Remove unnecessary logic from UpdateScreen

chrome/browser/chromeos/login/startup_utils.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_LOGIN_STARTUP_UTILS_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_STARTUP_UTILS_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
 
 class PrefRegistrySimple;
 
 namespace base {
-class Time;
 class TimeDelta;
 }
 
 namespace chromeos {
 
 // Static utility methods used at startup time to get/change bits of device
 // state.
 class StartupUtils {
  public:
   // Returns true if EULA has been accepted.
@@ skipping 27 matching lines @@
 
   // Mark a device as requiring enrollment recovery.
   static void MarkEnrollmentRecoveryRequired();
 
   // Returns initial locale from local settings.
   static std::string GetInitialLocale();
 
   // Sets initial locale in local settings.
   static void SetInitialLocale(const std::string& locale);
 
-  // Saves the time of the last update check which did not result in any update.
-  static void SaveTimeOfLastUpdateCheckWithoutUpdate(base::Time time);
-
-  // Clears the update check time which was previously saved.
-  static void ClearTimeOfLastUpdateCheckWithoutUpdate();
-
-  // Returns the time of the last update check which did not lead to an update.
-  static base::Time GetTimeOfLastUpdateCheckWithoutUpdate();
-
   // Registers OOBE preferences.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_STARTUP_UTILS_H_