1<!DOCTYPE html>
2<!--
3Copyright (c) 2014 The Chromium Authors. All rights reserved.
4Use of this source code is governed by a BSD-style license that can be
5found in the LICENSE file.
6-->
7<link rel="import" href="/tracing/base/base.html">
8<script>
9'use strict';
10
11tr.exportTo('tr.b', function() {
12  var nextGUID = 1;
13  var GUID = {
14    allocate: function() {
15      return nextGUID++;
16    },
17
18    getLastGuid: function() {
19      return nextGUID - 1;
20    }
21  };
22
23  return {
24    GUID: GUID
25  };
26});
27</script>
28