Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGFEDropShadowElement.cpp

 /*
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * 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 24 matching lines @@
     , m_dy(SVGAnimatedNumber::create(this, SVGNames::dyAttr, SVGNumber::create(2)))
     , m_stdDeviation(SVGAnimatedNumberOptionalNumber::create(this, SVGNames::stdDeviationAttr, 2, 2))
     , m_in1(SVGAnimatedString::create(this, SVGNames::inAttr, SVGString::create()))
 {
     addToPropertyMap(m_dx);
     addToPropertyMap(m_dy);
     addToPropertyMap(m_stdDeviation);
     addToPropertyMap(m_in1);
 }
 
+void SVGFEDropShadowElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_dx);
+    visitor->trace(m_dy);
+    visitor->trace(m_stdDeviation);
+    visitor->trace(m_in1);
+    SVGFilterPrimitiveStandardAttributes::trace(visitor);
+}
+
 DEFINE_NODE_FACTORY(SVGFEDropShadowElement)
 
 void SVGFEDropShadowElement::setStdDeviation(float x, float y)
 {
     stdDeviationX()->baseValue()->setValue(x);
     stdDeviationY()->baseValue()->setValue(y);
     invalidate();
 }
 
 bool SVGFEDropShadowElement::isSupportedAttribute(const QualifiedName& attrName)
@@ skipping 26 matching lines @@
         || attrName == SVGNames::stdDeviationAttr
         || attrName == SVGNames::dxAttr
         || attrName == SVGNames::dyAttr) {
         invalidate();
         return;
     }
 
     ASSERT_NOT_REACHED();
 }
 
-PassRefPtr<FilterEffect> SVGFEDropShadowElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
+PassRefPtrWillBeRawPtr<FilterEffect> SVGFEDropShadowElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
 {
     RenderObject* renderer = this->renderer();
     if (!renderer)
         return nullptr;
 
     if (stdDeviationX()->currentValue()->value() < 0 || stdDeviationY()->currentValue()->value() < 0)
         return nullptr;
 
     ASSERT(renderer->style());
     const SVGRenderStyle& svgStyle = renderer->style()->svgStyle();
 
     Color color = svgStyle.floodColor();
     float opacity = svgStyle.floodOpacity();
 
     FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(m_in1->currentValue()->value()));
     if (!input1)
         return nullptr;
 
-    RefPtr<FilterEffect> effect = FEDropShadow::create(filter, stdDeviationX()->currentValue()->value(), stdDeviationY()->currentValue()->value(), m_dx->currentValue()->value(), m_dy->currentValue()->value(), color, opacity);
+    RefPtrWillBeRawPtr<FilterEffect> effect = FEDropShadow::create(filter, stdDeviationX()->currentValue()->value(), stdDeviationY()->currentValue()->value(), m_dx->currentValue()->value(), m_dy->currentValue()->value(), color, opacity);
     effect->inputEffects().append(input1);
     return effect.release();
 }
 
 } // namespace blink