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

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

Index: chrome/test/data/webui/settings/reset_page_test.js
diff --git a/chrome/test/data/webui/settings/reset_page_test.js b/chrome/test/data/webui/settings/reset_page_test.js
index befb90e9623d9670ef0d1bd62fcba99f2d83714f..73217e7b4a9045d3e76bcfb5cf0674694647f59e 100644
--- a/chrome/test/data/webui/settings/reset_page_test.js
+++ b/chrome/test/data/webui/settings/reset_page_test.js
@@ -212,7 +212,11 @@ cr.define('settings_reset_page', function() {
 
         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');
             });