Add butter bar to login screen to show device enrollement info.

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

 // Copyright (c) 2012 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.
 
 /**
  * @fileoverview Login UI based on a stripped down OOBE controller.
  * TODO(xiyuan): Refactoring this to get a better structure.
  */
 
 var localStrings = new LocalStrings();
@@ skipping 141 matching lines @@
 
   /**
    * Sets text content for a div with |labelId|.
    * @param {string} labelId Id of the label div.
    * @param {string} labelText Text for the label.
    */
   Oobe.setLabelText = function(labelId, labelText) {
     DisplayManager.setLabelText(labelId, labelText);
   };
 
+  /**
+   * Sets the text content of the enterprise info message.
+   * If the text is empty, the entire notification will be hidden.
+   * @param {string} messageText The message text.
+   */
+  Oobe.setEnterpriseInfo = function(messageText) {
+    DisplayManager.setEnterpriseInfo(messageText);
+  };
+
   // Export
   return {
     Oobe: Oobe
   };
 });
 
 var Oobe = cr.ui.Oobe;
 
 disableTextSelectAndDrag();
 
 document.addEventListener('DOMContentLoaded', cr.ui.Oobe.initialize);