Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGFEMorphologyElement.cpp

 /*
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.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 31 matching lines @@
     : SVGFilterPrimitiveStandardAttributes(SVGNames::feMorphologyTag, document)
     , m_radius(SVGAnimatedNumberOptionalNumber::create(this, SVGNames::radiusAttr))
     , m_in1(SVGAnimatedString::create(this, SVGNames::inAttr, SVGString::create()))
     , m_svgOperator(SVGAnimatedEnumeration<MorphologyOperatorType>::create(this, SVGNames::operatorAttr, FEMORPHOLOGY_OPERATOR_ERODE))
 {
     addToPropertyMap(m_radius);
     addToPropertyMap(m_in1);
     addToPropertyMap(m_svgOperator);
 }
 
+void SVGFEMorphologyElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_radius);
+    visitor->trace(m_in1);
+    visitor->trace(m_svgOperator);
+    SVGFilterPrimitiveStandardAttributes::trace(visitor);
+}
+
 DEFINE_NODE_FACTORY(SVGFEMorphologyElement)
 
 bool SVGFEMorphologyElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
         supportedAttributes.add(SVGNames::inAttr);
         supportedAttributes.add(SVGNames::operatorAttr);
         supportedAttributes.add(SVGNames::radiusAttr);
     }
@@ skipping 36 matching lines @@
     }
 
     if (attrName == SVGNames::inAttr) {
         invalidate();
         return;
     }
 
     ASSERT_NOT_REACHED();
 }
 
-PassRefPtr<FilterEffect> SVGFEMorphologyElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
+PassRefPtrWillBeRawPtr<FilterEffect> SVGFEMorphologyElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
 {
     FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(m_in1->currentValue()->value()));
     float xRadius = radiusX()->currentValue()->value();
     float yRadius = radiusY()->currentValue()->value();
 
     if (!input1)
         return nullptr;
 
     if (xRadius < 0 || yRadius < 0)
         return nullptr;
 
-    RefPtr<FilterEffect> effect = FEMorphology::create(filter, m_svgOperator->currentValue()->enumValue(), xRadius, yRadius);
+    RefPtrWillBeRawPtr<FilterEffect> effect = FEMorphology::create(filter, m_svgOperator->currentValue()->enumValue(), xRadius, yRadius);
     effect->inputEffects().append(input1);
     return effect.release();
 }
 
 } // namespace blink