Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGLengthTearOff.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 37 matching lines @@
         SVG_LENGTHTYPE_EMS = LengthTypeEMS,
         SVG_LENGTHTYPE_EXS = LengthTypeEXS,
         SVG_LENGTHTYPE_PX = LengthTypePX,
         SVG_LENGTHTYPE_CM = LengthTypeCM,
         SVG_LENGTHTYPE_MM = LengthTypeMM,
         SVG_LENGTHTYPE_IN = LengthTypeIN,
         SVG_LENGTHTYPE_PT = LengthTypePT,
         SVG_LENGTHTYPE_PC = LengthTypePC
     };
 
-    static PassRefPtr<SVGLengthTearOff> create(PassRefPtr<SVGLength> target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName = QualifiedName::null())
+    static PassRefPtrWillBeRawPtr<SVGLengthTearOff> create(PassRefPtrWillBeRawPtr<SVGLength> target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName = QualifiedName::null())
     {
-        return adoptRef(new SVGLengthTearOff(target, contextElement, propertyIsAnimVal, attributeName));
+        return adoptRefWillBeNoop(new SVGLengthTearOff(target, contextElement, propertyIsAnimVal, attributeName));
     }
 
     SVGLengthType unitType();
     SVGLengthMode unitMode();
     float value(ExceptionState&);
     void setValue(float value, ExceptionState&);
     float valueInSpecifiedUnits();
     void setValueInSpecifiedUnits(float value, ExceptionState&);
     String valueAsString();
     void setValueAsString(const String&, ExceptionState&);
     void newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits, ExceptionState&);
     void convertToSpecifiedUnits(unsigned short unitType, ExceptionState&);
 
 private:
-    SVGLengthTearOff(PassRefPtr<SVGLength>, SVGElement* contextElement, PropertyIsAnimValType, const QualifiedName& attributeName = QualifiedName::null());
+    SVGLengthTearOff(PassRefPtrWillBeRawPtr<SVGLength>, SVGElement* contextElement, PropertyIsAnimValType, const QualifiedName& attributeName = QualifiedName::null());
 };
 
 } // namespace blink
 
 #endif // SVGLengthTearOff_h