Oilpan: Move the EventListener hierarchy to Oilpan's heap

Source/core/events/EventTarget.cpp

Index: Source/core/events/EventTarget.cpp
diff --git a/Source/core/events/EventTarget.cpp b/Source/core/events/EventTarget.cpp
index 09bccffcb2549d8974a6d940984cf832bbca5c7f..1f0c074fe6d878d059e1703435efc7970252d1ab 100644
--- a/Source/core/events/EventTarget.cpp
+++ b/Source/core/events/EventTarget.cpp
@@ -87,7 +87,7 @@ inline LocalDOMWindow* EventTarget::executingWindow()
     return 0;
 }
 
-bool EventTarget::addEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener, bool useCapture)
+bool EventTarget::addEventListener(const AtomicString& eventType, PassRefPtrWillBeRawPtr<EventListener> listener, bool useCapture)
 {
     if (!listener)
         return false;
@@ -103,7 +103,7 @@ bool EventTarget::addEventListener(const AtomicString& eventType, PassRefPtr<Eve
     return ensureEventTargetData().eventListenerMap.add(eventType, listener, useCapture);
 }
 
-bool EventTarget::removeEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener, bool useCapture)
+bool EventTarget::removeEventListener(const AtomicString& eventType, PassRefPtrWillBeRawPtr<EventListener> listener, bool useCapture)
 {
     if (!listener)
         return false;
@@ -137,7 +137,7 @@ bool EventTarget::removeEventListener(const AtomicString& eventType, PassRefPtr<
     return true;
 }
 
-bool EventTarget::setAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener)
+bool EventTarget::setAttributeEventListener(const AtomicString& eventType, PassRefPtrWillBeRawPtr<EventListener> listener)
 {
     clearAttributeEventListener(eventType);
     if (!listener)