Move another block of extension tests to manifest_version 2.

chrome/test/data/extensions/api_test/executescript/permissions/frames.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.
+
+// document.write is not pretty, but it saves us from having to wait for the
+// DOM to load before adding iframes.  This means one less callback to wait on.
+function addIFrame(host) {
+  document.write(['<iframe src="http://', host, ':', location.port,
+                  '/files/extensions/api_test/executescript',
+                  '/permissions/empty.html"> </iframe>'].join(''));
+}
+addIFrame("a.com");
+addIFrame("b.com");
+addIFrame("c.com");