 this.dbService_ = Cc["@mozilla.org/url-classifier/dbservice;1"] .getService(Ci.nsIUrlClassifierDBService); 
function PROT_ListManager() {  this.debugZone = "listmanager";  G_debugService.enableZone(this.debugZone);  this.currentUpdateChecker_ = null;   // set when we toggle updates  this.prefs_ = new G_Preferences();  this.updateserverURL_ = null;  this.isTesting_ = false;  this.tablesData = {};  this.observerServiceObserver_ = new G_ObserverServiceObserver(                                          'xpcom-shutdown',                                          BindToObject(this.shutdown_, this),                                          true /*only once*/);  // Lazily create urlCrypto (see tr-fetcher.js)  this.urlCrypto_ = null;    this.requestBackoff_ = new RequestBackoff(3 /* num errors */,                                   10*60*1000 /* error time, 10min */,                                   60*60*1000 /* backoff interval, 60min */,                                   6*60*60*1000 /* max backoff, 6hr */);  this.dbService_ = Cc["@mozilla.org/url-classifier/dbservice;1"]                   .getService(Ci.nsIUrlClassifierDBService);}
5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5459/c91142ec8aff7c1572b2a21682375b02774ee531/listmanager.js/clean/toolkit/components/url-classifier/content/listmanager.js