Implements It2MeBrowserTest CancelShare and VerifyAccessCodeNotReusable

remoting/webapp/browser_test/it2me_browser_test.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
  * Browser test for the scenario below:
  * 1. Generates an access code.
  * 2. Launches another chromoting app instance.
  * 3. Connects with the generated access code.
@@ skipping 79 matching lines @@
     return browserTest.onUIMode(remoting.AppMode.HOST_WAITING_FOR_CONNECTION);
   }).then(function() {
     var accessCode = document.getElementById('access-code-display').innerText;
     var numericAccessCode = parseFloat(accessCode);
     browserTest.expect(accessCode.length === 12,
                        "The access code should be 12 digits long.");
     browserTest.expect(
         Number.isInteger(numericAccessCode) && numericAccessCode > 0,
         "The access code should be a positive integer.");
     browserTest.pass();
-  }, function(/** * */reason) {
-    browserTest.fail(/** @type {Error} */(reason));
+  }).catch(function(/** Error */ reason) {
+    browserTest.fail(reason);
   });
 };
+
+/** @constructor */
+browserTest.CancelShare = function() {};
+
+browserTest.CancelShare.prototype.run = function() {
+  browserTest.clickOnControl('cancel-share-button');
+  browserTest.onUIMode(remoting.AppMode.HOST_SHARE_FINISHED).then(function() {
+    browserTest.pass();
+  }).catch(function(/** Error */ reason) {
+    browserTest.fail(reason);
+  });
+};