Timeline addTraceProvider API

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 426 matching lines @@
         }
         var threads = this._model.virtualThreads();
         this._appendThreadTimelineData(WebInspector.UIString("Main"), this._model.mainThreadEvents(), this._model.mainThreadAsyncEvents(), true);
         var compositorThreads = threads.filter(thread => thread.name.startsWith("CompositorTileWorker"));
         var otherThreads = threads.filter(thread => !thread.name.startsWith("CompositorTileWorker"));
         if (compositorThreads.length) {
             this._appendHeader(WebInspector.UIString("Raster"), this._headerLevel1);
             for (var i = 0; i < compositorThreads.length; ++i)
                 this._appendSyncEvents(compositorThreads[i].events, WebInspector.UIString("Rasterizer Thread %d", i), this._headerLevel2);
         }
+        var extensionEvents = this._model.extensionEvents();
+        this._appendSyncEvents(extensionEvents, "Extension", this._headerLevel2);
+
         this._appendGPUEvents();
 
         otherThreads.forEach(thread => this._appendThreadTimelineData(thread.name, thread.events, thread.asyncEventsByGroup));
 
         /**
          * @param {!WebInspector.TimelineFlameChartMarker} a
          * @param {!WebInspector.TimelineFlameChartMarker} b
          */
         function compareStartTime(a, b)
         {
@@ skipping 359 matching lines @@
     {
         this._timelineData.groups.push({startLevel: this._currentLevel, name: title, expanded: expanded, style: style});
     },
 
     /**
      * @param {!WebInspector.TracingModel.Event} event
      * @param {number} level
      */
     _appendEvent: function(event, level)
     {
+        //console.log(event);

[caseq, 2016/07/11 18:58:38]

drop this.

         var index = this._entryData.length;
         this._entryData.push(event);
         this._timelineData.entryLevels[index] = level;
         this._timelineData.entryTotalTimes[index] = event.duration || WebInspector.TimelineFlameChartDataProvider.InstantEventVisibleDurationMs;
         this._timelineData.entryStartTimes[index] = event.startTime;
     },
 
     /**
      * @param {!WebInspector.TracingModel.Event} event
      * @param {number} level
@@ skipping 673 matching lines @@
 /**
   * @constructor
   * @param {!WebInspector.TimelineSelection} selection
   * @param {number} entryIndex
   */
 WebInspector.TimelineFlameChartView.Selection = function(selection, entryIndex)
 {
     this.timelineSelection = selection;
     this.entryIndex = entryIndex;
 }