Remove unnecessary logic from UpdateScreen

chrome/browser/chromeos/login/screens/update_screen.h

Index: chrome/browser/chromeos/login/screens/update_screen.h
diff --git a/chrome/browser/chromeos/login/screens/update_screen.h b/chrome/browser/chromeos/login/screens/update_screen.h
index a03787dea330ebf3971d040ebea52c881c5a5fa2..15e3dd2864063edcdb95bd5522c7e27592fced6b 100644
--- a/chrome/browser/chromeos/login/screens/update_screen.h
+++ b/chrome/browser/chromeos/login/screens/update_screen.h
@@ -126,18 +126,6 @@ class UpdateScreen : public BaseScreen,
   // The user requested an attempt to connect to the network should be made.
   void OnConnectRequested();
 
-  // Records the fact that we performed an update check but do not yet
-  // know if this update check is going to result in an update.
-  void RecordUpdateCheckWithNoUpdateYet();
-
-  // When an update is found, this is called to clear the time of update check
-  // which had saved when we did not yet know whether it would result in an
-  // update.
-  void ClearUpdateCheckNoUpdateTime();
-
-  // Returns true if we should check for an update.
-  bool ShouldCheckForUpdate();
-
   // Timer for the interval to wait for the reboot.
   // If reboot didn't happen - ask user to reboot manually.
   base::OneShotTimer reboot_timer_;