Implement 3 PIN browser tests

remoting/webapp/base.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
  * A module that contains basic utility components and methods for the
  * chromoting project
  *
  */
 
 'use strict';
 
 var base = {};
-base.debug = function () {};
+base.debug = function() {};
 
 /**
  * Whether to break in debugger and alert when an assertion fails.
  * Set it to true for debugging.
  * @type {boolean}
  */
 base.debug.breakOnAssert = false;
 
 /**
  * Assert that |expr| is true else print the |opt_msg|.
@@ skipping 71 matching lines @@
   base.mix(dest.prototype, src.prototype || src);
 };
 
 base.doNothing = function() {};
 
 /**
  * Returns an array containing the values of |dict|.
  * @param {!Object} dict
  * @return {Array}
  */
-base.values = function (dict) {
+base.values = function(dict) {
   return Object.keys(dict).map(
     /** @param {string} key */
     function(key) {
       return dict[key];
     });
 };
 
+base.Promise = function() {};
+
+/**
+ * @param {number} delay
+ * @return {Promise} a Promise that will be fulfilled after |delay| ms.
+ */
+base.Promise.sleep = function(delay) {
+  return new Promise(
+    /** @param {function():void} fulfill */
+    function(fulfill) {
+      window.setTimeout(fulfill, delay);
+    });
+};
+
 /**
  * A mixin for classes with events.
  *
  * For example, to create an alarm event for SmokeDetector:
  * functionSmokeDetector() {
  *    this.defineEvents(['alarm']);
  * };
  * base.extend(SmokeDetector, base.EventSource);
  *
  * To fire an event:
@@ skipping 107 matching lines @@
 
     listeners.forEach(
       /** @param {function(*=):void} listener */
       function(listener){
         if (listener) {
           listener(opt_details);
         }
     });
   }
 };