Add manifest_version 2 to yet more extension tests.

chrome/test/data/extensions/uitest/window_open/newtab.html

Index: chrome/test/data/extensions/uitest/window_open/newtab.html
===================================================================
--- chrome/test/data/extensions/uitest/window_open/newtab.html	(revision 113254)
+++ chrome/test/data/extensions/uitest/window_open/newtab.html	(working copy)
@@ -1,12 +1,6 @@
-<script>
-function testExtensionApi() {
-  try {
-    chrome.tabs.getAllInWindow(null, function() {
-      window.domAutomationController.send(
-          !chrome.extension.lastError);
-    });
-  } catch (e) {
-    window.domAutomationController.send(false);
-  }
-}
-</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="newtab.js"></script>