Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGAnimatedIntegerOptionalInteger.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 SVGAnimatedIntegerOptionalInteger_h
 #define SVGAnimatedIntegerOptionalInteger_h
 
 #include "core/svg/SVGAnimatedInteger.h"
 #include "core/svg/SVGIntegerOptionalInteger.h"
+#include "platform/heap/Handle.h"
 
 namespace blink {
 
 // SVG Spec: http://www.w3.org/TR/SVG11/types.html <number-optional-number>
 // Unlike other SVGAnimated* class, this class is not exposed to Javascript directly,
 // while DOM attribute and SMIL animations operate on this class.
 // From Javascript, the two SVGAnimatedIntegers |firstInteger| and |secondInteger| are used.
 // For example, see SVGFEDropShadowElement::stdDeviation{X,Y}()
 class SVGAnimatedIntegerOptionalInteger : public SVGAnimatedPropertyCommon<SVGIntegerOptionalInteger> {
 public:
-    static PassRefPtr<SVGAnimatedIntegerOptionalInteger> create(SVGElement* contextElement, const QualifiedName& attributeName, float initialFirstValue = 0, float initialSecondValue = 0)
+    static PassRefPtrWillBeRawPtr<SVGAnimatedIntegerOptionalInteger> create(SVGElement* contextElement, const QualifiedName& attributeName, float initialFirstValue = 0, float initialSecondValue = 0)
     {
-        return adoptRef(new SVGAnimatedIntegerOptionalInteger(contextElement, attributeName, initialFirstValue, initialSecondValue));
+        return adoptRefWillBeNoop(new SVGAnimatedIntegerOptionalInteger(contextElement, attributeName, initialFirstValue, initialSecondValue));
     }
 
-    virtual void setAnimatedValue(PassRefPtr<SVGPropertyBase>) override;
+    virtual void setAnimatedValue(PassRefPtrWillBeRawPtr<SVGPropertyBase>) override;
     virtual bool needsSynchronizeAttribute() override;
     virtual void animationEnded() override;
 
     SVGAnimatedInteger* firstInteger() { return m_firstInteger.get(); }
     SVGAnimatedInteger* secondInteger() { return m_secondInteger.get(); }
 
+    virtual void trace(Visitor*) override;
+
 protected:
     SVGAnimatedIntegerOptionalInteger(SVGElement* contextElement, const QualifiedName& attributeName, float initialFirstValue, float initialSecondValue);
 
-    RefPtr<SVGAnimatedInteger> m_firstInteger;
-    RefPtr<SVGAnimatedInteger> m_secondInteger;
+    RefPtrWillBeMember<SVGAnimatedInteger> m_firstInteger;
+    RefPtrWillBeMember<SVGAnimatedInteger> m_secondInteger;
 };
 
 } // namespace blink
 
 #endif // SVGAnimatedIntegerOptionalInteger_h