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

Source/devtools/front_end/timeline/TimelinePanel.js

Index: Source/devtools/front_end/timeline/TimelinePanel.js
diff --git a/Source/devtools/front_end/timeline/TimelinePanel.js b/Source/devtools/front_end/timeline/TimelinePanel.js
index 1965c8865cdfec4b56cf26552468b09352f747c1..366ae20201d3adf7f91da515c837f2e7062fee44 100644
--- a/Source/devtools/front_end/timeline/TimelinePanel.js
+++ b/Source/devtools/front_end/timeline/TimelinePanel.js
@@ -285,6 +285,29 @@ WebInspector.TimelinePanel.prototype = {
     },
 
     /**
+     * @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()
@@ -292,6 +315,7 @@ WebInspector.TimelinePanel.prototype = {
         if (this._lazyLayersView)
             return this._lazyLayersView;
         this._lazyLayersView = new WebInspector.TimelineLayersView();
+        this._lazyLayersView.setSelectPaintEventCallback(this._selectPaintEvent.bind(this));
         return this._lazyLayersView;
     },