Use classList in host_table_entry

remoting/webapp/util.js

-// Copyright (c) 2012 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
- * Simple utility functions for Chromoting.
- */
-
-/**
- * TODO(garykac): Remove this once host_list.js and host_table_entry.js have
- * been updated to use classList directly.
- *
- * @param {Element} element The element to which to add the class.
- * @param {string} cls The new class.
- * @return {void} Nothing.
- */
-function addClass(element, cls) {
-  var helem = /** @type {HTMLElement} */ element;
-  helem.classList.add(cls);
-}
-
-/**
- * TODO(garykac): Remove this once host_list.js and host_table_entry.js have
- * been updated to use classList directly.
- *
- * @param {Element} element The element from which to remove the class.
- * @param {string} cls The new class.
- * @return {void} Nothing.
- */
-function removeClass(element, cls) {
-  var helem = /** @type {HTMLElement} */ element;
-  helem.classList.remove(cls);
-}
-
-/**
- * @return {Object.<string, string>} The URL parameters.
- */
-function getUrlParameters() {
-  var result = {};
-  var parts = window.location.search.substring(1).split('&');
-  for (var i = 0; i < parts.length; i++) {
-    var pair = parts[i].split('=');
-    result[pair[0]] = decodeURIComponent(pair[1]);
-  }
-  return result;
-}
-
-// This function can be called from the Javascript console to show all the UI,
-// for example prior to auditing the CSS. It is not useful otherwise.
-function unhideAll() {
-  var hidden = document.querySelectorAll('[hidden]');
-  for (var i in hidden) {
-    hidden[i].hidden = false;
-  }
-}