Add a enterprise enrollment check screen to OOBE in ChromeOS.

chrome/browser/resources/login/screen_container.css

 /* Copyright 2014 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: 1px; /* Workaround, see http://crbug.com/360567 */
   bottom: 51px;  /* Leave space for the header bar */
@@ skipping 47 matching lines @@
 #oobe.kiosk-enable #inner-container,
 #oobe.oauth-enrollment #inner-container,
 #oobe.reset #inner-container,
 #oobe.hid-detection #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.auto-enrollment-check #inner-container,
 #oobe.wrong-hwid #inner-container,
 #oobe.confirm-password #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,
@@ skipping 121 matching lines @@
   line-height: 31px;
   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';
 }