Replace FINAL and OVERRIDE with their C++11 counterparts in Source/core/events

Source/core/events/EventFactory.h

Index: Source/core/events/EventFactory.h
diff --git a/Source/core/events/EventFactory.h b/Source/core/events/EventFactory.h
index 1dd210c450eef2ff305413f38326b87b23d3611e..6f32677f50432a332cbac750a5b16c21e86704e2 100644
--- a/Source/core/events/EventFactory.h
+++ b/Source/core/events/EventFactory.h
@@ -43,14 +43,14 @@ protected:
     EventFactoryBase() { }
 };
 
-class EventFactory FINAL : public EventFactoryBase {
+class EventFactory final : public EventFactoryBase {
 public:
     static PassOwnPtr<EventFactory> create()
     {
         return adoptPtr(new EventFactory());
     }
 
-    virtual PassRefPtrWillBeRawPtr<Event> create(const String& eventType) OVERRIDE;
+    virtual PassRefPtrWillBeRawPtr<Event> create(const String& eventType) override;
 };
 
 }