DevTools: improve sort by column usability in heap profiler

Source/devtools/front_end/profiler/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 1125 matching lines @@
     },
 
     /**
      * @return {!WebInspector.HeapSnapshotCommon.ComparatorConfig}
      */
     comparator: function()
     {
         var sortAscending = this._dataGrid.isSortOrderAscending();
         var sortColumnIdentifier = this._dataGrid.sortColumnIdentifier();
         var sortFields = {
-            object: ["id", sortAscending, "retainedSize", false],
+            object: ["name", sortAscending, "id", true],
             distance: ["distance", sortAscending, "retainedSize", false],
-            count: ["id", true, "retainedSize", false],
+            count: ["name", true, "id", true],
             shallowSize: ["selfSize", sortAscending, "id", true],
             retainedSize: ["retainedSize", sortAscending, "id", true]
         }[sortColumnIdentifier];
         return WebInspector.HeapSnapshotGridNode.createComparator(sortFields);
     },
 
     /**
      * @param {!WebInspector.HeapSnapshotCommon.Node} node
      * @return {number}
      */
@@ skipping 226 matching lines @@
     },
 
     /**
      * @return {!WebInspector.HeapSnapshotCommon.ComparatorConfig}
      */
     comparator: function()
     {
         var sortAscending = this._dataGrid.isSortOrderAscending();
         var sortColumnIdentifier = this._dataGrid.sortColumnIdentifier();
         var sortFields = {
-            object: ["id", sortAscending, "selfSize", false],
-            addedCount: ["selfSize", sortAscending, "id", true],
-            removedCount: ["selfSize", sortAscending, "id", true],
-            countDelta: ["selfSize", sortAscending, "id", true],
+            object: ["name", sortAscending, "id", true],
+            addedCount: ["name", true, "id", true],
+            removedCount: ["name", true, "id", true],
+            countDelta: ["name", true, "id", true],
             addedSize: ["selfSize", sortAscending, "id", true],
             removedSize: ["selfSize", sortAscending, "id", true],
             sizeDelta: ["selfSize", sortAscending, "id", true]
         }[sortColumnIdentifier];
         return WebInspector.HeapSnapshotGridNode.createComparator(sortFields);
     },
 
     /**
      * @param {string} filterValue
      * @return {boolean}
@@ skipping 106 matching lines @@
     /**
      * @return {number}
      */
     allocationNodeId: function()
     {
         return this._allocationNode.id;
     },
 
     __proto__: WebInspector.HeapSnapshotGridNode.prototype
 }