compatible service.js

service.js

if (!services.services.pref) {
    [
        ["appStartup",         "startup"],
        ["browserSearch",      "search"],
        ["directory",          "dirsvc"],
        ["observer",           "obs"],
        ["pref",               "prefs"],
        ["subscriptLoader",    "scriptloader"],
        ["windowMediator",     "wm"],
        ["windowWatcher",      "ww"],
        ["xulAppInfo",         "appinfo"],
    ].forEach(function ([name1, name2]) {
        services.services.__defineGetter__(name1, function () {
            delete this[name1];
            Cu.reportError('services.get:' + name1 + ' is renamed ' + name2);
            return this[name1] = {reference: services.get(name2)};
        });
    });

    if (Ci.nsILivemarkService)
        services.add(
            "livemark",
            "@mozilla.org/browser/livemark-service;2",
            Ci.nsILivemarkService);
}