Convert raw pointer to PassOwnPtr for EventFactoryBase

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 02613ffb62168ff2fce5286458324ac3915ce6b6..80516f7ebdf0216048199be1008093e544af6a04 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -3915,9 +3915,9 @@ Document::EventFactorySet& Document::eventFactories()
     return s_eventFactory;
 }
 
-void Document::registerEventFactory(EventFactoryBase* eventFactory)
+void Document::registerEventFactory(PassOwnPtr<EventFactoryBase> eventFactory)
 {
-    ASSERT(!eventFactories().contains(eventFactory));
+    ASSERT(!eventFactories().contains(eventFactory.get()));
     eventFactories().add(eventFactory);
 }