DevTools: Use better event titles on timeline tree view.

Source/devtools/front_end/timeline/TimelineModel.js

 /*
  * Copyright (C) 2012 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 1493 matching lines @@
             parent.children = /** @type {!Map<string,!WebInspector.TimelineModel.ProfileTreeNode>} */ (new Map());
         var node = parent.children.get(id);
         if (node) {
             node.selfTime += time;
             node.totalTime += time;
         } else {
             node = new WebInspector.TimelineModel.ProfileTreeNode();
             node.totalTime = time;
             node.selfTime = time;
             node.parent = parent;
-            node.name = eventName(e);
             node.id = id;
             node.event = e;
             parent.children.set(id, node);
         }
         parent.selfTime -= time;
         if (parent.selfTime < 0) {
             console.log("Error: Negative self of " + parent.selfTime, e);
             parent.selfTime = 0;
         }
         parent = node;
     }
 
     /**
      * @param {!WebInspector.TracingModel.Event} e
      */
     function onEndEvent(e)
     {
         if (!filter(e))
             return;
         parent = parent.parent;
     }
 
-    /**
-     * @param {!WebInspector.TracingModel.Event} e
-     * @return {string}
-     */
-    function eventName(e)
-    {
-        if (e.name === "JSFrame")
-            return WebInspector.beautifyFunctionName(e.args.data.functionName);
-        if (e.name === "EventDispatch")
-            return WebInspector.UIString("Event%s", e.args.data ? " (" + e.args.data.type + ")" : "");
-        return e.name;
-    }
-
     WebInspector.TimelineModel.forEachEvent(events, onStartEvent, onEndEvent);
     root.totalTime -= root.selfTime;
     root.selfTime = 0;
     return root;
 }
 
 /**
  * @param {!WebInspector.TimelineModel.ProfileTreeNode} topDownTree
  * @param {?function(!WebInspector.TimelineModel.ProfileTreeNode):!WebInspector.TimelineModel.ProfileTreeNode=} groupingCallback
  * @return {!WebInspector.TimelineModel.ProfileTreeNode}
@@ skipping 803 matching lines @@
         /** @type {!Object.<string, !Array.<!WebInspector.InvalidationTrackingEvent>>} */
         this._invalidations = {};
         /** @type {!Object.<number, !Array.<!WebInspector.InvalidationTrackingEvent>>} */
         this._invalidationsByNodeId = {};
 
         this._lastRecalcStyle = undefined;
         this._lastPaintWithLayer = undefined;
         this._didPaint = false;
     }
 }