rem: callback: function() { return xpinstallEditPermissions(browser.docShell); } 
add: callback: function() { return xpinstallEditPermissions(shell); } 
context:             callback: function() { return xpinstallEditPermissions(browser.docShell); }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/10d271efeb061252142cff0abb688f225b9f8c08/browser.js/buggy/browser/base/content/browser.js