Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGFEColorMatrixElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.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,
@@ skipping 33 matching lines @@
     : SVGFilterPrimitiveStandardAttributes(SVGNames::feColorMatrixTag, document)
     , m_values(SVGAnimatedNumberList::create(this, SVGNames::valuesAttr, SVGNumberList::create()))
     , m_in1(SVGAnimatedString::create(this, SVGNames::inAttr, SVGString::create()))
     , m_type(SVGAnimatedEnumeration<ColorMatrixType>::create(this, SVGNames::typeAttr, FECOLORMATRIX_TYPE_MATRIX))
 {
     addToPropertyMap(m_values);
     addToPropertyMap(m_in1);
     addToPropertyMap(m_type);
 }
 
+void SVGFEColorMatrixElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_values);
+    visitor->trace(m_in1);
+    visitor->trace(m_type);
+    SVGFilterPrimitiveStandardAttributes::trace(visitor);
+}
+
 DEFINE_NODE_FACTORY(SVGFEColorMatrixElement)
 
 bool SVGFEColorMatrixElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
         supportedAttributes.add(SVGNames::typeAttr);
         supportedAttributes.add(SVGNames::valuesAttr);
         supportedAttributes.add(SVGNames::inAttr);
     }
@@ skipping 32 matching lines @@
     }
 
     if (attrName == SVGNames::inAttr) {
         invalidate();
         return;
     }
 
     ASSERT_NOT_REACHED();
 }
 
-PassRefPtr<FilterEffect> SVGFEColorMatrixElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
+PassRefPtrWillBeRawPtr<FilterEffect> SVGFEColorMatrixElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
 {
     FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(m_in1->currentValue()->value()));
 
     if (!input1)
         return nullptr;
 
     Vector<float> filterValues;
     ColorMatrixType filterType = m_type->currentValue()->enumValue();
 
     // Use defaults if values is empty (SVG 1.1 15.10).
     if (!hasAttribute(SVGNames::valuesAttr)) {
         switch (filterType) {
         case FECOLORMATRIX_TYPE_MATRIX:
             for (size_t i = 0; i < 20; i++)
                 filterValues.append((i % 6) ? 0 : 1);
             break;
         case FECOLORMATRIX_TYPE_HUEROTATE:
             filterValues.append(0);
             break;
         case FECOLORMATRIX_TYPE_SATURATE:
             filterValues.append(1);
             break;
         default:
             break;
         }
     } else {
-        RefPtr<SVGNumberList> values = m_values->currentValue();
+        RefPtrWillBeRawPtr<SVGNumberList> values = m_values->currentValue();
         size_t size = values->length();
 
         if ((filterType == FECOLORMATRIX_TYPE_MATRIX && size != 20)
             || (filterType == FECOLORMATRIX_TYPE_HUEROTATE && size != 1)
             || (filterType == FECOLORMATRIX_TYPE_SATURATE && size != 1))
             return nullptr;
 
         filterValues = values->toFloatVector();
     }
 
-    RefPtr<FilterEffect> effect = FEColorMatrix::create(filter, filterType, filterValues);
+    RefPtrWillBeRawPtr<FilterEffect> effect = FEColorMatrix::create(filter, filterType, filterValues);
     effect->inputEffects().append(input1);
     return effect.release();
 }
 
 } // namespace blink