Add a "device disabled" OOBE screen

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

+// 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.
+
+/**
+ * @fileoverview Device disabled screen implementation.
+ */
+
+login.createScreen('DeviceDisabledScreen', 'device-disabled', function() {
+  return {
+    EXTERNAL_API: [
+      'setMessage'
+    ],
+
+    /**
+     * Event handler that is invoked just before the screen in shown.
+     */
+    onBeforeShow: function() {
+      $('progress-dots').hidden = true;
+    },
+
+    /**
+      * Sets the message to show to the user. If |message| is empty, a default
+      * message will be shown.
+      * @param {string} message The message to show to the user.
+      * @private
+      */
+    setMessage: function(message) {
+      $('device-disabled-message').textContent =
+          message || loadTimeData.getString('deviceDisabledDefaultMessage');
+    }
+  };
+});