DevTools: Use stableSort for async events

third_party/WebKit/Source/devtools/front_end/sdk/TracingModel.js

 /*
  * Copyright 2014 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.
  */
 
 /**
  * @constructor
  * @param {!WebInspector.BackingStorage} backingStorage
  */
@@ skipping 279 matching lines @@
      * @return {?WebInspector.TracingModel.Thread}
      */
     threadByName: function(processName, threadName)
     {
         var process = this.processByName(processName);
         return process && process.threadByName(threadName);
     },
 
     _processPendingAsyncEvents: function()
     {
-        this._asyncEvents.sort(WebInspector.TracingModel.Event.compareStartTime);
+        this._asyncEvents.stableSort(WebInspector.TracingModel.Event.compareStartTime);
         for (var i = 0; i < this._asyncEvents.length; ++i) {
             var event = this._asyncEvents[i];
             if (WebInspector.TracingModel.isNestableAsyncPhase(event.phase))
                 this._addNestableAsyncEvent(event);
             else
                 this._addAsyncEvent(event);
         }
         this._asyncEvents = [];
         this._closeOpenAsyncEvents();
     },
@@ skipping 617 matching lines @@
     /**
      * @return {!Array.<!WebInspector.TracingModel.AsyncEvent>}
      */
     asyncEvents: function()
     {
         return this._asyncEvents;
     },
 
     __proto__: WebInspector.TracingModel.NamedObject.prototype
 }