Added browser test for the OOBE update screen....

chrome/browser/chromeos/login/update_screen.h

 // Copyright (c) 2010 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_LOGIN_UPDATE_SCREEN_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_UPDATE_SCREEN_H_
 #pragma once
 
 #include "base/timer.h"
 #include "chrome/browser/chromeos/cros/update_library.h"
@@ skipping 23 matching lines @@
   // Overridden from UpdateController:
   virtual void StartUpdate();
   virtual void CancelUpdate();
 
   // Reports update results to the ScreenObserver.
   virtual void ExitUpdate();
 
   // Returns true if minimal update time has elapsed.
   virtual bool MinimalUpdateTimeElapsed();
 
+  // Minimal update time get/set, in seconds.
+  int minimal_update_time() const { return minimal_update_time_; }
+  void SetMinimalUpdateTime(int seconds);
+
+  // Reboot check delay get/set, in seconds.
+  int reboot_check_delay() const { return reboot_check_delay_; }
+  void SetRebootCheckDelay(int seconds);
+
  private:
   // Timer notification handlers.
   void OnMinimalUpdateTimeElapsed();
   void OnWaitForRebootTimeElapsed();
 
   // Timer for the minimal interval when update screen is shown.
   base::OneShotTimer<UpdateScreen> minimal_update_time_timer_;
 
   // Timer for the interval to wait for the reboot.
   // If reboot didn't happen - ask user to reboot manually.
   base::OneShotTimer<UpdateScreen> reboot_timer_;
 
   // True if should proceed with OOBE once timer is elapsed.
   bool proceed_with_oobe_;
 
   // True if in the process of checking for update.
   bool checking_for_update_;
 
+  // Minimal update delay in seconds, for a user to notice
+  // check for update is taking place.
+  int minimal_update_time_;
+
+  // Time in seconds after which we decide that the device has not rebooted
+  // automatically. If reboot didn't happen durin this interval, ask user to
+  // reboot device manually.
+  int reboot_check_delay_;
+
   DISALLOW_COPY_AND_ASSIGN(UpdateScreen);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_UPDATE_SCREEN_H_