It is time.

ui/views/controls/menu/menu_controller_delegate.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef UI_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_DELEGATE_H_
-#define UI_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_DELEGATE_H_
-
-namespace views {
-
-class MenuItemView;
-
-// This is internal as there should be no need for usage of this class outside
-// of views.
-namespace internal {
-
-// Used by MenuController to notify of interesting events that are intended for
-// the class using MenuController. This is implemented by MenuRunnerImpl.
-class MenuControllerDelegate {
- public:
-  enum NotifyType {
-    NOTIFY_DELEGATE,
-    DONT_NOTIFY_DELEGATE
-  };
-
-  // Invoked when MenuController closes a menu and the MenuController was
-  // configured for drop (MenuRunner::FOR_DROP).
-  virtual void DropMenuClosed(NotifyType type, MenuItemView* menu) = 0;
-
-  // Invoked when the MenuDelegate::GetSiblingMenu() returns non-NULL.
-  virtual void SiblingMenuCreated(MenuItemView* menu) = 0;
-
- protected:
-  virtual ~MenuControllerDelegate() {}
-};
-
-}  // namespace internal
-
-}  // namespace view
-
-#endif  // UI_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_DELEGATE_H_