rem: outlinerView.showHiddenFiles = !outlinerView.showHiddenFiles; 
add: treeView.showHiddenFiles = !treeView.showHiddenFiles; 
context: function toggleShowHidden(event) {  outlinerView.showHiddenFiles = !outlinerView.showHiddenFiles;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/07d96867f11683becf5e1a6ca5e64e6a9324c957/filepicker.js/clean/xpfe/components/filepicker/res/content/filepicker.js