DevTools: cleanup treeoutline expand logic

third_party/WebKit/Source/devtools/front_end/components/ObjectPropertiesSection.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 566 matching lines @@
             }
         } else {
             property.parentObject = value;
             treeNode.appendChild(new WebInspector.ObjectPropertyTreeElement(property, linkifier));
         }
     }
     if (internalProperties) {
         for (var i = 0; i < internalProperties.length; i++) {
             internalProperties[i].parentObject = value;
             var treeElement = new WebInspector.ObjectPropertyTreeElement(internalProperties[i], linkifier);
-            if (internalProperties[i].name === "[[Entries]]") {
-                treeElement.setExpandable(true);
+            treeNode.appendChild(treeElement);
+            if (internalProperties[i].name === "[[Entries]]")
                 treeElement.expand();
-            }
-            treeNode.appendChild(treeElement);
         }
     }
     if (value && value.type === "function") {
         // Whether function has TargetFunction internal property.
         // This is a simple way to tell that the function is actually a bound function (we are not told).
         // Bound function never has inner scope and doesn't need corresponding UI node.
         var hasTargetFunction = false;
 
         if (internalProperties) {
             for (var i = 0; i < internalProperties.length; i++) {
@@ skipping 782 matching lines @@
 
             result = currentName + (result ? "." + result : "");
             current = current.parent;
         }
         var treeOutlineId = treeElement.treeOutline[WebInspector.ObjectPropertiesSectionExpandController._treeOutlineId];
         result = treeOutlineId + (result ? ":" + result : "");
         treeElement[WebInspector.ObjectPropertiesSectionExpandController._cachedPathSymbol] = result;
         return result;
     }
 }