Oilpan: Make the Node hierarchy RefCountedGarbageCollected instead of TreeShared.

Source/core/svg/animation/SVGSMILElement.cpp

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 151 matching lines @@
     , m_baseID(baseID)
     , m_name(name)
     , m_offset(offset)
     , m_repeat(repeat)
 {
 }
 
 SVGSMILElement::SVGSMILElement(const QualifiedName& tagName, Document& doc)
     : SVGElement(tagName, doc)
     , m_attributeName(anyQName())
-    , m_targetElement(0)
+    , m_targetElement(nullptr)
     , m_syncBaseConditionsConnected(false)
     , m_hasEndEventConditions(false)
     , m_isWaitingForFirstInterval(true)
     , m_intervalBegin(SMILTime::unresolved())
     , m_intervalEnd(SMILTime::unresolved())
     , m_previousIntervalBegin(SMILTime::unresolved())
     , m_activeState(Inactive)
     , m_lastPercent(0)
     , m_lastRepeat(0)
     , m_nextProgressTime(0)
     , m_documentOrderIndex(0)
     , m_cachedDur(invalidCachedTime)
     , m_cachedRepeatDur(invalidCachedTime)
     , m_cachedRepeatCount(invalidCachedTime)
     , m_cachedMin(invalidCachedTime)
     , m_cachedMax(invalidCachedTime)
 {
     resolveFirstInterval();
 }
 
 SVGSMILElement::~SVGSMILElement()
 {
 #if !ENABLE(OILPAN)
     clearResourceAndEventBaseReferences();
 #endif
     smilEndEventSender().cancelEvent(this);
     smilBeginEventSender().cancelEvent(this);
     smilRepeatEventSender().cancelEvent(this);
     smilRepeatNEventSender().cancelEvent(this);
+#if !ENABLE(OILPAN)
     clearConditions();
     if (m_timeContainer && m_targetElement && hasValidAttributeName())
         m_timeContainer->unschedule(this, m_targetElement, m_attributeName);
+#endif
 }
 
 void SVGSMILElement::clearResourceAndEventBaseReferences()
 {
     document().accessSVGExtensions().removeAllTargetReferencesForElement(this);
 }
 
 void SVGSMILElement::clearConditions()
 {
     disconnectSyncBaseConditions();
@@ skipping 1108 matching lines @@
     const AtomicString& eventType = eventSender->eventType();
     if (eventType == "repeatn") {
         unsigned repeatEventCount = m_repeatEventCountList.first();
         m_repeatEventCountList.remove(0);
         dispatchEvent(RepeatEvent::create(eventType, repeatEventCount));
     } else {
         dispatchEvent(Event::create(eventType));
     }
 }
 
+void SVGSMILElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_targetElement);
+    SVGElement::trace(visitor);
 }
+
+}