Update defaults for InstantExtended.

chrome/test/data/extensions/api_test/tabs/basics/crud2.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 secondWindowId;
 var thirdWindowId;
 var testTabId;
+var kChromeUINewTabURL = "chrome-search://local-ntp/local-ntp.html";
 
 function clickLink(id) {
   var clickEvent = document.createEvent('MouseEvents');
   clickEvent.initMouseEvent('click', true, true, window);
   document.querySelector('#' + id).dispatchEvent(clickEvent);
 }
 
 chrome.test.runTests([
 
   function setupTwoWindows() {
-    createWindow(["about:blank", "chrome://newtab/", pageUrl("a")], {},
+    createWindow(["about:blank", kChromeUINewTabURL, pageUrl("a")], {},
                 pass(function(winId, tabIds) {
       secondWindowId = winId;
       testTabId = tabIds[2];
 
-      createWindow(["chrome://newtab/", pageUrl("b")], {},
+      createWindow([kChromeUINewTabURL, pageUrl("b")], {},
                            pass(function(winId, tabIds) {
         thirdWindowId = winId;
       }));
     }));
   },
 
   function getAllInWindow() {
     chrome.tabs.getAllInWindow(secondWindowId,
                                pass(function(tabs) {
       assertEq(3, tabs.length);
       for (var i = 0; i < tabs.length; i++) {
         assertEq(secondWindowId, tabs[i].windowId);
         assertEq(i, tabs[i].index);
 
         // The first tab should be active
         assertEq((i == 0), tabs[i].active && tabs[i].selected);
       }
       assertEq("about:blank", tabs[0].url);
-      assertEq("chrome://newtab/", tabs[1].url);
+      assertEq(kChromeUINewTabURL, tabs[1].url);
       assertEq(pageUrl("a"), tabs[2].url);
     }));
 
     chrome.tabs.getAllInWindow(thirdWindowId,
                                pass(function(tabs) {
       assertEq(2, tabs.length);
       for (var i = 0; i < tabs.length; i++) {
         assertEq(thirdWindowId, tabs[i].windowId);
         assertEq(i, tabs[i].index);
       }
-      assertEq("chrome://newtab/", tabs[0].url);
+      assertEq(kChromeUINewTabURL, tabs[0].url);
       assertEq(pageUrl("b"), tabs[1].url);
     }));
   },
 
   function updateSelect() {
     chrome.tabs.getAllInWindow(secondWindowId, pass(function(tabs) {
       assertEq(true, tabs[0].active && tabs[0].selected);
       assertEq(false, tabs[1].active || tabs[1].selected);
       assertEq(false, tabs[2].active || tabs[2].selected);
 
@@ skipping 107 matching lines @@
         assertEq(window.tabs.length, 1);
         chrome.tabs.get(tab.id, pass(function(updatedTabInfo) {
           assertEq(tab.windowId, updatedTabInfo.windowId);
           assertTrue(window.id != updatedTabInfo.windowId);
         }));
       }));
     }));
   },
 
 ]);