Do not override data getter in heap snapshot grid nodes

Source/devtools/front_end/HeapSnapshot.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 46 matching lines @@
     this._edges = snapshot._containmentEdges;
     this.edgeIndex = edgeIndex || 0;
 }
 
 /**
  * @constructor
  * @param {string} name
  * @param {!WebInspector.HeapSnapshotNode.Serialized} node
  * @param {number} nodeIndex
  * @param {string} type
- * @param {number} distance
  */
-WebInspector.HeapSnapshotEdge.Serialized = function(name, node, nodeIndex, type, distance) {
+WebInspector.HeapSnapshotEdge.Serialized = function(name, node, nodeIndex, type)
+{
     this.name = name;
     this.node = node;
     this.nodeIndex = nodeIndex;
     this.type = type;
-    this.distance = distance;
 };
 
 WebInspector.HeapSnapshotEdge.prototype = {
     /**
      * @return {!WebInspector.HeapSnapshotEdge}
      */
     clone: function()
     {
         return new WebInspector.HeapSnapshotEdge(this._snapshot, this.edgeIndex);
     },
@@ skipping 55 matching lines @@
         return this.edgeIndex;
     },
 
     /**
      * @override
      * @return {!WebInspector.HeapSnapshotEdge.Serialized}
      */
     serialize: function()
     {
         var node = this.node();
-        return new WebInspector.HeapSnapshotEdge.Serialized(this.name(), node.serialize(), this.nodeIndex(), this.type(), node.distance());
+        return new WebInspector.HeapSnapshotEdge.Serialized(this.name(), node.serialize(), this.nodeIndex(), this.type());
     },
 
     _type: function()
     {
         return this._edges[this.edgeIndex + this._snapshot._edgeTypeOffset];
     }
 };
 
 
 /**
@@ skipping 143 matching lines @@
     this._snapshot = snapshot;
     this.setRetainerIndex(retainerIndex);
 }
 
 /**
  * @constructor
  * @param {string} name
  * @param {!WebInspector.HeapSnapshotNode.Serialized} node
  * @param {number} nodeIndex
  * @param {string} type
- * @param {number} distance
  */
-WebInspector.HeapSnapshotRetainerEdge.Serialized = function(name, node, nodeIndex, type, distance) {
+WebInspector.HeapSnapshotRetainerEdge.Serialized = function(name, node, nodeIndex, type) {
     this.name = name;
     this.node = node;
     this.nodeIndex = nodeIndex;
     this.type = type;
-    this.distance = distance;
 }
 
 WebInspector.HeapSnapshotRetainerEdge.prototype = {
     /**
      * @return {!WebInspector.HeapSnapshotRetainerEdge}
      */
     clone: function()
     {
         return new WebInspector.HeapSnapshotRetainerEdge(this._snapshot, this.retainerIndex());
     },
@@ skipping 91 matching lines @@
         return this._retainerIndex;
     },
 
     /**
      * @override
      * @return {!WebInspector.HeapSnapshotRetainerEdge.Serialized}
      */
     serialize: function()
     {
         var node = this.node();
-        return new WebInspector.HeapSnapshotRetainerEdge.Serialized(this.name(), node.serialize(), this.nodeIndex(), this.type(), node.distance());
+        return new WebInspector.HeapSnapshotRetainerEdge.Serialized(this.name(), node.serialize(), this.nodeIndex(), this.type());
     },
 
     /**
      * @return {string}
      */
     type: function()
     {
         return this._edge().type();
     }
 }
@@ skipping 1881 matching lines @@
      * @param {number} windowRight
      */
     sort: function(comparator, leftBound, rightBound, windowLeft, windowRight)
     {
         this._iterationOrder.sortRange(this._buildCompareFunction(comparator), leftBound, rightBound, windowLeft, windowRight);
     },
 
     __proto__: WebInspector.HeapSnapshotItemProvider.prototype
 }