMarkerElement* contextElement);
 
 private:
-    RefPtr<SVGAnimatedEnumeration<SVGMarkerOrientType> > m_orientType;
+    RefPtrWillBeMember<SVGAnimatedEnumeration<SVGMarkerOrientType> > m_orientType;
 };
 
 } // namespace blink
 
 #endif // SVGAnimatedAngle_h