[cros, Aura] Make screen_mode static variable in StatusAreaViewChromeos

chrome/browser/chromeos/status/accessibility_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_ACCESSIBILITY_MENU_BUTTON_H_
 #define CHROME_BROWSER_CHROMEOS_STATUS_ACCESSIBILITY_MENU_BUTTON_H_
 #pragma once
 
 #include "chrome/browser/chromeos/status/status_area_button.h"
-#include "chrome/browser/chromeos/status/status_area_view_chromeos.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "content/public/browser/notification_observer.h"
 #include "views/controls/menu/view_menu_delegate.h"
 #include "views/controls/menu/menu_delegate.h"
 
 namespace views {
 class MenuRunner;
 }
 
 namespace chromeos {
 
 class StatusAreaBubbleController;
 
 // A class for the button in the status area which alerts the user when
 // accessibility features are enabled.
 class AccessibilityMenuButton : public StatusAreaButton,
                                 public views::ViewMenuDelegate,
                                 public views::MenuDelegate,
                                 public content::NotificationObserver {
  public:
-  explicit AccessibilityMenuButton(
-      StatusAreaButton::Delegate* delegate,
-      StatusAreaViewChromeos::ScreenMode screen_mode);
+  explicit AccessibilityMenuButton(StatusAreaButton::Delegate* delegate);
   virtual ~AccessibilityMenuButton();
 
   // views::ViewMenuDelegate implementation
   virtual void RunMenu(views::View* source, const gfx::Point& pt) OVERRIDE;
 
   // views::MenuDelegate implementation
   virtual void ExecuteCommand(int id) OVERRIDE;
 
   // content::NotificationObserver implementation
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
  private:
   // Updates the state along with the preferences.
   void Update();
 
   // Prepares menu before showing it.
   void PrepareMenu();
 
-  StatusAreaViewChromeos::ScreenMode screen_mode_;
-
   // An object synced to the preference, representing if accessibility feature
   // is enabled or not.
   BooleanPrefMember accessibility_enabled_;
   // An object to show menu.
   scoped_ptr<views::MenuRunner> menu_runner_;
   // The currently showing bubble controller.
   scoped_ptr<StatusAreaBubbleController> bubble_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(AccessibilityMenuButton);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_STATUS_ACCESSIBILITY_MENU_BUTTON_H_