MD Settings: Remove iron-pages usage from <settings-sync-page>.

chrome/test/data/webui/settings/people_page_sync_page_test.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('settings_people_page_sync_page', function() {
   /**
    * @constructor
    * @implements {settings.SyncBrowserProxy}
    * @extends {settings.TestBrowserProxy}
    */
@@ skipping 94 matching lines @@
         settings.SyncBrowserProxyImpl.instance_ = browserProxy;
 
         PolymerTest.clearBody();
         syncPage = document.createElement('settings-sync-page');
         settings.navigateTo(settings.Route.SYNC);
 
         document.body.appendChild(syncPage);
 
         cr.webUIListenerCallback('page-status-changed',
                                  settings.PageStatus.CONFIGURE);
-        assertEquals(settings.PageStatus.CONFIGURE, syncPage.$.pages.selected);
+        assertFalse(syncPage.$$('#' + settings.PageStatus.CONFIGURE).hidden);
+        assertTrue(syncPage.$$('#' + settings.PageStatus.TIMEOUT).hidden);
+        assertTrue(syncPage.$$('#' + settings.PageStatus.SPINNER).hidden);
 
         // Start with Sync All with no encryption selected.
         cr.webUIListenerCallback('sync-prefs-changed', getSyncAllPrefs());
         Polymer.dom.flush();
 
         encryptWithGoogle =
             syncPage.$$('paper-radio-button[name="encrypt-with-google"]');
         encryptWithPassphrase =
             syncPage.$$('paper-radio-button[name="encrypt-with-passphrase"]');
         assertTrue(!!encryptWithGoogle);
@@ skipping 30 matching lines @@
         }
 
         return browserProxy.whenCalled('didNavigateToSyncPage')
             .then(testNavigateAway)
             .then(testNavigateBack)
             .then(testDetach)
             .then(testRecreate);
       }),
 
       test('LoadingAndTimeout', function() {
+        var configurePage = syncPage.$$('#' + settings.PageStatus.CONFIGURE);
+        var spinnerPage = syncPage.$$('#' + settings.PageStatus.SPINNER);
+        var timeoutPage = syncPage.$$('#' + settings.PageStatus.TIMEOUT);
+
         cr.webUIListenerCallback('page-status-changed',
                                  settings.PageStatus.SPINNER);
-        assertEquals(settings.PageStatus.SPINNER, syncPage.$.pages.selected);
+        assertTrue(configurePage.hidden);
+        assertTrue(timeoutPage.hidden);
+        assertFalse(spinnerPage.hidden);
+
         cr.webUIListenerCallback('page-status-changed',
                                  settings.PageStatus.TIMEOUT);
-        assertEquals(settings.PageStatus.TIMEOUT, syncPage.$.pages.selected);
+        assertTrue(configurePage.hidden);
+        assertFalse(timeoutPage.hidden);
+        assertTrue(spinnerPage.hidden);
+
         cr.webUIListenerCallback('page-status-changed',
                                  settings.PageStatus.CONFIGURE);
-        assertEquals(settings.PageStatus.CONFIGURE, syncPage.$.pages.selected);
+        assertFalse(configurePage.hidden);
+        assertTrue(timeoutPage.hidden);
+        assertTrue(spinnerPage.hidden);
 
         // Should remain on the CONFIGURE page even if the passphrase failed.
         cr.webUIListenerCallback('page-status-changed',
                                  settings.PageStatus.PASSPHRASE_FAILED);
-        assertEquals(settings.PageStatus.CONFIGURE, syncPage.$.pages.selected);
+        assertFalse(configurePage.hidden);
+        assertTrue(timeoutPage.hidden);
+        assertTrue(spinnerPage.hidden);
       });
 
       test('SettingIndividualDatatypes', function() {
         var syncAllDataTypesCheckbox = syncPage.$.syncAllDataTypesCheckbox;
         assertFalse(syncAllDataTypesCheckbox.disabled);
         assertTrue(syncAllDataTypesCheckbox.checked);
 
         // Assert that all the individual datatype checkboxes are disabled.
         var datatypeCheckboxes = syncPage
             .$$('#configure')
@@ skipping 220 matching lines @@
       });
     });
   }
 
   return {
     registerTests: function() {
       registerAdvancedSyncSettingsTests();
     },
   };
 });