cros: Update SAML flow.

chrome/browser/resources/chromeos/login/header_bar.js

Index: chrome/browser/resources/chromeos/login/header_bar.js
diff --git a/chrome/browser/resources/chromeos/login/header_bar.js b/chrome/browser/resources/chromeos/login/header_bar.js
index 06e7434da3612c72a1e7151dee95b51cc56d3b11..dac8d258cdd8eebcae5628ae19d3effa78c4c1a3 100644
--- a/chrome/browser/resources/chromeos/login/header_bar.js
+++ b/chrome/browser/resources/chromeos/login/header_bar.js
@@ -188,6 +188,8 @@ cr.define('login', function() {
           (this.signinUIState_ == SIGNIN_UI_STATE.MANAGED_USER_CREATION_FLOW);
       var wrongHWIDWarningIsActive =
           (this.signinUIState_ == SIGNIN_UI_STATE.WRONG_HWID_WARNING);
+      var isSamlPasswordConfirm =
+          (this.signinUIState_ == SIGNIN_UI_STATE.SAML_PASSWORD_CONFIRM);
       var isMultiProfilesUI =
           (Oobe.getInstance().displayType == DISPLAY_TYPE.USER_ADDING);
 
@@ -200,6 +202,7 @@ cr.define('login', function() {
           managedUserCreationDialogIsActive ||
           !this.showGuest_ ||
           wrongHWIDWarningIsActive ||
+          isSamlPasswordConfirm ||
           isMultiProfilesUI;
       $('add-user-header-bar-item').hidden =
           $('add-user-button').hidden && $('cancel-add-user-button').hidden;