Move another set of extension tests to manifest_version 2

chrome/test/data/extensions/api_test/permissions/favicon/test.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.
+
+
+window.onload = function() {
+
+  chrome.test.runTests([
+    function favicon() {
+      var img = document.getElementById('favicon');
+      chrome.test.assertEq(16, img.naturalWidth);
+      chrome.test.assertEq(16, img.naturalHeight);
+      chrome.test.runNextTest();
+    },
+
+    function theme() {
+      var img = document.getElementById('theme');
+      chrome.test.assertEq(0, img.naturalWidth);
+      chrome.test.assertEq(0, img.naturalHeight);
+      chrome.test.runNextTest();
+    }
+  ]);
+
+};