DevTools: Use proper target when processing worker thread events.

third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js

Index: third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
diff --git a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
index 8445e62d03fc6af7cd28df2ca4b3a799acedf6e0..d820098231ae3e51260606272314989201bff53b 100644
--- a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
+++ b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
@@ -630,7 +630,7 @@ WebInspector.TimelineUIUtils.buildDetailsNodeForTraceEvent = function(event, tar
  */
 WebInspector.TimelineUIUtils.buildTraceEventDetails = function(event, model, linkifier, detailed, callback)
 {
-    var target = model.target();
+    var target = model.targetByEvent(event);
     if (!target) {
         callbackWrapper();
         return;
@@ -693,7 +693,7 @@ WebInspector.TimelineUIUtils._buildTraceEventDetailsSynchronously = function(eve
     // This message may vary per event.name;
     var relatedNodeLabel;
 
-    var contentHelper = new WebInspector.TimelineDetailsContentHelper(model.target(), linkifier);
+    var contentHelper = new WebInspector.TimelineDetailsContentHelper(model.targetByEvent(event), linkifier);
     contentHelper.addSection(WebInspector.TimelineUIUtils.eventTitle(event), WebInspector.TimelineUIUtils.eventStyle(event).category);
 
     var eventData = event.args["data"];
@@ -720,7 +720,7 @@ WebInspector.TimelineUIUtils._buildTraceEventDetailsSynchronously = function(eve
         contentHelper.appendTextRow(WebInspector.UIString("Collected"), Number.bytesToString(delta));
         break;
     case recordTypes.JSFrame:
-        var detailsNode = WebInspector.TimelineUIUtils.buildDetailsNodeForTraceEvent(event, model.target(), linkifier);
+        var detailsNode = WebInspector.TimelineUIUtils.buildDetailsNodeForTraceEvent(event, model.targetByEvent(event), linkifier);
         if (detailsNode)
             contentHelper.appendElementRow(WebInspector.UIString("Function"), detailsNode);
         break;
@@ -849,7 +849,7 @@ WebInspector.TimelineUIUtils._buildTraceEventDetailsSynchronously = function(eve
         break;
 
     default:
-        var detailsNode = WebInspector.TimelineUIUtils.buildDetailsNodeForTraceEvent(event, model.target(), linkifier);
+        var detailsNode = WebInspector.TimelineUIUtils.buildDetailsNodeForTraceEvent(event, model.targetByEvent(event), linkifier);
         if (detailsNode)
             contentHelper.appendElementRow(WebInspector.UIString("Details"), detailsNode);
         break;
@@ -868,7 +868,7 @@ WebInspector.TimelineUIUtils._buildTraceEventDetailsSynchronously = function(eve
     }
 
     if (event.stackTrace || (event.initiator && event.initiator.stackTrace) || event.invalidationTrackingEvents)
-        WebInspector.TimelineUIUtils._generateCauses(event, model.target(), relatedNodesMap, contentHelper);
+        WebInspector.TimelineUIUtils._generateCauses(event, model.targetByEvent(event), relatedNodesMap, contentHelper);
 
     var showPieChart = detailed && WebInspector.TimelineUIUtils._aggregatedStatsForTraceEvent(stats, model, event);
     if (showPieChart) {
@@ -972,7 +972,7 @@ WebInspector.TimelineUIUtils._collectAggregatedStatsForRecord = function(record,
  */
 WebInspector.TimelineUIUtils.buildNetworkRequestDetails = function(request, model, linkifier)
 {
-    var target = model.target();
+    var target = model.targetByEvent(request.children[0]);
     var contentHelper = new WebInspector.TimelineDetailsContentHelper(target, linkifier);
 
     var duration = request.endTime - (request.startTime || -Infinity);