Converted remoting.Error from an enum to a class

remoting/webapp/crd/js/host_list.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
  * Class representing the host-list portion of the home screen UI.
  */
 
 'use strict';
@@ skipping 30 matching lines @@
   this.errorMsg_ = errorMsg;
   /** @private {Element} */
   this.errorButton_ = errorButton;
   /** @private {HTMLElement} */
   this.loadingIndicator_ = loadingIndicator;
   /** @private {Array<remoting.HostTableEntry>} */
   this.hostTableEntries_ = [];
   /** @private {Array<remoting.Host>} */
   this.hosts_ = [];
   /** @private {!remoting.Error} */
-  this.lastError_ = remoting.Error.NONE;
+  this.lastError_ = remoting.Error.none();
   /** @private {remoting.LocalHostSection} */
   this.localHostSection_ = new remoting.LocalHostSection(
       /** @type {HTMLElement} */ (document.querySelector('.daemon-control')),
       new remoting.LocalHostSection.Controller(
           this, new remoting.HostSetupDialog(remoting.hostController)));
 
   /** @private {number} */
   this.webappMajorVersion_ = parseInt(chrome.runtime.getManifest().version, 10);
 
   this.errorButton_.addEventListener('click',
@@ skipping 88 matching lines @@
  * Handle the results of the host list request.  A success response will
  * include a JSON-encoded list of host descriptions, which we display if we're
  * able to successfully parse it.
  *
  * @param {function(boolean):void} onDone The callback passed to |refresh|.
  * @param {Array<remoting.Host>} hosts The list of hosts for the user.
  * @return {void} Nothing.
  * @private
  */
 remoting.HostList.prototype.onHostListResponse_ = function(onDone, hosts) {
-  this.lastError_ = remoting.Error.NONE;
+  this.lastError_ = remoting.Error.none();
   this.hosts_ = hosts;
   this.sortHosts_();
   this.save_();
   this.loadingIndicator_.classList.remove('loading');
   onDone(true);
 };
 
 /**
  * Sort the internal list of hosts.
  *
@@ skipping 35 matching lines @@
   this.table_.innerText = '';
   this.errorMsg_.innerText = '';
   this.hostTableEntries_ = [];
 
   var noHostsRegistered = (this.hosts_.length == 0);
   this.table_.hidden = noHostsRegistered;
   this.noHosts_.hidden = !noHostsRegistered;
 
   if (this.lastError_.isError()) {
     l10n.localizeElementFromTag(this.errorMsg_, this.lastError_.tag);
-    if (this.lastError_.tag == remoting.Error.Tag.AUTHENTICATION_FAILED) {
+    if (this.lastError_.hasTag(remoting.Error.Tag.AUTHENTICATION_FAILED)) {
       l10n.localizeElementFromTag(this.errorButton_,
                                   /*i18n-content*/'SIGN_IN_BUTTON');
     } else {
       l10n.localizeElementFromTag(this.errorButton_,
                                   /*i18n-content*/'RETRY');
     }
   } else {
     for (var i = 0; i < this.hosts_.length; ++i) {
       /** @type {remoting.Host} */
       var host = this.hosts_[i];
@@ skipping 162 matching lines @@
                                   this.lastError_.isError());
 };
 
 /**
  * Called when the user clicks the button next to the error message. The action
  * depends on the error.
  *
  * @private
  */
 remoting.HostList.prototype.onErrorClick_ = function() {
-  if (this.lastError_.tag == remoting.Error.Tag.AUTHENTICATION_FAILED) {
+  if (this.lastError_.hasTag(remoting.Error.Tag.AUTHENTICATION_FAILED)) {
     remoting.handleAuthFailureAndRelaunch();
   } else {
     this.refresh(remoting.updateLocalHostState);
   }
 };
 
 /**
  * Save the host list to local storage.
  */
 remoting.HostList.prototype.save_ = function() {
   var items = {};
   items[remoting.HostList.HOSTS_KEY] = JSON.stringify(this.hosts_);
   chrome.storage.local.set(items);
   if (this.hosts_.length !== 0) {
     remoting.AppsV2Migration.saveUserInfo();
   }
 };
 
 /**
  * Key name under which Me2Me hosts are cached.
  */
 remoting.HostList.HOSTS_KEY = 'me2me-cached-hosts';
 
 /** @type {remoting.HostList} */
 remoting.hostList = null;