 if (!prefs) prefs = PrefService.getService(nsIPrefBranch2);  var filterSystemURLs =  prefs.getBoolPref("extensions.firebug.filterSystemURLs"); if (filterSystemURLs) return;  try { var jsd = DebuggerService.getService(jsdIDebuggerService); jsd.initAtStartup = true; } catch (exc) { } 
    registerSelf: function (compMgr, fileSpec, location, type)    {        compMgr = compMgr.QueryInterface(nsIComponentRegistrar);        compMgr.registerFactoryLocation(CLASS_ID, CLASS_NAME, CONTRACT_ID, fileSpec, location, type);        if (!prefs)           prefs = PrefService.getService(nsIPrefBranch2);        var filterSystemURLs =  prefs.getBoolPref("extensions.firebug.filterSystemURLs");        if (filterSystemURLs)  // do not turn jsd on unless we want to see chrome            return;        try        {            var jsd = DebuggerService.getService(jsdIDebuggerService);            jsd.initAtStartup = true;        }        catch (exc)        {        }    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/57be5cc0d05af01592ebc9354c9dd14cffcbf7de/firebug-service.js/buggy/extension/components/firebug-service.js