DevTools: Add ability to go to paint record and paint profiler in Timeline from layers view.

Source/devtools/front_end/timeline/TimelinePanel.js

 /*
  * Copyright (C) 2012 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 267 matching lines @@
      * @return {!WebInspector.TimelineView}
      */
     _timelineView: function()
     {
         if (!this._lazyTimelineView)
             this._lazyTimelineView = new WebInspector.TimelineView(this, this._model, this._uiUtils);
         return this._lazyTimelineView;
     },
 
     /**
+     * @param {!WebInspector.TracingModel.Event} traceEvent
+     */
+    _selectPaintEvent: function(traceEvent)

[caseq, 2014/07/17 13:12:22]

Why is is specific to paint?

[malch, 2014/07/17 15:17:44]

Done.

+    {
+        var eventRecord = undefined;
+
+        function findRecordWithEvent(record)
+        {
+            if (record.traceEvent() === traceEvent) {
+                eventRecord = record;
+                return true;
+            }
+            return false;
+        }
+
+        this._model.forAllRecords(findRecordWithEvent);
+        if (eventRecord) {
+            var selection = WebInspector.TimelineSelection.fromRecord(eventRecord);
+            this.select(selection);
+        }
+    },
+
+    /**
      * @return {!WebInspector.View}
      */
     _layersView: function()
     {
         if (this._lazyLayersView)
             return this._lazyLayersView;
         this._lazyLayersView = new WebInspector.TimelineLayersView();
+        this._lazyLayersView.setSelectPaintEventCallback(this._selectPaintEvent.bind(this));
         return this._lazyLayersView;
     },
 
     _paintProfilerView: function()
     {
         if (this._lazyPaintProfilerView)
             return this._lazyPaintProfilerView;
         this._lazyPaintProfilerView = new WebInspector.TimelinePaintProfilerView();
         return this._lazyPaintProfilerView;
     },
@@ skipping 1172 matching lines @@
      * @param {!WebInspector.TimelineModel.Record} record
      * @return {boolean}
      */
     accept: function(record)
     {
         return !this._regex || this._uiUtils.testContentMatching(record, this._regex);
     },
 
     __proto__: WebInspector.TimelineModel.Filter.prototype
 }