Integrate Kiosk Mode with enterprise policies.

chrome/browser/chromeos/kiosk_mode/kiosk_mode_helper.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_KIOSK_MODE_KIOSK_MODE_HELPER_H_
-#define CHROME_BROWSER_CHROMEOS_KIOSK_MODE_KIOSK_MODE_HELPER_H_
-#pragma once
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/callback_forward.h"
-
-namespace base {
-template <typename T> struct DefaultLazyInstanceTraits;
-}
-
-// This class centralizes all our code to get KioskMode settings; since
-// KioskMode interferes with normal operations all over Chrome, having all
-// data about it pulled from a central location would make future
-// refactorings easier. This class also handles getting trust for the policies
-// via it's init method.
-//
-// Note: If Initialize is not called before the various Getters, we'll return
-// invalid values.
-//
-// TODO(rkc): Once the enterprise policy side of this code is checked in, add
-// code to pull from the enterprise policy instead of flags and constants.
-namespace chromeos {
-
-class KioskModeHelper {
- public:
-  // This method checks if Kiosk Mode is enabled or not.
-  static bool IsKioskModeEnabled();
-
-  static KioskModeHelper* Get();
-
-  // Initialize the settings helper; this will wait till trust is established
-  // for the enterprise policies then call the callback to notify the caller.
-  void Initialize(const base::Closure& notify_initialized);
-  bool is_initialized() const { return is_initialized_; }
-
-  // The path to the screensaver extension.
-  std::string GetScreensaverPath() const;
-  // The timeout before which we'll start showing the screensaver.
-  int64 GetScreensaverTimeout() const;
-  // The time to logout the user in on idle.
-  int64 GetIdleLogoutTimeout() const;
-  // The time to show the countdown timer for.
-  int64 GetIdleLogoutWarningTimeout() const;
-
- private:
-  friend struct base::DefaultLazyInstanceTraits<KioskModeHelper>;
-  KioskModeHelper();
-
-  bool is_initialized_;
-
-  DISALLOW_COPY_AND_ASSIGN(KioskModeHelper);
-};
-
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_KIOSK_MODE_KIOSK_MODE_HELPER_H_