1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 'use strict'; 6 7 base.require('tracing.trace_model.trace_model_event'); 8 9 /** 10 * @fileoverview Provides the Slice class. 11 */ 12 base.exportTo('tracing.trace_model', function() { 13 /** 14 * A Slice represents an interval of time plus parameters associated 15 * with that interval. 16 * 17 * @constructor 18 */ 19 function Slice(category, title, colorId, start, args, opt_duration) { 20 tracing.trace_model.TraceModelEvent. 21 call(this, category, title, colorId, start, args); 22 23 if (opt_duration !== undefined) 24 this.duration = opt_duration; 25 } 26 27 Slice.prototype = { 28 __proto__: tracing.trace_model.TraceModelEvent.prototype, 29 30 get end() { 31 return this.start + this.duration; 32 } 33 }; 34 35 return { 36 Slice: Slice 37 }; 38 }); 39