chromeos: Remove old status-area related code.

chrome/browser/ui/views/ash/chrome_shell_delegate.h

 // Copyright (c) 2012 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_UI_VIEWS_ASH_CHROME_SHELL_DELEGATE_H_
 #define CHROME_BROWSER_UI_VIEWS_ASH_CHROME_SHELL_DELEGATE_H_
 #pragma once
 
 #include "ash/launcher/launcher_types.h"
 #include "ash/shell_delegate.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
-class StatusAreaHostAura;
-class StatusAreaView;
 class WindowPositioner;
 
 namespace views {
 class View;
 }
 
 class ChromeShellDelegate : public ash::ShellDelegate,
                             public content::NotificationObserver {
  public:
   ChromeShellDelegate();
   virtual ~ChromeShellDelegate();
 
   static ChromeShellDelegate* instance() { return instance_; }
 
-  StatusAreaHostAura* status_area_host() {
-    return status_area_host_.get();
-  }
-
-  StatusAreaView* GetStatusArea();
-
   WindowPositioner* window_positioner() { return window_positioner_.get(); }
 
   // ash::ShellDelegate overrides;
-  virtual views::Widget* CreateStatusArea() OVERRIDE;
   virtual bool IsUserLoggedIn() OVERRIDE;
   virtual void LockScreen() OVERRIDE;
   virtual void UnlockScreen() OVERRIDE;
   virtual bool IsScreenLocked() const OVERRIDE;
   virtual void Exit() OVERRIDE;
   virtual void NewWindow(bool is_incognito) OVERRIDE;
   virtual ash::AppListViewDelegate* CreateAppListViewDelegate() OVERRIDE;
   virtual void StartPartialScreenshot(
       ash::ScreenshotDelegate* screenshot_delegate) OVERRIDE;
   virtual ash::LauncherDelegate* CreateLauncherDelegate(
       ash::LauncherModel* model) OVERRIDE;
   virtual ash::SystemTrayDelegate* CreateSystemTrayDelegate(
       ash::SystemTray* tray) OVERRIDE;
   virtual ash::UserWallpaperDelegate* CreateUserWallpaperDelegate() OVERRIDE;
 
   // content::NotificationObserver override:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
  private:
   static ChromeShellDelegate* instance_;
 
   content::NotificationRegistrar registrar_;
 
-  scoped_ptr<StatusAreaHostAura> status_area_host_;
   scoped_ptr<WindowPositioner> window_positioner_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeShellDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_ASH_CHROME_SHELL_DELEGATE_H_