Oilpan: add missing tracing of SVGSMILElement condition.

third_party/WebKit/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 21 matching lines @@
 #include "core/dom/Document.h"
 #include "core/events/Event.h"
 #include "core/events/EventListener.h"
 #include "core/events/EventSender.h"
 #include "core/frame/UseCounter.h"
 #include "core/svg/SVGDocumentExtensions.h"
 #include "core/svg/SVGSVGElement.h"
 #include "core/svg/SVGURIReference.h"
 #include "core/svg/animation/SMILTimeContainer.h"
 #include "platform/FloatConversion.h"
+#include "platform/heap/Handle.h"
 #include "wtf/MathExtras.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class RepeatEvent final : public Event {
 public:
     static PassRefPtrWillBeRawPtr<RepeatEvent> create(const AtomicString& type, int repeat)
     {
@@ skipping 70 matching lines @@
     bool operator==(const EventListener& other) const override;
 
     void disconnectAnimation()
     {
         m_animation = nullptr;
     }
 
     DEFINE_INLINE_VIRTUAL_TRACE()
     {
         visitor->trace(m_animation);
+        visitor->trace(m_condition);
         EventListener::trace(visitor);
     }
 
 private:
     ConditionEventListener(SVGSMILElement* animation, SVGSMILElement::Condition* condition)
         : EventListener(ConditionEventListenerType)
         , m_animation(animation)
         , m_condition(condition)
     {
     }
 
     void handleEvent(ExecutionContext*, Event*) override;
 
     RawPtrWillBeMember<SVGSMILElement> m_animation;
-    SVGSMILElement::Condition* m_condition;
+    RawPtrWillBeMember<SVGSMILElement::Condition> m_condition;
 };
 
 bool ConditionEventListener::operator==(const EventListener& listener) const
 {
     if (const ConditionEventListener* conditionEventListener = ConditionEventListener::cast(&listener))
         return m_animation == conditionEventListener->m_animation && m_condition == conditionEventListener->m_condition;
     return false;
 }
 
 void ConditionEventListener::handleEvent(ExecutionContext*, Event* event)
@@ skipping 1204 matching lines @@
     visitor->trace(m_targetElement);
     visitor->trace(m_timeContainer);
     visitor->trace(m_conditions);
     visitor->trace(m_syncBaseDependents);
 #endif
     SVGElement::trace(visitor);
     SVGTests::trace(visitor);
 }
 
 } // namespace blink