<!DOCTYPE html>
<!--
Copyright (c) 2015 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.
-->
<link rel="import" href="/tracing/extras/chrome/chrome_process_helper.html">

<script>
'use strict';

/**
 * @fileoverview Utilities for accessing the Chrome GPU Process.
 */
tr.exportTo('tr.e.audits', function() {
  function ChromeGpuHelper(modelHelper, process) {
    tr.e.audits.ChromeProcessHelper.call(this, modelHelper, process);
    this.mainThread_ = process.findAtMostOneThreadNamed('CrGpuMain');
  };

  ChromeGpuHelper.isGpuProcess = function(process) {
    // In some android builds the GPU thread is not in a separate process.
    if (process.findAtMostOneThreadNamed('CrBrowserMain') ||
        process.findAtMostOneThreadNamed('CrRendererMain'))
      return false;
    return process.findAtMostOneThreadNamed('CrGpuMain');
  };

  ChromeGpuHelper.prototype = {
    __proto__: tr.e.audits.ChromeProcessHelper.prototype,

    get mainThread() {
      return this.mainThread_;
    }
  };

  return {
    ChromeGpuHelper: ChromeGpuHelper
  };
});
</script>