Move another block of extension tests to manifest_version 2.

chrome/test/data/extensions/api_test/incognito/dont_create_profile/background.js

+// 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.
+
+chrome.test.runTests([
+  function enumerateTabs() {
+    chrome.windows.getAll({"populate": true}, function (windows) {
+      chrome.test.succeed();
+    });
+  },
+  function getAllCookieStores() {
+    chrome.cookies.getAllCookieStores(function (stores) {
+      chrome.test.succeed();
+    });
+  }
+]);