Fix host delete. Delete always returns a 204 (empty response), which will throw an "authentication …

remoting/webapp/app_remoting/js/app_remoting.js

 // Copyright 2014 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
  * This class implements the functionality that is specific to application
  * remoting ("AppRemoting" or AR).
  */
 
@@ skipping 147 matching lines @@
           onThirdPartyTokenFetched(host['authorizationCode'],
                                    host['sharedSecret']);
         };
 
         connector.connectMe2App(host, fetchThirdPartyToken);
       } else if (response && response.status == 'pending') {
         that.handleError(remoting.Error.SERVICE_UNAVAILABLE);
       }
     } else {
       console.error('Invalid "runApplication" response from server.');
-      // TODO(garykac) Start using remoting.Error.fromHttpError once it has
+      // TODO(garykac) Start using remoting.Error.fromHttpStatus once it has
       // been updated to properly report 'unknown' errors (rather than
       // reporting them as AUTHENTICATION_FAILED).
       if (xhr.status == 0) {
         that.handleError(remoting.Error.NETWORK_FAILURE);
       } else if (xhr.status == 401) {
         that.handleError(remoting.Error.AUTHENTICATION_FAILED);
       } else if (xhr.status == 403) {
         that.handleError(remoting.Error.NOT_AUTHORIZED);
       } else if (xhr.status == 502 || xhr.status == 503) {
         that.handleError(remoting.Error.SERVICE_UNAVAILABLE);
@@ skipping 166 matching lines @@
   remoting.MessageWindow.showErrorMessage(
       chrome.i18n.getMessage(/**i18n-content*/'CONNECTION_FAILED'),
       chrome.i18n.getMessage(/** @type {string} */ (errorTag)));
 };
 
 /** @return {string} */
 remoting.AppRemoting.prototype.runApplicationUrl = function() {
   return remoting.settings.APP_REMOTING_API_BASE_URL + '/applications/' +
       remoting.settings.getAppRemotingApplicationId() + '/run';
 };