replace OVERRIDE and FINAL with override and final in extensions/

extensions/test/result_catcher.h

Index: extensions/test/result_catcher.h
diff --git a/extensions/test/result_catcher.h b/extensions/test/result_catcher.h
index f389f85bc55773804487f4389a9d76bdba3e5a05..f0407fe1e4cfa1d309bdd69b273c651b88f8f034 100644
--- a/extensions/test/result_catcher.h
+++ b/extensions/test/result_catcher.h
@@ -42,7 +42,7 @@ class ResultCatcher : public content::NotificationObserver {
   // content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
+                       const content::NotificationDetails& details) override;
 
   content::NotificationRegistrar registrar_;