[Devtools] Fixed undefined type in Network Waterfall for Other types

third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Anthony Ricaud <rik@webkit.org>
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 819 matching lines @@
   /**
    * @param {!Network.NetworkRequestNode} node
    * @return {!Network.NetworkNode}
    */
   _parentNodeForInsert(node) {
     if (!Runtime.experiments.isEnabled('networkGroupingRequests'))
       return /** @type {!Network.NetworkNode} */ (this._dataGrid.rootNode());
 
     var request = node.request();
     // TODO(allada) Make this dynamic and allow multiple grouping types.
-    var groupKey = request.domain;
+    var groupKey = request.connectionId;

[dgozman, 2017/01/09 23:59:51]

Unrelated?

     var group = this._nodeGroups.get(groupKey);
     if (group)
       return group;
     group = new Network.NetworkGroupNode(this, groupKey);
     this._nodeGroups.set(groupKey, group);
     this._dataGrid.rootNode().appendChild(group);
     return group;
   }
 
   reset() {
@@ skipping 867 matching lines @@
   Running: 'running',
   FromCache: 'from-cache'
 };
 
 /** @type {!Array<string>} */
 Network.NetworkLogView._searchKeys =
     Object.keys(Network.NetworkLogView.FilterType).map(key => Network.NetworkLogView.FilterType[key]);
 
 /** @typedef {function(!SDK.NetworkRequest): boolean} */
 Network.NetworkLogView.Filter;