Change status button menu implementation from Menu2 to MenuItemView.

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/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
 #include "chrome/browser/chromeos/cros/power_library.h"
 #include "chrome/browser/chromeos/cros/system_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/notification_observer.h"
 #include "content/common/notification_type.h"
 #include "unicode/calendar.h"
 #include "views/controls/button/menu_button.h"
-#include "views/controls/menu/menu_2.h"
+#include "views/controls/menu/menu_delegate.h"
 #include "views/controls/menu/view_menu_delegate.h"
 
 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,
                         public views::ViewMenuDelegate,
-                        public ui::MenuModel,
                         public NotificationObserver,
                         public PowerLibrary::Observer,
                         public SystemLibrary::Observer {
  public:
   explicit ClockMenuButton(StatusAreaHost* host);
   virtual ~ClockMenuButton();
 
-  // ui::MenuModel implementation.
-  virtual bool HasIcons() const  { return false; }
-  virtual int GetItemCount() const;
-  virtual ui::MenuModel::ItemType GetTypeAt(int index) const;
-  virtual int GetCommandIdAt(int index) const { return index; }
-  virtual string16 GetLabelAt(int index) const;
-  virtual bool IsItemDynamicAt(int index) const { return true; }
-  virtual bool GetAcceleratorAt(int index,
-      ui::Accelerator* accelerator) const { return false; }
-  virtual bool IsItemCheckedAt(int index) const { return false; }
-  virtual int GetGroupIdAt(int index) const { return 0; }
-  virtual bool GetIconAt(int index, SkBitmap* icon) { return false; }
-  virtual ui::ButtonMenuItemModel* GetButtonMenuItemAt(int index) const {
-    return NULL;
-  }
-  virtual bool IsEnabledAt(int index) const;
-  virtual ui::MenuModel* GetSubmenuModelAt(int index) const { return NULL; }
-  virtual void HighlightChangedTo(int index) {}
-  virtual void ActivatedAt(int index);
-  virtual void MenuWillShow() {}
-  virtual void SetMenuModelDelegate(ui::MenuModelDelegate* delegate) {}
+  // views::MenuDelegate implementation
+  virtual std::wstring GetLabel(int id) const OVERRIDE;
+  virtual bool IsCommandEnabled(int id) const OVERRIDE;
+  virtual void ExecuteCommand(int id) OVERRIDE;
 
   // Overridden from ResumeLibrary::Observer:
   virtual void PowerChanged(PowerLibrary* obj) {}
   virtual void SystemResumed();
 
   // Overridden from SystemLibrary::Observer:
   virtual void TimezoneChanged(const icu::TimeZone& timezone);
 
   // views::View
   virtual void OnLocaleChanged() OVERRIDE;
 
   // Updates the time on the menu button. Can be called by host if timezone
   // changes.
   void UpdateText();
 
   // NotificationObserver implementation.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
  protected:
   virtual int horizontal_padding() { return 3; }
 
  private:
   // views::ViewMenuDelegate implementation.
   virtual void RunMenu(views::View* source, const gfx::Point& pt);
 
+  // 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::Menu2> clock_menu_;
+  scoped_ptr<views::MenuItemView> menu_;
 
   StatusAreaHost* host_;
 
   PrefChangeRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ClockMenuButton);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_STATUS_CLOCK_MENU_BUTTON_H_