Convert raw pointer to PassOwnPtr for EventFactoryBase

Source/modules/EventModulesFactory.h

Index: Source/modules/EventModulesFactory.h
diff --git a/Source/modules/EventModulesFactory.h b/Source/modules/EventModulesFactory.h
index 61e7b2ad9f8a257bab44ed21d853f0a353574dd3..b1b7d34850e6ff693c2a9335d3098213d84fb8f5 100644
--- a/Source/modules/EventModulesFactory.h
+++ b/Source/modules/EventModulesFactory.h
@@ -14,8 +14,13 @@ namespace WebCore {
 
 class Event;
 
-class EventModulesFactory : public EventFactoryBase {
+class EventModulesFactory FINAL : public EventFactoryBase {
 public:
+    static PassOwnPtr<EventModulesFactory> create()
+    {
+        return adoptPtr(new EventModulesFactory());
+    }
+
     virtual PassRefPtrWillBeRawPtr<Event> create(const String& eventType) OVERRIDE;
 };