add: catch (ex) { }  return true; 
context: function onCancel(){  if( top.window.opener )    window.close();  else {     try {      profile.forgetCurrentProfile();    }    catch (ex) {      dump("failed to forget current profile.\n");    }    window.close();  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/245c412b5686957d89cfcec9c126afa3d1b936a4/createProfileWizard.js/clean/profile/resources/content/createProfileWizard.js