rem: this.outliner.rowCountChanged(index, count); 
add: this.tree.rowCountChanged(index, count); 
context:   rowCountChanged: function(index, count)  {    this.outliner.rowCountChanged(index, count);  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/07d96867f11683becf5e1a6ca5e64e6a9324c957/pageInfo.js/buggy/xpfe/browser/resources/content/pageInfo.js