ChromeOS OOBE: fix focus flow in MD-OOBE.

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

 // Copyright 2016 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 Polymer element for displaying material design Terms Of Service
  * screen.
  */
 
 Polymer({
   is: 'oobe-eula-md',
 
   properties: {
     /**
      * Shows "Loading..." section.
      */
     eulaLoadingScreenShown: {
       type: Boolean,
       value: false,
     },
 
     /**
-     * Shows Terms Of Service frame.
-     */
-    eulaScreenShown: {
-      type: Array,
-    },
-
-    /**
      * "Accepot and continue" button is disabled until content is loaded.
      */
     acceptButtonDisabled: {
       type: Boolean,
       value: true,
     },
 
     /**
      * If "Report anonymous usage stats" checkbox is checked.
      */
     usageStatsChecked: {
       type: Boolean,
       value: false,
     },
 
     /**
      * Reference to OOBE screen object.
      * @type {!OobeTypes.Screen}
      */
     screen: {
       type: Object,
     },
   },
 
+  focus: function() {
+    if (this.eulaLoadingScreenShown) {
+      this.$.eulaLoadingDialog.show();
+    } else {
+      this.$.eulaDialog.show();
+    }
+  },
+
   /**
    * Event handler that is invoked when 'chrome://terms' is loaded.
    */
   onFrameLoad_: function() {
     this.acceptButtonDisabled = false;
   },
 
   /**
    * This is called when strings are updated.
    */
@@ skipping 40 matching lines @@
 
   /**
    * On-tap event handler for back button.
    *
    * @private
    */
   onEulaBackButtonPressed_: function() {
     chrome.send('login.EulaScreen.userActed', ['back-button']);
   },
 });