MD Settings: Users: Focus dialog buttons on close

chrome/browser/resources/settings/people_page/fingerprint_list.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.
 
 (function() {
 'use strict';
 
 /**
  * The duration in ms of a background flash when a user touches the fingerprint
  * sensor on this page.
@@ skipping 97 matching lines @@
     this.browserProxy_.changeEnrollmentLabel(e.model.index, e.model.item);
   },
 
   /**
    * Opens the setup fingerprint dialog.
    * @private
    */
   openAddFingerprintDialog_: function() {
     this.$.setupFingerprint.open();
   },
+
+  /** @private */
+  onAddFingerprintDialogClose_: function() {
+    this.$$('#addFingerprint').focus();
+  },
 });
 })();