Bug 491810 - Geolocation cookie cleared at exit for...

            this.timer = null;

        }

        // Although we aren't using cookies, we should error on the side of not

        // Although we aren't using cookies, we should err on the side of not

        // saving any access tokens if the user asked us not to save cookies or

        // has changed the lifetimePolicy.  The access token in these cases is

        // used and valid for the life of this object (eg. between startup and

        // shutdown).e

        let prefService = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);

        if (prefService.getIntPref("network.cookie.lifetimePolicy") != 0) {

            let branch = prefService.getBranch("geo.wifi.access_token.");

            branch.deleteBranch("");

        }

        let prefBranch = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);

        if (prefBranch.getIntPref("network.cookie.lifetimePolicy") != 0)

            prefBranch.deleteBranch("geo.wifi.access_token.");

        let os = Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);

        os.removeObserver(this, "private-browsing");