DevTools: Use stableSort for async events

third_party/WebKit/Source/devtools/front_end/timeline/TimelineFlameChart.js

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 544 matching lines @@
     {
         var groups = WebInspector.TimelineModel.AsyncEventGroup;
         var groupArray = Object.keys(groups).map(key => groups[key]);
 
         groupArray.remove(groups.animation);
         groupArray.remove(groups.input);
 
         for (var groupIndex = 0; groupIndex < groupArray.length; ++groupIndex) {
             var group = groupArray[groupIndex];
             var events = asyncEvents.get(group);
-            if (events) {
-                var title = WebInspector.TimelineUIUtils.titleForAsyncEventGroup(groups.input);
-                this._appendAsyncEventsGroup(title, events, this._headerLevel1);
-            }
+            if (!events)
+                continue;
+            var title = WebInspector.TimelineUIUtils.titleForAsyncEventGroup(group);
+            this._appendAsyncEventsGroup(title, events, this._headerLevel1);
         }
     },
 
     /**
      * @param {string} header
      * @param {!Array<!WebInspector.TracingModel.AsyncEvent>} events
      * @param {!WebInspector.FlameChart.GroupStyle} style
      */
     _appendAsyncEventsGroup: function(header, events, style)
     {
@@ skipping 937 matching lines @@
 /**
   * @constructor
   * @param {!WebInspector.TimelineSelection} selection
   * @param {number} entryIndex
   */
 WebInspector.TimelineFlameChartView.Selection = function(selection, entryIndex)
 {
     this.timelineSelection = selection;
     this.entryIndex = entryIndex;
 }