Timeline: show impl-side frames on the Timeline overview

Source/devtools/front_end/TimelinePresentationModel.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel 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.
@@ skipping 214 matching lines @@
 
     return eventDivider;
 }
 
 WebInspector.TimelinePresentationModel._hiddenRecords = { }
 WebInspector.TimelinePresentationModel._hiddenRecords[WebInspector.TimelineModel.RecordType.MarkDOMContent] = 1;
 WebInspector.TimelinePresentationModel._hiddenRecords[WebInspector.TimelineModel.RecordType.MarkLoad] = 1;
 WebInspector.TimelinePresentationModel._hiddenRecords[WebInspector.TimelineModel.RecordType.ScheduleStyleRecalculation] = 1;
 WebInspector.TimelinePresentationModel._hiddenRecords[WebInspector.TimelineModel.RecordType.InvalidateLayout] = 1;
 WebInspector.TimelinePresentationModel._hiddenRecords[WebInspector.TimelineModel.RecordType.GPUTask] = 1;
+WebInspector.TimelinePresentationModel._hiddenRecords[WebInspector.TimelineModel.RecordType.ActivateLayerTree] = 1;
 
 WebInspector.TimelinePresentationModel.prototype = {
     /**
      * @param {!WebInspector.TimelinePresentationModel.Filter} filter
      */
     addFilter: function(filter)
     {
         this._filters.push(filter);
     },
 
@@ skipping 29 matching lines @@
         this._frames = [];
         this._minimumRecordTime = -1;
         this._layoutInvalidateStack = {};
         this._lastScheduleStyleRecalculation = {};
         this._webSocketCreateRecords = {};
         this._coalescingBuckets = {};
     },
 
     addFrame: function(frame)
     {
-        this._frames.push(frame);
+        if (!frame.isBackground)
+            this._frames.push(frame);
     },
 
     /**
      * @param {TimelineAgent.TimelineEvent} record
      * @return {Array.<WebInspector.TimelinePresentationModel.Record>}
      */
     addRecord: function(record)
     {
         if (this._minimumRecordTime === -1 || record.startTime < this._minimumRecordTime)
             this._minimumRecordTime = WebInspector.TimelineModel.startTimeInSeconds(record);
@@ skipping 1256 matching lines @@
 
 WebInspector.TimelinePresentationModel.generatePopupContentForFrame = function(frame)
 {
     var contentHelper = new WebInspector.TimelinePopupContentHelper(WebInspector.UIString("Frame"));
     var durationInSeconds = frame.endTime - frame.startTime;
     var durationText = WebInspector.UIString("%s (at %s)", Number.secondsToString(frame.endTime - frame.startTime, true),
         Number.secondsToString(frame.startTimeOffset, true));
     contentHelper.appendTextRow(WebInspector.UIString("Duration"), durationText);
     contentHelper.appendTextRow(WebInspector.UIString("FPS"), Math.floor(1 / durationInSeconds));
     contentHelper.appendTextRow(WebInspector.UIString("CPU time"), Number.secondsToString(frame.cpuTime, true));
+    contentHelper.appendTextRow(WebInspector.UIString("Thread"), frame.isBackground ? WebInspector.UIString("background") : WebInspector.UIString("main"));
     contentHelper.appendElementRow(WebInspector.UIString("Aggregated Time"),
         WebInspector.TimelinePresentationModel._generateAggregatedInfo(frame.timeByCategory));
-
     return contentHelper.contentTable();
 }
 
 /**
  * @param {WebInspector.FrameStatistics} statistics
  */
 WebInspector.TimelinePresentationModel.generatePopupContentForFrameStatistics = function(statistics)
 {
     /**
      * @param {number} time
@@ skipping 285 matching lines @@
         for (var i = 0; i < stackTrace.length; ++i) {
             var stackFrame = stackTrace[i];
             var row = stackTraceElement.createChild("div");
             row.createTextChild(stackFrame.functionName || WebInspector.UIString("(anonymous function)"));
             row.createTextChild(" @ ");
             var urlElement = callFrameLinkifier(stackFrame);
             row.appendChild(urlElement);
         }
     }
 }