rem: callback: function() { return xpinstallEditPermissions(browser.docShell); } 
add: callback: function() { return xpinstallEditPermissions(shell); } 
context:             callback: function() { return xpinstallEditPermissions(browser.docShell); }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/6727c5577dca588d60ffed327e131de475be7ecf/browser.js/buggy/browser/base/content/browser.js