Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGTransformTearOff.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 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef SVGTransformTearOff_h
 #define SVGTransformTearOff_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/svg/SVGMatrixTearOff.h"
 #include "core/svg/SVGTransform.h"
 #include "core/svg/properties/SVGPropertyTearOff.h"
+#include "platform/heap/Handle.h"
 
 namespace blink {
 
 class SVGTransformTearOff final : public SVGPropertyTearOff<SVGTransform>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     enum SVGTransformType {
         SVG_TRANSFORM_UNKNOWN = blink::SVG_TRANSFORM_UNKNOWN,
         SVG_TRANSFORM_MATRIX = blink::SVG_TRANSFORM_MATRIX,
         SVG_TRANSFORM_TRANSLATE = blink::SVG_TRANSFORM_TRANSLATE,
         SVG_TRANSFORM_SCALE = blink::SVG_TRANSFORM_SCALE,
         SVG_TRANSFORM_ROTATE = blink::SVG_TRANSFORM_ROTATE,
         SVG_TRANSFORM_SKEWX = blink::SVG_TRANSFORM_SKEWX,
         SVG_TRANSFORM_SKEWY = blink::SVG_TRANSFORM_SKEWY,
     };
 
-    static PassRefPtr<SVGTransformTearOff> create(PassRefPtr<SVGTransform> target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName = QualifiedName::null())
+    static PassRefPtrWillBeRawPtr<SVGTransformTearOff> create(PassRefPtrWillBeRawPtr<SVGTransform> target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName = QualifiedName::null())
     {
-        return adoptRef(new SVGTransformTearOff(target, contextElement, propertyIsAnimVal, attributeName));
+        return adoptRefWillBeNoop(new SVGTransformTearOff(target, contextElement, propertyIsAnimVal, attributeName));
     }
 
     virtual ~SVGTransformTearOff();
 
     unsigned short transformType() { return target()->transformType(); }
     SVGMatrixTearOff* matrix();
     float angle() { return target()->angle(); }
 
-    void setMatrix(PassRefPtr<SVGMatrixTearOff>, ExceptionState&);
+    void setMatrix(PassRefPtrWillBeRawPtr<SVGMatrixTearOff>, ExceptionState&);
     void setTranslate(float tx, float ty, ExceptionState&);
     void setScale(float sx, float sy, ExceptionState&);
     void setRotate(float angle, float cx, float cy, ExceptionState&);
     void setSkewX(float, ExceptionState&);
     void setSkewY(float, ExceptionState&);
 
+    virtual void trace(Visitor*) override;
+
 private:
-    SVGTransformTearOff(PassRefPtr<SVGTransform>, SVGElement* contextElement, PropertyIsAnimValType, const QualifiedName& attributeName);
+    SVGTransformTearOff(PassRefPtrWillBeRawPtr<SVGTransform>, SVGElement* contextElement, PropertyIsAnimValType, const QualifiedName& attributeName);
 
-    RefPtr<SVGMatrixTearOff> m_matrixTearoff;
+    RefPtrWillBeMember<SVGMatrixTearOff> m_matrixTearoff;
 };
 
 } // namespace blink
 
 #endif // SVGTransformTearOff_h