Move another block of extension tests to manifest_version 2.

chrome/test/data/extensions/api_test/fileapi/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.
+
+var fileSystem = null;
+
+console.log("Requesting a filesystem...");
+webkitRequestFileSystem(window.TEMPORARY, 100, getFileSystem, errorCallback);
+
+function getFileSystem(fs) {
+  fileSystem = fs;
+  console.log("DONE requesting filesystem: " + fileSystem.name);
+  fileSystem.root.getDirectory('dir', {create:true},
+                               directoryCallback, errorCallback);
+}
+
+function directoryCallback(directory) {
+  console.log("DONE creating directory: " + directory.path);
+  directory.getFile('file', {create:true}, fileCallback, errorCallback);
+}
+
+function fileCallback(file) {
+  console.log("DONE creating file: " + file.path);
+
+  // See if we get the same filesystem space in the tab.
+  console.log("Opening tab...");
+  chrome.tabs.create({
+    url: "tab.html"
+  });
+}
+
+function errorCallback(error) {
+  chrome.test.fail("Got unexpected error: " + error.code);
+}