ALL, true);
      nfc.addChild(c, /* opt_render */ true);
      // Since the container itself is non-focusable, we need to make each
      // child individually focusable; this has to happen *after* addChild().
      // See e.g. bug http://b/1359754.
      c.setSupportedState(goog.ui.Component.State.FOCUSED, true);
    });
    nfc.render(goog.dom.getElement('nfc'));
    goog.events.listen(nfc, EVENTS, logEvent);

    // Programmatically create a toolbar.
    var tb = new goog.ui.Container(goog.ui.Container.