Converted remoting.Error from an enum to a class

remoting/webapp/crd/js/oauth2_api_impl.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';
@@ skipping 21 matching lines @@
 remoting.OAuth2ApiImpl.prototype.getOAuth2ApiUserInfoEndpoint_ = function() {
   return remoting.settings.OAUTH2_API_BASE_URL + '/v1/userinfo';
 };
 
 
 /**
  * Interprets HTTP error responses in authentication XMLHttpRequests.
  *
  * @private
  * @param {number} xhrStatus Status (HTTP response code) of the XMLHttpRequest.
- * @return {remoting.Error} An error code to be raised.
+ * @return {!remoting.Error} An error code to be raised.
  */
 remoting.OAuth2ApiImpl.prototype.interpretXhrStatus_ =
     function(xhrStatus) {
   // Return AUTHENTICATION_FAILED by default, so that the user can try to
   // recover from an unexpected failure by signing in again.
-  /** @type {remoting.Error} */
+  /** @type {!remoting.Error} */
   var error = remoting.Error.AUTHENTICATION_FAILED;
   if (xhrStatus == 400 || xhrStatus == 401 || xhrStatus == 403) {
     error = remoting.Error.AUTHENTICATION_FAILED;
   } else if (xhrStatus == 502 || xhrStatus == 503) {
     error = remoting.Error.SERVICE_UNAVAILABLE;
   } else if (xhrStatus == 0) {
     error = remoting.Error.NETWORK_FAILURE;
   } else {
     console.warn('Unexpected authentication response code: ' + xhrStatus);
   }
   return error;
 };
 
 /**
  * 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.OAuth2ApiImpl.prototype.refreshAccessToken = function(
     onDone, onError, clientId, clientSecret, refreshToken) {
   /** @param {XMLHttpRequest} xhr */
   var onResponse = function(xhr) {
@@ skipping 27 matching lines @@
     }
   });
 };
 
 /**
  * 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.OAuth2ApiImpl.prototype.exchangeCodeForTokens = function(
     onDone, onError, clientId, clientSecret, code, redirectUri) {
   /** @param {XMLHttpRequest} xhr */
@@ skipping 29 matching lines @@
       'grant_type': 'authorization_code'
     }
   });
 };
 
 /**
  * Get the user's email address.
  *
  * @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.OAuth2ApiImpl.prototype.getEmail = function(onDone, onError, token) {
   /** @param {XMLHttpRequest} xhr */
   var onResponse = function(xhr) {
     if (xhr.status == 200) {
       try {
         var result = JSON.parse(xhr.responseText);
@@ skipping 14 matching lines @@
     onDone: onResponse,
     oauthToken: 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.OAuth2ApiImpl.prototype.getUserInfo =
     function(onDone, onError, token) {
   /** @param {XMLHttpRequest} xhr */
   var onResponse = function(xhr) {
     if (xhr.status == 200) {
       try {
@@ skipping 12 matching lines @@
   remoting.xhr.start({
     method: 'GET',
     url: this.getOAuth2ApiUserInfoEndpoint_(),
     onDone: onResponse,
     oauthToken: token
   });
 };
 
 /** @type {remoting.OAuth2Api} */
 remoting.oauth2Api = new remoting.OAuth2ApiImpl();