Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGStaticStringList.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 SVGStaticStringList_h
 #define SVGStaticStringList_h
 
 #include "core/svg/SVGStringListTearOff.h"
 #include "core/svg/properties/SVGAnimatedProperty.h"
+#include "platform/heap/Handle.h"
 
 namespace blink {
 
 class SVGElement;
 
 // SVGStringList property implementations for SVGTests properties.
 // Inherits SVGAnimatedPropertyBase to enable XML attribute synchronization, but this is never animated.
 class SVGStaticStringList final : public SVGAnimatedPropertyBase {
 public:
-    static PassRefPtr<SVGStaticStringList> create(SVGElement* contextElement, const QualifiedName& attributeName)
+    static PassRefPtrWillBeRawPtr<SVGStaticStringList> create(SVGElement* contextElement, const QualifiedName& attributeName)
     {
-        return adoptRef(new SVGStaticStringList(contextElement, attributeName));
+        return adoptRefWillBeNoop(new SVGStaticStringList(contextElement, attributeName));
     }
 
     virtual ~SVGStaticStringList();
 
     // SVGAnimatedPropertyBase:
     virtual SVGPropertyBase* currentValueBase() override;
     virtual bool isAnimating() const override;
-    virtual PassRefPtr<SVGPropertyBase> createAnimatedValue() override;
-    virtual void setAnimatedValue(PassRefPtr<SVGPropertyBase>) override;
+    virtual PassRefPtrWillBeRawPtr<SVGPropertyBase> createAnimatedValue() override;
+    virtual void setAnimatedValue(PassRefPtrWillBeRawPtr<SVGPropertyBase>) override;
     virtual void animationEnded() override;
     virtual bool needsSynchronizeAttribute() override;
 
     void setBaseValueAsString(const String& value, SVGParsingError& parseError);
 
     SVGStringList* value() { return m_value.get(); }
     SVGStringListTearOff* tearOff();
 
+    virtual void trace(Visitor*) override;
+
 private:
     SVGStaticStringList(SVGElement*, const QualifiedName&);
 
-    RefPtr<SVGStringList> m_value;
-    RefPtr<SVGStringListTearOff> m_tearOff;
+    RefPtrWillBeMember<SVGStringList> m_value;
+    RefPtrWillBeMember<SVGStringListTearOff> m_tearOff;
 };
 
 }
 
 #endif