Converted remoting.Error from an enum to a class

remoting/webapp/crd/js/host_list.js

Index: remoting/webapp/crd/js/host_list.js
diff --git a/remoting/webapp/crd/js/host_list.js b/remoting/webapp/crd/js/host_list.js
index 81180152549a48df6607d5fec12f87b8c42ff9fa..778dd355d82fbe90a40687a20fa4fc977ce8a719 100644
--- a/remoting/webapp/crd/js/host_list.js
+++ b/remoting/webapp/crd/js/host_list.js
@@ -48,7 +48,7 @@ remoting.HostList = function(table, noHosts, errorMsg, errorButton,
   /** @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')),
@@ -157,7 +157,7 @@ remoting.HostList.prototype.refresh = function(onDone) {
  * @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_();
@@ -213,7 +213,7 @@ remoting.HostList.prototype.display = function() {
 
   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 {
@@ -396,7 +396,7 @@ remoting.HostList.prototype.onLocalHostStarted = function(
  * @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);