Fix autoupdate_EndToEndTest on veyron_rialto

chrome/browser/chromeos/login/screens/network_screen.cc

Index: chrome/browser/chromeos/login/screens/network_screen.cc
diff --git a/chrome/browser/chromeos/login/screens/network_screen.cc b/chrome/browser/chromeos/login/screens/network_screen.cc
index fd9d69f9a9eea12d66c79f466cc4fc3dabfee7a2..cbde4e0055a3b6d3fb448cdd5403da4d9bd784a9 100644
--- a/chrome/browser/chromeos/login/screens/network_screen.cc
+++ b/chrome/browser/chromeos/login/screens/network_screen.cc
@@ -363,7 +363,12 @@ void NetworkScreen::StopWaitingForConnection(const base::string16& network_id) {
   if (is_connected && continue_attempts_ == 0 &&
       policy::DeviceCloudPolicyManagerChromeOS::GetZeroTouchEnrollmentMode() ==
           policy::ZeroTouchEnrollmentMode::HANDS_OFF) {
-    OnContinueButtonPressed();
+    // Call OnContinueButtonPressed after 3 minutes.
+    base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&NetworkScreen::OnContinueButtonPressed,
+                   weak_factory_.GetWeakPtr()),
+        base::TimeDelta::FromMinutes(3));
   }
 }