Timeline: add moar attributes in frame instrumentation

third_party/WebKit/Source/devtools/front_end/timeline_model/TimelineProfileTree.js

 // Copyright 2016 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.
 WebInspector.TimelineProfileTree = {};
 
 /**
  * @unrestricted
  */
 WebInspector.TimelineProfileTree.Node = class {
   constructor() {
@@ skipping 21 matching lines @@
   isGroupNode() {
     return this._isGroupNode;
   }
 };
 
 /**
  * @param {!Array<!WebInspector.TracingModel.Event>} events
  * @param {!Array<!WebInspector.TimelineModel.Filter>} filters
  * @param {number} startTime
  * @param {number} endTime
- * @param {function(!WebInspector.TracingModel.Event, string):string=} eventGroupIdCallback
+ * @param {function(!WebInspector.TracingModel.Event):string=} eventGroupIdCallback
  * @return {!WebInspector.TimelineProfileTree.Node}
  */
 WebInspector.TimelineProfileTree.buildTopDown = function(events, filters, startTime, endTime, eventGroupIdCallback) {
   // Temporarily deposit a big enough value that exceeds the max recording time.
   var /** @const */ initialTime = 1e7;
   var root = new WebInspector.TimelineProfileTree.Node();
   root.totalTime = initialTime;
   root.selfTime = initialTime;
   root.children = /** @type {!Map<string, !WebInspector.TimelineProfileTree.Node>} */ (new Map());
-  var pageFrameIdStack = [];
   var parent = root;
 
   /**
    * @param {!WebInspector.TracingModel.Event} e
    */
   function onStartEvent(e) {
-    var pageFrameId = WebInspector.TimelineModel.eventFrameId(e) || pageFrameIdStack.peekLast();
-    pageFrameIdStack.push(pageFrameId);
     if (!WebInspector.TimelineModel.isVisible(filters, e))
       return;
     var time = e.endTime ? Math.min(endTime, e.endTime) - Math.max(startTime, e.startTime) : 0;
-    var groupId = eventGroupIdCallback ? eventGroupIdCallback(e, pageFrameId) : Symbol('uniqueGroupId');
+    var groupId = eventGroupIdCallback ? eventGroupIdCallback(e) : Symbol('uniqueGroupId');
     var id = eventGroupIdCallback ? WebInspector.TimelineProfileTree._eventId(e) : Symbol('uniqueEventId');
     if (typeof groupId === 'string' && typeof id === 'string')
       id += '/' + groupId;
     if (!parent.children)
       parent.children = /** @type {!Map<string,!WebInspector.TimelineProfileTree.Node>} */ (new Map());
     var node = parent.children.get(id);
     if (node) {
       node.selfTime += time;
       node.totalTime += time;
     } else {
@@ skipping 12 matching lines @@
       parent.selfTime = 0;
     }
     if (e.endTime)
       parent = node;
   }
 
   /**
    * @param {!WebInspector.TracingModel.Event} e
    */
   function onEndEvent(e) {
-    pageFrameIdStack.pop();
     if (!WebInspector.TimelineModel.isVisible(filters, e))
       return;
     parent = parent.parent;
   }
 
   var instantEventCallback = eventGroupIdCallback ? undefined : onStartEvent;  // Ignore instant events when aggregating.
   WebInspector.TimelineModel.forEachEvent(events, onStartEvent, onEndEvent, instantEventCallback, startTime, endTime);
   root.totalTime -= root.selfTime;
   root.selfTime = 0;
   return root;
@@ skipping 165 matching lines @@
     groupNode.totalTime = 0;
     groupNode.children = new Map();
     groupNode.event = event;
     groupNode._isGroupNode = true;
     this._groupNodes.set(id, groupNode);
     return groupNode;
   }
 };
 
 WebInspector.TimelineAggregator._groupNodeFlag = Symbol('groupNode');