Draw marker events on Timeline flame chart

Source/devtools/front_end/timeline/TracingTimelineModel.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @param {!WebInspector.TracingModel} tracingModel
  * @param {!WebInspector.TimelineModel.Filter} recordFilter
  * @extends {WebInspector.TimelineModel}
  */
@@ skipping 221 matching lines @@
             var event = mainThreadEvents[i];
             while (recordStack.length) {
                 var top = recordStack.peekLast();
                 if (top._event.endTime >= event.startTime)
                     break;
                 recordStack.pop();
                 if (!recordStack.length)
                     this._addTopLevelRecord(top);
             }
             var record = new WebInspector.TracingTimelineModel.TraceEventRecord(this, event);
-            if (WebInspector.TracingTimelineUIUtils.isEventDivider(record))
+            if (WebInspector.TracingTimelineUIUtils.isMarkerEvent(event))
                 this._eventDividerRecords.push(record);
             if (!this._recordFilter.accept(record))
                 continue;
             var parentRecord = recordStack.peekLast();
             if (parentRecord)
                 parentRecord._addChild(record);
             if (event.endTime)
                 recordStack.push(record);
         }
         if (recordStack.length)
@@ skipping 501 matching lines @@
     },
 
     /**
      * @return {!WebInspector.TimelineModel}
      */
     timelineModel: function()
     {
         return this._model;
     }
 }