MD Settings: ESLint --fix output, WIP.

chrome/browser/resources/settings/about_page/update_warning_dialog.js

 // Copyright 2017 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.
 
 /**
  * @fileoverview 'settings-update-warning-dialog' is a component warning the
  * user about update over mobile data. By clicking 'Continue', the user
  * agrees to download update using mobile data.
  */
 Polymer({
@@ skipping 21 matching lines @@
   onContinueTap_: function() {
     // TODO(weidongg): implement the real behaviors here.
     this.$.dialog.close();
   },
 
   /**
    * @param {string} updateSizeMb Size of the update in megabytes.
    * @private
    */
   setUpdateWarningMessage: function(updateSizeMb) {
-     this.$$("#update-warning-message").innerHTML =
-         this.i18n("aboutUpdateWarningMessage", updateSizeMb);
+     this.$$('#update-warning-message').innerHTML =
+         this.i18n('aboutUpdateWarningMessage', updateSizeMb);
   },
 });