Implement auto-login for ARC kiosk.

chrome/browser/chromeos/login/lock/webui_screen_locker.cc

Index: chrome/browser/chromeos/login/lock/webui_screen_locker.cc
diff --git a/chrome/browser/chromeos/login/lock/webui_screen_locker.cc b/chrome/browser/chromeos/login/lock/webui_screen_locker.cc
index e3ef67ec7b96463bf30157c1556e48deaf4a2742..11982881423fbbe3214b92635b7a280062d7ed6a 100644
--- a/chrome/browser/chromeos/login/lock/webui_screen_locker.cc
+++ b/chrome/browser/chromeos/login/lock/webui_screen_locker.cc
@@ -237,6 +237,10 @@ void WebUIScreenLocker::OnSigninScreenReady() {
   VLOG(2) << "Lock screen signin screen is ready";
 }
 
+void WebUIScreenLocker::OnGaiaScreenReady() {
+  VLOG(2) << "Lock screen gaia screen is ready";
+}
+
 void WebUIScreenLocker::OnStartEnterpriseEnrollment() {
   NOTREACHED();
 }
@@ -257,8 +261,7 @@ void WebUIScreenLocker::ShowWrongHWIDScreen() {
   NOTREACHED();
 }
 
-void WebUIScreenLocker::ResetPublicSessionAutoLoginTimer() {
-}
+void WebUIScreenLocker::ResetAutoLoginTimer() {}
 
 void WebUIScreenLocker::ResyncUserData() {
   NOTREACHED();