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

Source/core/events/RelatedEvent.h

Index: Source/core/events/RelatedEvent.h
diff --git a/Source/core/events/RelatedEvent.h b/Source/core/events/RelatedEvent.h
index b2192b60cc6c5c4eaf5843913e883f2141cbb197..73ca8044f8f4b744afab27e80469002287cda6ec 100644
--- a/Source/core/events/RelatedEvent.h
+++ b/Source/core/events/RelatedEvent.h
@@ -14,7 +14,7 @@ struct RelatedEventInit : public EventInit {
     RefPtrWillBeMember<EventTarget> relatedTarget;
 };
 
-class RelatedEvent FINAL : public Event {
+class RelatedEvent final : public Event {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<RelatedEvent> create();
@@ -25,10 +25,10 @@ public:
 
     EventTarget* relatedTarget() const { return m_relatedTarget.get(); }
 
-    virtual const AtomicString& interfaceName() const OVERRIDE { return EventNames::RelatedEvent; }
-    virtual bool isRelatedEvent() const OVERRIDE { return true; }
+    virtual const AtomicString& interfaceName() const override { return EventNames::RelatedEvent; }
+    virtual bool isRelatedEvent() const override { return true; }
 
-    virtual void trace(Visitor*) OVERRIDE;
+    virtual void trace(Visitor*) override;
 
 private:
     RelatedEvent();