Fix typo in TimelineView highlighter

Source/devtools/front_end/timeline/TimelineView.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 808 matching lines @@
 
     /**
      * @param {?Element} rowElement
      * @return {boolean}
      */
     _highlightQuad: function(rowElement)
     {
         if (!rowElement || !rowElement.row)
             return false;
         var presentationRecord = rowElement.row._record;
-        if (presentationRecord.collapsed())
+        if (presentationRecord.coalesced())
             return false;
         var record = presentationRecord.record();
         if (this._highlightedQuadRecord === record)
             return true;
         this._highlightedQuadRecord = record;
 
         var quad = record.highlightQuad();
         if (!quad)
             return false;
         record.target().domAgent().highlightQuad(quad, WebInspector.Color.PageHighlight.Content.toProtocolRGBA(), WebInspector.Color.PageHighlight.ContentOutline.toProtocolRGBA());
@@ skipping 454 matching lines @@
             this._element.classList.remove("hidden");
         } else
             this._element.classList.add("hidden");
     },
 
     _dispose: function()
     {
         this._element.remove();
     }
 }