Remove unnecessary logic from UpdateScreen

chrome/browser/chromeos/login/startup_utils.h

Index: chrome/browser/chromeos/login/startup_utils.h
diff --git a/chrome/browser/chromeos/login/startup_utils.h b/chrome/browser/chromeos/login/startup_utils.h
index 426eb4a9119f049e141035b515d218179bd2f8f1..1f9778d1e11ee20d9db9454ddf2c8167d10dbe23 100644
--- a/chrome/browser/chromeos/login/startup_utils.h
+++ b/chrome/browser/chromeos/login/startup_utils.h
@@ -12,7 +12,6 @@
 class PrefRegistrySimple;
 
 namespace base {
-class Time;
 class TimeDelta;
 }
 
@@ -60,15 +59,6 @@ class StartupUtils {
   // 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);
 };