add: var bx = this.mTree.boxObject.QueryInterface(Components.interfaces.nsITreeBoxObject); setTimeout(function(a) { a.invalidate() }, 1, bx); 
context:   buildContent: function()  {    this.mTreeBody.builder.rebuild();  },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/79b253758f69ea7768c0d7d20503e57360db70dd/inTreeBuilder.js/buggy/extensions/inspector/resources/content/jsutil/xul/inTreeBuilder.js