Move another block of extension tests to manifest_version 2.

chrome/test/data/extensions/api_test/incognito/apis_disabled/background.html

+<!--
+ * Copyright (c) 2011 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.
+-->
 <script>
-var normalWindow, normalTab;
-
-var pass = chrome.test.callbackPass;
-var assertEq = chrome.test.assertEq;
-var assertTrue = chrome.test.assertTrue;
-
-chrome.test.runTests([
-  function getAllWindows() {
-    // The test harness should have set us up with 2 windows: 1 incognito
-    // and 1 regular. We should only see the regular one.
-    chrome.windows.getAll({populate: true}, pass(function(windows) {
-      assertEq(1, windows.length);
-      normalWindow = windows[0];
-      assertTrue(!normalWindow.incognito);
-    }));
-  },
-
-  function tabEvents() {
-    chrome.test.listenOnce(chrome.tabs.onCreated, function(tab) {
-      assertTrue(!tab.incognito);
-    });
-
-    chrome.test.createIncognitoTab("about:blank");
-    chrome.tabs.create({url: "about:blank"}, pass());
-  },
-]);
 </script>