Move more methods into implementation specific timeline UI utils

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.
 
 /**
  * @param {!WebInspector.TracingModel} tracingModel
  * @constructor
  * @extends {WebInspector.TimelineModel}
  */
 WebInspector.TracingTimelineModel = function(tracingModel)
@@ skipping 445 matching lines @@
     _findAncestorEvent: function(name)
     {
         for (var i = this._eventStack.length - 1; i >= 0; --i) {
             var event = this._eventStack[i];
             if (event.name === name)
                 return event;
         }
         return null;
     },
 
-    /**
-     * @param {!WebInspector.TimelineModel.Record} record
-     * @return {!WebInspector.TracingModel.Event}
-     */
-    traceEventFrom: function(record)
-    {
-        if (!(record instanceof WebInspector.TracingTimelineModel.TraceEventRecord))
-            throw new Error("Illegal argument.");
-        return record._event;
-    },
-
     __proto__: WebInspector.TimelineModel.prototype
 }
 
 /**
  * @constructor
  * @implements {WebInspector.TimelineModel.Record}
  * @param {!WebInspector.TimelineModel} model
  * @param {!WebInspector.TracingModel.Event} traceEvent
  * @param {?WebInspector.TracingTimelineModel.TraceEventRecord} parentRecord
  */
@@ skipping 50 matching lines @@
     children: function()
     {
         return this._children;
     },
 
     /**
      * @return {!WebInspector.TimelineCategory}
      */
     category: function()
     {
-        var style = WebInspector.TimelineUIUtils.styleForTimelineEvent(this._event.name);
+        var style = WebInspector.TracingTimelineUIUtils.styleForTraceEvent(this._event.name);
         return style.category;
     },
 
     /**
      * @return {string}
      */
     title: function()
     {
-        return WebInspector.TimelineUIUtils.recordTitle(this, this._model);
+        return WebInspector.TracingTimelineUIUtils.styleForTraceEvent(this._event.name).title;
     },
 
     /**
      * @return {number}
      */
     startTime: function()
     {
         return this._event.startTime;
     },
 
@@ skipping 119 matching lines @@
     },
 
     /**
      * @return {!WebInspector.TracingModel.Event}
      */
     traceEvent: function()
     {
         return this._event;
     }
 }