Update constructors view when switching perspectives

Source/devtools/front_end/HeapSnapshotView.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 207 matching lines @@
     activate: function(heapSnapshotView)
     {
         heapSnapshotView._constructorsView.show(heapSnapshotView._splitView.mainElement());
         heapSnapshotView._retainmentView.show(heapSnapshotView._splitView.sidebarElement());
         heapSnapshotView._splitView.show(heapSnapshotView.element);
         heapSnapshotView._filterSelect.visible = true;
         heapSnapshotView._classNameFilter.visible = true;
         if (heapSnapshotView._trackingOverviewGrid) {
             heapSnapshotView._trackingOverviewGrid.show(heapSnapshotView.element, heapSnapshotView._splitView.element);
             heapSnapshotView._trackingOverviewGrid.update();
+            heapSnapshotView._trackingOverviewGrid._updateGrid();
         }
     },
 
     /**
      * @override
      * @param {!WebInspector.HeapSnapshotView} heapSnapshotView
      * @return {?WebInspector.DataGrid}
      */
     masterGrid: function(heapSnapshotView)
     {
@@ skipping 141 matching lines @@
      * @override
      * @param {!WebInspector.HeapSnapshotView} heapSnapshotView
      */
     activate: function(heapSnapshotView)
     {
         heapSnapshotView._allocationView.show(this._allocationSplitView.mainElement());
         heapSnapshotView._constructorsView.show(heapSnapshotView._splitView.mainElement());
         heapSnapshotView._retainmentView.show(heapSnapshotView._splitView.sidebarElement());
         heapSnapshotView._splitView.show(this._allocationSplitView.sidebarElement());
         this._allocationSplitView.show(heapSnapshotView.element);
+
+        heapSnapshotView._constructorsDataGrid.clear();
+        var selectedNode = heapSnapshotView._allocationDataGrid.selectedNode;
+        if (selectedNode)
+            heapSnapshotView._constructorsDataGrid.setAllocationNodeId(selectedNode.allocationNodeId());
     },
 
     /**
      * @override
      * @param {!WebInspector.HeapSnapshotView} heapSnapshotView
      */
     deactivate: function(heapSnapshotView)
     {
         this._allocationSplitView.detach();
         WebInspector.HeapSnapshotView.Perspective.prototype.deactivate.call(this, heapSnapshotView);
@@ skipping 1755 matching lines @@
         if (color)
             swatchDiv.style.backgroundColor = color;
         else
             swatchDiv.classList.add("heap-snapshot-stats-empty-swatch");
         nameDiv.textContent = name;
         sizeDiv.textContent = WebInspector.UIString("%s KB", Number.withThousandsSeparator(Math.round(value / 1024)));
     },
 
     __proto__: WebInspector.VBox.prototype
 }