add: this._ignoreInvalidateContainer = false; 
context: function PlacesTreeView(aShowRoot) {  this._tree = null;  this._result = null;  this._collapseDuplicates = true;  this._showSessions = false;  this._selection = null;  this._visibleElements = [];  this._observers = [];  this._showRoot = aShowRoot;}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/20767c910497fdbd4d981fb9e957373523c30236/treeView.js/buggy/browser/components/places/content/treeView.js