Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
  *
  * 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
@@ skipping 584 matching lines @@
         const AtomicString& eventName = HTMLElement::eventNameForAttributeName(name);
         if (!eventName.isNull())
             setAttributeEventListener(eventName, createAttributeEventListener(this, name, value, eventParameterName()));
         else
             Element::parseAttribute(name, value);
     }
 }
 
 void SVGElement::parseAttributeNew(const QualifiedName& name, const AtomicString& value)
 {
-    RefPtr<SVGAnimatedPropertyBase> property = propertyFromAttribute(name);
+    RefPtrWillBeRawPtr<SVGAnimatedPropertyBase> property = propertyFromAttribute(name);
     if (property) {
         SVGParsingError parseError = NoError;
         property->setBaseValueAsString(value, parseError);
         reportAttributeParsingError(parseError, name, value);
 
         return;
     }
 
     SVGElement::parseAttribute(name, value);
 }
@@ skipping 67 matching lines @@
         for (size_t i = 0; i < WTF_ARRAY_LENGTH(attrToTypes); i++)
             cssPropertyMap.set(attrToTypes[i].attr, attrToTypes[i].propType);
     }
 
     if (cssPropertyMap.contains(attributeName))
         return cssPropertyMap.get(attributeName);
 
     return AnimatedUnknown;
 }
 
-void SVGElement::addToPropertyMap(PassRefPtr<SVGAnimatedPropertyBase> passProperty)
+void SVGElement::addToPropertyMap(PassRefPtrWillBeRawPtr<SVGAnimatedPropertyBase> passProperty)
 {
-    RefPtr<SVGAnimatedPropertyBase> property(passProperty);
+    RefPtrWillBeRawPtr<SVGAnimatedPropertyBase> property(passProperty);
     QualifiedName attributeName = property->attributeName();
     m_attributeToPropertyMap.set(attributeName, property.release());
 }
 
-PassRefPtr<SVGAnimatedPropertyBase> SVGElement::propertyFromAttribute(const QualifiedName& attributeName)
+PassRefPtrWillBeRawPtr<SVGAnimatedPropertyBase> SVGElement::propertyFromAttribute(const QualifiedName& attributeName)
 {
     AttributeToPropertyMap::iterator it = m_attributeToPropertyMap.find<SVGAttributeHashTranslator>(attributeName);
     if (it == m_attributeToPropertyMap.end())
         return nullptr;
 
     return it->value;
 }
 
 bool SVGElement::isAnimatableCSSProperty(const QualifiedName& attrName)
 {
@@ skipping 184 matching lines @@
     if (name == anyQName()) {
         AttributeToPropertyMap::const_iterator::Values it = m_attributeToPropertyMap.values().begin();
         AttributeToPropertyMap::const_iterator::Values end = m_attributeToPropertyMap.values().end();
         for (; it != end; ++it) {
             if ((*it)->needsSynchronizeAttribute())
                 (*it)->synchronizeAttribute();
         }
 
         elementData()->m_animatedSVGAttributesAreDirty = false;
     } else {
-        RefPtr<SVGAnimatedPropertyBase> property = m_attributeToPropertyMap.get(name);
+        RefPtrWillBeRawPtr<SVGAnimatedPropertyBase> property = m_attributeToPropertyMap.get(name);
         if (property && property->needsSynchronizeAttribute())
             property->synchronizeAttribute();
     }
 }
 
 PassRefPtr<RenderStyle> SVGElement::customStyleForRenderer()
 {
     if (!correspondingElement())
         return document().ensureStyleResolver().styleForElement(this);
 
@@ skipping 263 matching lines @@
         ASSERT(targetElement->hasSVGRareData());
         targetElement->ensureSVGRareData()->incomingReferences().remove(this);
     }
     outgoingReferences.clear();
 }
 
 void SVGElement::trace(Visitor* visitor)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_elementsWithRelativeLengths);
+    visitor->trace(m_attributeToPropertyMap);
     visitor->trace(m_SVGRareData);
+    visitor->trace(m_className);
 #endif
     Element::trace(visitor);
 }
 
 const AtomicString& SVGElement::eventParameterName()
 {
     DEFINE_STATIC_LOCAL(const AtomicString, evtString, ("evt", AtomicString::ConstructFromLiteral));
     return evtString;
 }
 
 } // namespace blink