cros: Update SAML flow.

chrome/browser/resources/chromeos/login/screen_container.css

 /* Copyright 2013 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #outer-container {
   -webkit-box-align: center;
   -webkit-box-pack: center;
   -webkit-perspective: 600px;
   bottom: 51px;  /* Leave space for the header bar */
@@ skipping 24 matching lines @@
 #oobe.oauth-enrollment #inner-container,
 #oobe.reset #inner-container,
 #oobe.update #inner-container,
 #oobe.user-image #inner-container,
 #oobe.managed-user-creation-dialog #inner-container,
 #oobe.managed-user-creation #inner-container,
 #oobe.password-changed #inner-container,
 #oobe.terms-of-service #inner-container,
 #oobe.wrong-hwid #inner-container,
 #oobe.confirm-password #inner-container,
-#oobe.message-box #inner-container {
+#oobe.fatal-error #inner-container {
   background: white;
   box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.3),
               0 4px 23px 5px rgba(0, 0, 0, 0.2),
               0 2px 6px rgba(0, 0, 0, 0.15);
 }
 
 #oobe.error-message #inner-container,
 #oobe.tpm-error-message #inner-container {
   box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.3),
               0 4px 23px 5px rgba(0, 0, 0, 0.2),
@@ skipping 53 matching lines @@
 #oauth-enrollment-dot,
 #reset-dot,
 #error-message-dot,
 #tpm-error-message-dot,
 #password-changed-dot,
 #managed-user-creation-dot,
 #managed-user-creation-dialog-dot,
 #terms-of-service-dot,
 #wrong-hwid-dot,
 #confirm-password-dot,
-#message-box-dot {
+#fatal-error-dot {
   display: none;
 }
 
 #oobe.connect #connect-dot,
 #oobe.enrollment #gaia-signin-dot,
 #oobe.enrollment #signin-dot,
 #oobe.eula #eula-dot,
 #oobe.gaia-signin #gaia-signin-dot,
 #oobe.oauth-enrollment #gaia-signin-dot,
 #oobe.oauth-enrollment #signin-dot,
@@ skipping 38 matching lines @@
   text-transform: lowercase;
   width: 23em;
 }
 
 .header-section::before {
   /* Divider in header between product name and title,
    * like "[Product name] > [step header]". */
   content: '\00A0\203A\00A0\00A0';
 }