1 <!DOCTYPE html> 2 <!-- 3 Copyright (c) 2014 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="/extras/chrome/chrome_process_helper.html"> 8 9 <script> 10 'use strict'; 11 12 /** 13 * @fileoverview Utilities for accessing trace data about the Chrome browser. 14 */ 15 tr.exportTo('tr.e.audits', function() { 16 function ChromeRendererHelper(modelHelper, process) { 17 tr.e.audits.ChromeProcessHelper.call(this, modelHelper, process); 18 this.mainThread_ = process.findAtMostOneThreadNamed('CrRendererMain'); 19 this.compositorThread_ = process.findAtMostOneThreadNamed('Compositor'); 20 this.rasterWorkerThreads_ = process.findAllThreadsMatching(function(t) { 21 if (t.name === undefined) 22 return false; 23 if (t.name.indexOf('CompositorTileWorker') === 0) 24 return true; 25 if (t.name.indexOf('CompositorRasterWorker') === 0) 26 return true; 27 return false; 28 }); 29 }; 30 31 ChromeRendererHelper.isRenderProcess = function(process) { 32 if (!process.findAtMostOneThreadNamed('CrRendererMain')) 33 return false; 34 if (!process.findAtMostOneThreadNamed('Compositor')) 35 return false; 36 return true; 37 }; 38 39 ChromeRendererHelper.prototype = { 40 __proto__: tr.e.audits.ChromeProcessHelper.prototype, 41 42 get mainThread() { 43 return this.mainThread_; 44 }, 45 46 get compositorThread() { 47 return this.compositorThread_; 48 }, 49 50 get rasterWorkerThreads() { 51 return this.rasterWorkerThreads_; 52 } 53 }; 54 55 return { 56 ChromeRendererHelper: ChromeRendererHelper 57 }; 58 }); 59 </script> 60
