[Extensions] Update web API cloberring for platform apps

chrome/test/data/extensions/platform_apps/restrictions/main.js

 // Copyright (c) 2012 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.
 
 var assertEq = chrome.test.assertEq;
 var assertTrue = chrome.test.assertTrue;
 var fail = chrome.test.fail;
 var succeed = chrome.test.succeed;
 
 function assertThrowsError(method, opt_expectedError) {
@@ skipping 56 matching lines @@
     assertEq('undefined', typeof(history.forward));
     assertEq('undefined', typeof(history.go));
     assertEq('undefined', typeof(history.length));
     assertEq('undefined', typeof(history.pushState));
     assertEq('undefined', typeof(history.replaceState));
     assertEq('undefined', typeof(history.state));
     succeed();
   },
 
   function testWindowFind() {
-    assertEq('undefined', typeof(Window.prototype.find('needle')));
+    assertEq('undefined', typeof(Window.prototype.find));
     assertEq('undefined', typeof(window.find('needle')));
     assertEq('undefined', typeof(find('needle')));
     succeed();
   },
 
   function testWindowAlert() {
-    assertEq('undefined', typeof(Window.prototype.alert()));
+    assertEq('undefined', typeof(Window.prototype.alert));
     assertEq('undefined', typeof(window.alert()));
     assertEq('undefined', typeof(alert()));
     succeed();
   },
 
   function testWindowConfirm() {
-    assertEq('undefined', typeof(Window.prototype.confirm('Failed')));
+    assertEq('undefined', typeof(Window.prototype.confirm));
     assertEq('undefined', typeof(window.confirm('Failed')));
     assertEq('undefined', typeof(confirm('Failed')));
     succeed();
   },
 
   function testWindowPrompt() {
-    assertEq('undefined', typeof(Window.prototype.prompt('Failed')));
+    assertEq('undefined', typeof(Window.prototype.prompt));
     assertEq('undefined', typeof(window.prompt('Failed')));
     assertEq('undefined', typeof(prompt('Failed')));
     succeed();
   },
 
   function testBars() {
     var bars = ['locationbar', 'menubar', 'personalbar',
                 'scrollbars', 'statusbar', 'toolbar'];
     for (var x = 0; x < bars.length; x++) {
       assertEq('undefined', typeof(this[bars[x]]));
@@ skipping 74 matching lines @@
     assertEq('undefined', typeof(chrome.extension));
     succeed();
   },
 
   function testExtensionApis() {
     assertEq('undefined', typeof(chrome.tabs));
     assertEq('undefined', typeof(chrome.windows));
     succeed();
   }
 ]);