Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGViewSpec.h

 /*
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 13 matching lines @@
 #include "core/svg/SVGFitToViewBox.h"
 #include "core/svg/SVGSVGElement.h"
 #include "core/svg/SVGZoomAndPan.h"
 #include "platform/heap/Handle.h"
 #include "wtf/WeakPtr.h"
 
 namespace blink {
 
 class SVGViewSpec final : public RefCountedWillBeGarbageCollectedFinalized<SVGViewSpec>, public ScriptWrappable, public SVGZoomAndPan, public SVGFitToViewBox {
     DEFINE_WRAPPERTYPEINFO();
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SVGViewSpec);
 public:
 #if !ENABLE(OILPAN)
     using RefCounted<SVGViewSpec>::ref;
     using RefCounted<SVGViewSpec>::deref;
 #endif
 
     static PassRefPtrWillBeRawPtr<SVGViewSpec> create(SVGSVGElement* contextElement)
     {
         return adoptRefWillBeNoop(new SVGViewSpec(contextElement));
     }
 
     bool parseViewSpec(const String&);
     void reset();
     void detachContextElement();
 
     // JS API
     SVGTransformList* transform() { return m_transform ? m_transform->baseValue() : 0; }
-    PassRefPtr<SVGTransformListTearOff> transformFromJavascript() { return m_transform ? m_transform->baseVal() : 0; }
+    PassRefPtrWillBeRawPtr<SVGTransformListTearOff> transformFromJavascript() { return m_transform ? m_transform->baseVal() : 0; }
     SVGElement* viewTarget() const;
     String viewBoxString() const;
     String preserveAspectRatioString() const;
     String transformString() const;
     String viewTargetString() const { return m_viewTargetString; }
     // override SVGZoomAndPan.setZoomAndPan so can throw exception on write
     void setZoomAndPan(unsigned short value) { } // read only
     void setZoomAndPan(unsigned short value, ExceptionState&);
 
-    void trace(Visitor*);
+    virtual void trace(Visitor*) override;
 
     SVGSVGElement* contextElement() { return m_contextElement.get(); }
 
 private:
     explicit SVGViewSpec(SVGSVGElement*);
 
     template<typename CharType>
     bool parseViewSpecInternal(const CharType* ptr, const CharType* end);
 
     RawPtrWillBeMember<SVGSVGElement> m_contextElement;
-    RefPtr<SVGAnimatedTransformList> m_transform;
+    RefPtrWillBeMember<SVGAnimatedTransformList> m_transform;
     String m_viewTargetString;
 };
 
 } // namespace blink
 
 #endif // SVGViewSpec_h