DomStorageBrowserTest sanity check

content/test/data/dom_storage/common.js

+// Copyright (c) 2012 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.
+
+function debug(message) {
+  var span = document.createElement("span");
+  span.appendChild(document.createTextNode(message));
+  span.appendChild(document.createElement("br"));
+  document.getElementById('status').appendChild(span);
+}
+
+function done(message) {
+  if (document.location.hash == '#fail')
+    return;
+  if (message)
+    debug('PASS: ' + message);
+  else
+    debug('PASS');
+  document.location.hash = '#pass';
+}
+
+function fail(message) {
+  debug('FAILED: ' + message);
+  document.location.hash = '#fail';
+}
+
+function getLog() {
+  return "" + document.getElementById('status').innerHTML;
+}