Moves ownership of MenuItemView to MenuRunner as well as responbility

chrome/browser/chromeos/status/clock_menu_button.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 CHROME_BROWSER_CHROMEOS_STATUS_CLOCK_MENU_BUTTON_H_
 #define CHROME_BROWSER_CHROMEOS_STATUS_CLOCK_MENU_BUTTON_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
 #include "chrome/browser/chromeos/cros/power_library.h"
 #include "chrome/browser/chromeos/status/status_area_button.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "content/common/content_notification_types.h"
 #include "content/common/notification_observer.h"
 #include "chrome/browser/chromeos/system/timezone_settings.h"
 #include "unicode/calendar.h"
 #include "views/controls/button/menu_button.h"
 #include "views/controls/menu/menu_delegate.h"
 #include "views/controls/menu/view_menu_delegate.h"
 
 namespace views {
-class MenuItemView;
+class MenuRunner;
 }
 
 namespace chromeos {
 
 class StatusAreaHost;
 
 // The clock menu button in the status area.
 // This button shows the current time.
 class ClockMenuButton : public StatusAreaButton,
                         public views::MenuDelegate,
@@ skipping 38 matching lines @@
 
   // Create and initialize menu if not already present.
   void EnsureMenu();
 
   // Updates text and schedules the timer to fire at the next minute interval.
   void UpdateTextAndSetNextTimer();
 
   base::OneShotTimer<ClockMenuButton> timer_;
 
   // The clock menu.
-  // NOTE: we use a scoped_ptr here as menu calls into 'this' from the
-  // constructor.
-  scoped_ptr<views::MenuItemView> menu_;
+  scoped_ptr<views::MenuRunner> menu_runner_;
 
   PrefChangeRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ClockMenuButton);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_STATUS_CLOCK_MENU_BUTTON_H_