Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGStaticStringList.cpp

 /*
  * 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/svg/SVGStaticStringList.h"
 
+#include "core/svg/SVGElement.h"
+
 namespace blink {
 
 SVGStaticStringList::SVGStaticStringList(SVGElement* contextElement, const QualifiedName& attributeName)
     : SVGAnimatedPropertyBase(AnimatedUnknown, contextElement, attributeName)
     , m_value(SVGStringList::create())
 {
     ASSERT(contextElement);
 }
 
 SVGStaticStringList::~SVGStaticStringList()
 {
 }
 
+void SVGStaticStringList::trace(Visitor* visitor)
+{
+    visitor->trace(m_value);
+    visitor->trace(m_tearOff);
+    SVGAnimatedPropertyBase::trace(visitor);
+}
+
 SVGPropertyBase* SVGStaticStringList::currentValueBase()
 {
     return m_value.get();
 }
 
 bool SVGStaticStringList::isAnimating() const
 {
     return false;
 }
 
-PassRefPtr<SVGPropertyBase> SVGStaticStringList::createAnimatedValue()
+PassRefPtrWillBeRawPtr<SVGPropertyBase> SVGStaticStringList::createAnimatedValue()
 {
     ASSERT_NOT_REACHED();
     return nullptr;
 }
 
-void SVGStaticStringList::setAnimatedValue(PassRefPtr<SVGPropertyBase>)
+void SVGStaticStringList::setAnimatedValue(PassRefPtrWillBeRawPtr<SVGPropertyBase>)
 {
     ASSERT_NOT_REACHED();
 }
 
 void SVGStaticStringList::animationEnded()
 {
     ASSERT_NOT_REACHED();
 }
 
 bool SVGStaticStringList::needsSynchronizeAttribute()
@@ skipping 13 matching lines @@
 {
     TrackExceptionState es;
 
     m_value->setValueAsString(value, es);
 
     if (es.hadException())
         parseError = ParsingAttributeFailedError;
 }
 
 }