Bug 405237 - "deleting "Unfiled Bookmarks" or "bookmarks menu" folders breaks places organizer (should be undeletable)" (Supplimental perf fix) [p=mak77@supereva.it (Marco Bonardo [MaK77]) r=Mano a=blocking1.9+ P1 for M10]

browser/components/places/content/controller.js

@@ -278,21 +278,18 @@ PlacesController.prototype = {
     var nodes = this._view.getSelectionNodes();
     var root = this._view.getResultNode();
 
-    var bmFolderId = PlacesUtils.bookmarksMenuFolderId;
-    var ubFolderId = PlacesUtils.unfiledBookmarksFolderId;
-    var btFolderId = PlacesUtils.toolbarFolderId;
-    
     for (var i = 0; i < nodes.length; ++i) {
       // Disallow removing the view's root node 
       if (nodes[i] == root)
         return false;
 
-      // Disallow removing the toolbar folder
+      // Disallow removing the toolbar, menu and unfiled-bookmarks folders       
+      var nodeItemId = nodes[i].itemId;
       if (!aIsMoveCommand &&
            PlacesUtils.nodeIsFolder(nodes[i]) && 
-          (nodes[i].itemId == btFolderId || 
-            nodes[i].itemId == ubFolderId ||
-            nodes[i].itemId == bmFolderId))
+           (nodeItemId == PlacesUtils.toolbarFolderId || 
+            nodeItemId == PlacesUtils.unfiledBookmarksFolderId ||
+            nodeItemId == PlacesUtils.bookmarksMenuFolderId))
         return false;
 
       // We don't call nodeIsReadOnly here, because nodeIsReadOnly means that