Move yet another block of tests to manifest_version 2

chrome/test/data/extensions/api_test/notifications/has_permission_prefs/background.html

-<script>
-var notification = null;
-
-// Shows the notification window using the specified URL.
-// Control continues at onNotificationDone().
-function showNotification(url) {
-  notification = window.webkitNotifications.createHTMLNotification(url);
-  notification.onerror = function() {
-    chrome.test.fail("Failed to show notification.");
-  };
-  notification.show();
-}
-
-// Called by the notification when it is done with its tests.
-function onNotificationDone(notificationWindow) {
-  var views = chrome.extension.getViews();
-  chrome.test.assertEq(2, views.length);
-  notificationWindow.onunload = function() {
-    chrome.test.succeed();
-  }
-  notification.cancel();
-}
-
-chrome.test.runTests([
-  function hasPermission() {
-    chrome.test.assertEq(0,  // allowed
-                         webkitNotifications.checkPermission());
-    chrome.test.succeed();
-  },
-  function absoluteURL() {
-    showNotification(chrome.extension.getURL("notification.html"));
-  },
-  function relativeURL() {
-    showNotification("notification.html");
-  }
-]);
-</script>
+<!--
+ * 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 src="background.js"></script>