Implement mocks for identity and host-list, add a browser test to test the app in various failure m…

remoting/webapp/browser_test/browser_test.js

Index: remoting/webapp/browser_test/browser_test.js
diff --git a/remoting/webapp/browser_test/browser_test.js b/remoting/webapp/browser_test/browser_test.js
index a35e57d24ce014b7c4f5a648407ddccebf3f8abb..305f65a72cc0a5577c6ea6239ac3c6acbcbd2155 100644
--- a/remoting/webapp/browser_test/browser_test.js
+++ b/remoting/webapp/browser_test/browser_test.js
@@ -44,7 +44,7 @@
 
 'use strict';
 
-var browserTest = {};
+var browserTest = browserTest || {};
 
 browserTest.init = function() {
   // The domAutomationController is used to communicate progress back to the
@@ -107,16 +107,10 @@ browserTest.pass = function() {
 
 browserTest.clickOnControl = function(id) {
   var element = document.getElementById(id);
-  browserTest.expect(element);
+  browserTest.expect(element, 'No such element: ' + id);
   element.click();
 };
 
-/** @enum {number} */
-browserTest.Timeout = {
-  NONE: -1,
-  DEFAULT: 5000
-};
-
 browserTest.onUIMode = function(expectedMode, opt_timeout) {
   if (expectedMode == remoting.currentMode) {
     // If the current mode is the same as the expected mode, return a fulfilled
@@ -330,4 +324,4 @@ browserTest.ensureRemoteConnectionEnabled = function(pin) {
   });
 };
 
-browserTest.init();
+browserTest.init();