Change SimulatedMouseEvent's adoptRef() to adoptRefWillBeRefCountedGarbageCollected()

Source/core/events/MouseEvent.cpp

Index: Source/core/events/MouseEvent.cpp
diff --git a/Source/core/events/MouseEvent.cpp b/Source/core/events/MouseEvent.cpp
index 301be3174d3a27dba9234fdacd24d2aa355a0408..9bbdf3e2668b56b4b7fecf2617e88203bbd7236c 100644
--- a/Source/core/events/MouseEvent.cpp
+++ b/Source/core/events/MouseEvent.cpp
@@ -196,9 +196,9 @@ void MouseEvent::trace(Visitor* visitor)
     MouseRelatedEvent::trace(visitor);
 }
 
-PassRefPtr<SimulatedMouseEvent> SimulatedMouseEvent::create(const AtomicString& eventType, PassRefPtrWillBeRawPtr<AbstractView> view, PassRefPtr<Event> underlyingEvent)
+PassRefPtrWillBeRawPtr<SimulatedMouseEvent> SimulatedMouseEvent::create(const AtomicString& eventType, PassRefPtrWillBeRawPtr<AbstractView> view, PassRefPtr<Event> underlyingEvent)
 {
-    return adoptRef(new SimulatedMouseEvent(eventType, view, underlyingEvent));
+    return adoptRefWillBeRefCountedGarbageCollected(new SimulatedMouseEvent(eventType, view, underlyingEvent));
 }
 
 SimulatedMouseEvent::~SimulatedMouseEvent()