chromeos: Remove old status-area related code.

chrome/browser/chromeos/status/status_area_view_chromeos.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_CHROMEOS_STATUS_STATUS_AREA_VIEW_CHROMEOS_H_
-#define CHROME_BROWSER_CHROMEOS_STATUS_STATUS_AREA_VIEW_CHROMEOS_H_
-#pragma once
-
-#include "chrome/browser/chromeos/status/status_area_view.h"
-
-#include "chrome/browser/chromeos/system/timezone_settings.h"
-#include "chrome/browser/chromeos/view_ids.h"
-#include "chromeos/dbus/power_manager_client.h"
-
-class ClockMenuButton;
-
-namespace chromeos {
-
-class StatusAreaViewChromeos : public StatusAreaView,
-                               public PowerManagerClient::Observer,
-                               public system::TimezoneSettings::Observer {
- public:
-  // The type of screen the host window is on.
-  enum ScreenMode {
-    LOGIN_MODE_WEBUI,    // The host is for the WebUI OOBE/login screens.
-    BROWSER_MODE,        // The host is for browser.
-    SCREEN_LOCKER_MODE,  // The host is for screen locker.
-  };
-
-  // True if the browser is visible (i.e. not login/OOBE).
-  static bool IsBrowserMode();
-
-  // True if not logged in into user session (i.e. login/OOBE).
-  // It's not always !IsBrowserMode() as there's SCREEN_LOCKER_MODE which
-  // is inside user session, using login host and browser is not available.
-  static bool IsLoginMode();
-
-  // True if user is logged in but browser session is not available
-  // as screen lock is active.
-  static bool IsScreenLockMode();
-
-  // Sets current screen mode.
-  static void SetScreenMode(ScreenMode mode);
-
-  explicit StatusAreaViewChromeos();
-  virtual ~StatusAreaViewChromeos();
-
-  void Init(StatusAreaButton::Delegate* delegate);
-
-  // PowerManagerClient::Observer:
-  virtual void SystemResumed() OVERRIDE;
-
-  // TimezoneSettings::Observer:
-  virtual void TimezoneChanged(const icu::TimeZone& timezone) OVERRIDE;
-
-  // Convenience function to add buttons to a status area for ChromeOS.
-  // |clock_button| (if non-NULL) is set to the ClockMenuButton that is created
-  // by this method.
-  static void AddChromeosButtons(StatusAreaView* status_area,
-                                 StatusAreaButton::Delegate* delegate,
-                                 ClockMenuButton** clock_button);
-
- private:
-  // Current screen mode of the status area.
-  static ScreenMode screen_mode_;
-
-  void UpdateClockText();
-
-  DISALLOW_COPY_AND_ASSIGN(StatusAreaViewChromeos);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_STATUS_STATUS_AREA_VIEW_CHROMEOS_H_