Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/notifications/NotificationController.h

Index: Source/modules/notifications/NotificationController.h
diff --git a/Source/modules/notifications/NotificationController.h b/Source/modules/notifications/NotificationController.h
index 43e028afd796471e0319addd70a14ff56f6cad92..3f45dc23e66aff787d6a4865b4a4b316ab17e4d8 100644
--- a/Source/modules/notifications/NotificationController.h
+++ b/Source/modules/notifications/NotificationController.h
@@ -34,10 +34,10 @@ namespace WebCore {
 
 class NotificationClient;
 
-class NotificationController : public Supplement<Page> {
+class NotificationController FINAL : public Supplement<Page> {
     WTF_MAKE_NONCOPYABLE(NotificationController);
 public:
-    ~NotificationController();
+    virtual ~NotificationController();
 
     static PassOwnPtr<NotificationController> create(NotificationClient*);
     static const char* supplementName();