replace OVERRIDE and FINAL with override and final in chrome/browser/ui/[t-v]*

chrome/browser/ui/tab_modal_confirm_dialog_delegate.h

Index: chrome/browser/ui/tab_modal_confirm_dialog_delegate.h
diff --git a/chrome/browser/ui/tab_modal_confirm_dialog_delegate.h b/chrome/browser/ui/tab_modal_confirm_dialog_delegate.h
index 9be52db51bea9eb49ddc3e20365c67c72a6a1b8a..b2f88a8b72782a27d05795a9db4c46c08812f216 100644
--- a/chrome/browser/ui/tab_modal_confirm_dialog_delegate.h
+++ b/chrome/browser/ui/tab_modal_confirm_dialog_delegate.h
@@ -101,7 +101,7 @@ class TabModalConfirmDialogDelegate : public content::NotificationObserver {
   // Watch for a new load or a closed tab and dismiss the dialog if they occur.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
+                       const content::NotificationDetails& details) override;
 
   content::NotificationRegistrar registrar_;