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      1 <!DOCTYPE html>
      2 <!--
      3 Copyright 2016 The Chromium Authors. All rights reserved.
      4 Use of this source code is governed by a BSD-style license that can be
      5 found in the LICENSE file.
      6 -->
      7 <link rel="import" href="/tracing/base/base.html">
      8 <link rel="import" href="/tracing/base/extension_registry.html">
      9 <link rel="import" href="/tracing/base/iteration_helpers.html">
     10 
     11 <script>
     12 'use strict';
     13 
     14 tr.exportTo('tr.metrics', function() {
     15 
     16   function MetricRegistry() {}
     17 
     18   var options = new tr.b.ExtensionRegistryOptions(tr.b.BASIC_REGISTRY_MODE);
     19   options.defaultMetadata = {};
     20   options.mandatoryBaseClass = Function;
     21   tr.b.decorateExtensionRegistry(MetricRegistry, options);
     22 
     23   return {
     24     MetricRegistry: MetricRegistry
     25   };
     26 });
     27 </script>
     28