Converted remoting.Error from an enum to a class

remoting/webapp/crd/js/oauth2_api.js

 // Copyright 2013 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
  * OAuth2 API flow implementations.
  */
 
 'use strict';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /** @interface */
 remoting.OAuth2Api = function() {
 };
 
 /**
  * Asynchronously retrieves a new access token from the server.
  *
  * @param {function(string, number): void} onDone Callback to invoke when
  *     the access token and expiration time are successfully fetched.
- * @param {function(remoting.Error):void} onError Callback invoked if an
+ * @param {function(!remoting.Error):void} onError Callback invoked if an
  *     error occurs.
  * @param {string} clientId OAuth2 client ID.
  * @param {string} clientSecret OAuth2 client secret.
  * @param {string} refreshToken OAuth2 refresh token to be redeemed.
  * @return {void} Nothing.
  */
 remoting.OAuth2Api.prototype.refreshAccessToken = function(
     onDone, onError, clientId, clientSecret, refreshToken) {
 };
 
 /**
  * Asynchronously exchanges an authorization code for access and refresh tokens.
  *
  * @param {function(string, string, number): void} onDone Callback to
  *     invoke when the refresh token, access token and access token expiration
  *     time are successfully fetched.
- * @param {function(remoting.Error):void} onError Callback invoked if an
+ * @param {function(!remoting.Error):void} onError Callback invoked if an
  *     error occurs.
  * @param {string} clientId OAuth2 client ID.
  * @param {string} clientSecret OAuth2 client secret.
  * @param {string} code OAuth2 authorization code.
  * @param {string} redirectUri Redirect URI used to obtain this code.
  * @return {void} Nothing.
  */
 remoting.OAuth2Api.prototype.exchangeCodeForTokens = function(
     onDone, onError, clientId, clientSecret, code, redirectUri) {
 };
 
 /**
  * Get the user's email address.
  *
  * TODO(jamiewalch): Reorder these parameters to match the typical chrome API
  *     convention of having callbacks at the end and remove the token parameter
  *     to match remoting.HostListApi.
  *
  * @param {function(string):void} onDone Callback invoked when the email
  *     address is available.
- * @param {function(remoting.Error):void} onError Callback invoked if an
+ * @param {function(!remoting.Error):void} onError Callback invoked if an
  *     error occurs.
  * @param {string} token Access token.
  * @return {void} Nothing.
  */
 remoting.OAuth2Api.prototype.getEmail = function(onDone, onError, token) {
 };
 
 /**
  * Get the user's email address and full name.
  *
  * @param {function(string, string):void} onDone Callback invoked when the email
  *     address and full name are available.
- * @param {function(remoting.Error):void} onError Callback invoked if an
+ * @param {function(!remoting.Error):void} onError Callback invoked if an
  *     error occurs.
  * @param {string} token Access token.
  * @return {void} Nothing.
  */
 remoting.OAuth2Api.prototype.getUserInfo = function(onDone, onError, token) {
 };