HeapSnapshot: Sort by distance doesn't work properly for node children in Summary view.

Source/devtools/front_end/HeapSnapshotGridNodes.js

 /*
  * 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:
  *
  *     * 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 794 matching lines @@
     {
         return new WebInspector.HeapSnapshotInstanceNode(this._dataGrid, null, this._dataGrid.snapshot, item);
     },
 
     comparator: function()
     {
         var sortAscending = this._dataGrid.isSortOrderAscending();
         var sortColumnIdentifier = this._dataGrid.sortColumnIdentifier();
         var sortFields = {
             object: ["id", sortAscending, "retainedSize", false],
-            distance: ["distance", true, "retainedSize", false],
+            distance: ["distance", sortAscending, "retainedSize", false],
             count: ["id", true, "retainedSize", false],
             shallowSize: ["selfSize", sortAscending, "id", true],
             retainedSize: ["retainedSize", sortAscending, "id", true]
         }[sortColumnIdentifier];
         return WebInspector.HeapSnapshotFilteredOrderedIterator.prototype.createComparator(sortFields);
     },
 
     _childHashForEntity: function(node)
     {
         return node.id;
@@ skipping 284 matching lines @@
     },
 
     _emptyData: function()
     {
         return {};
     },
 
     __proto__: WebInspector.HeapSnapshotGenericObjectNode.prototype
 }