Webapp changes to support third party authentication

remoting/webapp/plugin_settings.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.
 
 // Contains all the settings that may need massaging by the build script.
 // Keeping all that centralized here allows us to use symlinks for the other
 // files making for a faster compile/run cycle when only modifying HTML/JS.
 
 'use strict';
 
@@ skipping 28 matching lines @@
 
 /** @type {string} XMPP JID for the remoting directory server bot. */
 remoting.Settings.prototype.DIRECTORY_BOT_JID = 'DIRECTORY_BOT_JID';
 
 // XMPP server connection settings.
 /** @type {string} XMPP server host name (or IP address) and port. */
 remoting.Settings.prototype.XMPP_SERVER_ADDRESS = 'XMPP_SERVER_ADDRESS';
 /** @type {boolean} Whether to use TLS on connections to the XMPP server. */
 remoting.Settings.prototype.XMPP_SERVER_USE_TLS =
     Boolean('XMPP_SERVER_USE_TLS');
+
+// Third party authentication settings.
+/** @type {string} The third party auth redirect URI. */
+remoting.Settings.prototype.THIRD_PARTY_AUTH_REDIRECT_URI =
+    'THIRD_PARTY_AUTH_REDIRECT_URL';