Timeline: extract tracing-specific UI helpers into TracingTimelineUIUtils.js

Source/devtools/front_end/timeline/TimelineFlameChart.js

 /*
  * Copyright (C) 2014 Google 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 484 matching lines @@
     /**
      * @param {number} entryIndex
      * @return {?string}
      */
     entryTitle: function(entryIndex)
     {
         var event = this._entryEvents[entryIndex];
         if (event) {
             var name = WebInspector.TimelineUIUtils.styleForTimelineEvent(event.name).title;
             // TODO(yurys): support event dividers
-            var details = WebInspector.TimelineUIUtils.buildDetailsNodeForTraceEvent(event, this._linkifier, false, this._target);
+            var details = WebInspector.TracingTimelineUIUtils.buildDetailsNodeForTraceEvent(event, this._linkifier, false, this._target);
             return details ? WebInspector.UIString("%s (%s)", name, details.textContent) : name;
         }
         var title = this._entryIndexToTitle[entryIndex];
         if (!title) {
             title = WebInspector.UIString("Unexpected entryIndex %d", entryIndex);
             console.error(title);
         }
         return title;
     },
 
@@ skipping 464 matching lines @@
      * @param {number} entryIndex
      * @return {?WebInspector.TimelineSelection}
      */
     createSelection: function(entryIndex) { },
     /**
      * @param {?WebInspector.TimelineSelection} selection
      * @return {number}
      */
     entryIndexForSelection: function(selection) { }
 }