Fix headless test failure by adding polyfill for Function.bind for Phantom.js

Gruntfile.js

@@ -77,6 +77,9 @@ module.exports = function (grunt) {
                     'src/thirdparty/mustache/mustache.js',
                     'src/thirdparty/path-utils/path-utils.min'
                 ],
+                helpers : [
+                    'test/spec/PhantomHelper.js'
+                ],
                 template : require('grunt-template-jasmine-requirejs'),
                 templateOptions: {
                     requireConfig : {

test/spec/PhantomHelper.js

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+ *  
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"), 
+ * to deal in the Software without restriction, including without limitation 
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+ * and/or sell copies of the Software, and to permit persons to whom the 
+ * Software is furnished to do so, subject to the following conditions:
+ *  
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *  
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
+ * DEALINGS IN THE SOFTWARE.
+ * 
+ */
+
+/*jslint vars: true, plusplus: true, devel: true, nomen: true, indent: 4, maxerr: 50 */
+/*global define */
+
+// Polyfill for Phantom.js
+
+(function () {
+    "use strict";
+    
+    // See https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Function/bind
+    if (!Function.prototype.bind) {
+        Function.prototype.bind = function (oThis) {
+            if (typeof this !== "function") {
+                // closest thing possible to the ECMAScript 5 internal IsCallable function
+                throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
+            }
+            
+            var aArgs = Array.prototype.slice.call(arguments, 1),
+                fToBind = this,
+                FNOP = function () {},
+                fBound = function () {
+                    return fToBind.apply(this instanceof FNOP && oThis
+                        ? this
+                        : oThis,
+                        aArgs.concat(Array.prototype.slice.call(arguments)));
+                };
+            
+            FNOP.prototype = this.prototype;
+            fBound.prototype = new FNOP();
+            
+            return fBound;
+        };
+    }
+}());