Fix virtual/override/final usage in Source/modules/.

Source/modules/EventModulesFactory.h

Index: Source/modules/EventModulesFactory.h
diff --git a/Source/modules/EventModulesFactory.h b/Source/modules/EventModulesFactory.h
index 24d79fc46113f72d7ac28d4e5a42a77f7e258811..7dc49f1ee343eb3f44159608f572e94745aaba36 100644
--- a/Source/modules/EventModulesFactory.h
+++ b/Source/modules/EventModulesFactory.h
@@ -21,7 +21,7 @@ public:
         return adoptPtr(new EventModulesFactory());
     }
 
-    virtual PassRefPtrWillBeRawPtr<Event> create(const String& eventType) override;
+    PassRefPtrWillBeRawPtr<Event> create(const String& eventType) override;
 };
 
 }