MD User manager: Migrate from PaperDialogBehavior to cr-dialog.

chrome/test/data/webui/md_user_manager/import_supervised_user_tests.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.
 
 cr.define('user_manager.import_supervised_user_tests', function() {
   function registerTests() {
     suite('ImportSupervisedUserTests', function() {
       /** @type {?ImportSupervisedUserElement} */
       var importElement = null;
 
@@ skipping 14 matching lines @@
       });
 
       teardown(function(done) {
         importElement.remove();
         // Allow asynchronous tasks to finish.
         setTimeout(done);
       });
 
       test('Dialog does not show if no signed-in user is provided', function() {
         // The dialog is initially not visible.
-        assertFalse(importElement.$.dialog.opened);
+        assertFalse(importElement.$.dialog.open);
 
         importElement.show(undefined, []);
         Polymer.dom.flush();
 
         // The dialog is still not visible.
-        assertFalse(importElement.$.dialog.opened);
+        assertFalse(importElement.$.dialog.open);
       });
 
       test('Can import supervised user', function() {
         return new Promise(function(resolve, reject) {
           /** @type {!SignedInUser} */
           var signedInUser = {username: 'username',
                               profilePath: 'path/to/profile'};
 
           /** @type {!Array<!SupervisedUser>} */
           var supervisedUsers = [{name: 'supervised user 1',
                                   onCurrentDevice: true},
                                  {name: 'supervised user 3',
                                   onCurrentDevice: false},
                                  {name: 'supervised user 2',
                                   onCurrentDevice: false}];
 
           // Expect an event to import the selected supervised user to be fired.
           importElement.addEventListener('import', function(event) {
             if (event.detail.signedInUser == signedInUser &&
                 event.detail.supervisedUser.name == 'supervised user 2') {
               Polymer.dom.flush();
               // The dialog is no longer visible.
-              assertFalse(importElement.$.dialog.opened);
+              assertFalse(importElement.$.dialog.open);
 
               resolve();
             }
           });
 
           // The dialog is initially not visible.
-          assertFalse(importElement.$.dialog.opened);
+          assertFalse(importElement.$.dialog.open);
 
           importElement.show(signedInUser, supervisedUsers);
           Polymer.dom.flush();
 
           // The dialog becomes visible.
-          assertTrue(importElement.$.dialog.opened);
+          assertTrue(importElement.$.dialog.open);
 
           // The correct message is displayed.
           assertEquals(loadTimeData.getString('supervisedUserImportText'),
                        importElement.$$('#message').textContent.trim());
 
           var selectorElement = importElement.$$('paper-listbox');
           assertTrue(!!selectorElement);
 
           // Supervised users are ordered correctly (Ones that are not on the
           // current device appear first, then they are alphabetically order in
@@ skipping 30 matching lines @@
           MockInteractions.tap(importElement.$$('#import'));
         });
       });
     });
   }
 
   return {
     registerTests: registerTests,
   };
 });