Support for auth code based authentication flow for both app and web UI driven flow.

chrome/browser/chromeos/login/login_status_consumer.cc

Index: chrome/browser/chromeos/login/login_status_consumer.cc
diff --git a/chrome/browser/chromeos/login/login_status_consumer.cc b/chrome/browser/chromeos/login/login_status_consumer.cc
index e0d1d4dd9edfbd54c53a4e93d7138fe611d9b370..903238fe7ad6d20e44f4fffc298e4451fb6f8bb3 100644
--- a/chrome/browser/chromeos/login/login_status_consumer.cc
+++ b/chrome/browser/chromeos/login/login_status_consumer.cc
@@ -8,7 +8,11 @@
 namespace chromeos {
 
 void LoginStatusConsumer::OnRetailModeLoginSuccess() {
-  OnLoginSuccess(kRetailModeUserEMail, "", false, false);
+  OnLoginSuccess(UserCredentials(kRetailModeUserEMail,
+                                 "",   // password
+                                 ""),  // auth_code
+                 false,   // pending_requests
+                 false);  // using_oauth
 }
 
 void LoginStatusConsumer::OnPasswordChangeDetected() {