add: case "browser:purge-session-history":  const cs = Components.classes["@mozilla.org/consoleservice;1"] .getService(Components.interfaces.nsIConsoleService); cs.logStringMessage(null); cs.reset(); break; 
context:   observe: function(subject, topic, data)   {    switch(topic) {      case "xpcom-shutdown":        this._dispose();        break;      case "profile-change-teardown":         this._onProfileShutdown();        break;      case "final-ui-startup":        this._onProfileStartup();        break;    }  }
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/15076987ab622b120a36fac133e376d4684af683/nsBrowserGlue.js/clean/browser/components/nsBrowserGlue.js