DevTools: Tweak id calculation for JSFrames

Source/devtools/front_end/timeline/TimelineTreeView.js

 // Copyright 2015 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
  * @extends {WebInspector.VBox}
  * @param {!WebInspector.TimelineModel} model
  */
 WebInspector.TimelineTreeView = function(model)
@@ skipping 248 matching lines @@
 }
 
 /**
  * @param {!WebInspector.TracingModel.Event} event
  * @return {string}
  */
 WebInspector.TimelineTreeView.eventId = function(event)
 {
     if (event.name === WebInspector.TimelineModel.RecordType.JSFrame) {
         var data = event.args["data"];
-        return "f:" + (data["callUID"] || WebInspector.TimelineTreeView.eventURL(event));
+        return "f:" + data["functionName"] + "@" + (data["scriptId"] || data["url"] || "");
     }
     return event.name + ":@" + WebInspector.TimelineTreeView.eventURL(event);
 }
 
 /**
  * @param {!WebInspector.TracingModel.Event} event
  * @return {?string}
  */
 WebInspector.TimelineTreeView.eventURL = function(event)
 {
@@ skipping 126 matching lines @@
         if (!this._profileNode.children)
             return;
         for (var node of this._profileNode.children.values()) {
             var gridNode = new WebInspector.TimelineTreeView.GridNode(node, this._totalTime);
             this.insertChildOrdered(gridNode);
         }
     },
 
     __proto__: WebInspector.SortableDataGridNode.prototype
 }