Webapp changes to support third party authentication

remoting/webapp/jscompiler_hacks.js

Index: remoting/webapp/jscompiler_hacks.js
diff --git a/remoting/webapp/jscompiler_hacks.js b/remoting/webapp/jscompiler_hacks.js
index 79f27509e7d7f6cbd23f987f3417f40853969383..c5df2fcbe2c6e22df008288073aaac6d6a2247df 100644
--- a/remoting/webapp/jscompiler_hacks.js
+++ b/remoting/webapp/jscompiler_hacks.js
@@ -104,7 +104,12 @@ chrome.experimental.identity = {
    * @param {Object.<string>} parameters
    * @param {function(string):void} callback
    */
-  getAuthToken: function(parameters, callback) {}
+  getAuthToken: function(parameters, callback) {},
+  /**
+   * @param {Object.<string>} parameters
+   * @param {function(string):void} callback
+   */
+  launchWebAuthFlow: function(parameters, callback) {}
 };
 
 /** @constructor */
@@ -113,6 +118,9 @@ chrome.Event = function() {};
 /** @param {function():void} callback */
 chrome.Event.prototype.addListener = function(callback) {};
 
+/** @param {function():void} callback */
+chrome.Event.prototype.removeListener = function(callback) {};
+
 /** @constructor */
 chrome.extension.Port = function() {};
 
@@ -172,3 +180,23 @@ chrome.Window = function() {
   /** @type {string} */
   this.type = '';
 };
+
+/** @param {string} message*/
+chrome.extension.sendMessage = function(message) {}
+
+/** @type {chrome.Event} */
+chrome.extension.onMessage;
+
+/** @type {Object} */
+chrome.permissions = {
+  /**
+   * @param {Object.<string>} permissions
+   * @param {function(boolean):void} callback
+   */
+  contains: function(permissions, callback) {},
+/**
+ * @param {Object.<string>} permissions
+ * @param {function(boolean):void} callback
+ */
+  request: function(permissions, callback) {}
+};