rem: #ifdef XP_WIN 
add: #ifdef HAVE_SHELL_SERVICE 
context:   _launchExternalUrl: function(aURL)  {    var extProtocolSvc = Components.classes["@mozilla.org/uriloader/external-protocol-service;1"].getService(Components.interfaces.nsIExternalProtocolService);    if (extProtocolSvc)      extProtocolSvc.loadUrl(aURL);#ifdef XP_WIN  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/27730e1df0ce18d780418d217500fab6793c9c81/browser.js/clean/browser/base/content/browser.js