MD Settings: Disallow clicking on "Reset" when resetting profile is in progress.

chrome/test/data/webui/settings/reset_page_test.js

 // Copyright 2015 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_reset_page', function() {
   /** @enum {string} */
   var TestNames = {
     PowerwashDialogAction: 'PowerwashDialogAction',
     PowerwashDialogOpenClose: 'PowerwashDialogOpenClose',
     ResetBannerClose: 'ResetBannerClose',
@@ skipping 194 matching lines @@
         MockInteractions.tap(resetPage.$.resetProfile);
         var dialog = resetPage.$$('settings-reset-profile-dialog');
         assertTrue(!!dialog);
 
         var showReportedSettingsLink = dialog.$$('.footer a');
         assertTrue(!!showReportedSettingsLink);
         MockInteractions.tap(showReportedSettingsLink);
 
         return resetPageBrowserProxy.whenCalled('showReportedSettings').then(
             function() {
+              assertFalse(dialog.$.reset.disabled);
+              assertFalse(dialog.$.resetSpinner.active);
               MockInteractions.tap(dialog.$.reset);
+              assertTrue(dialog.$.reset.disabled);
+              assertTrue(dialog.$.resetSpinner.active);
               return resetPageBrowserProxy.whenCalled(
                   'performResetProfileSettings');
             });
       });
 
       if (cr.isChromeOS) {
         /**
          * @param {function(SettingsPowerwashDialogElemeent):!Element}
          *     closeButtonFn A function that returns the button to be used for
          *     closing the dialog.
@@ skipping 43 matching lines @@
     });
   }
 
   return {
     registerTests: function() {
       registerBannerTests();
       registerDialogTests();
     },
   };
 });