private void setupUpPageKey(JComponent component) {
    @NlsSafe
    String actionName = "FCB_PAGE_UP";
    Action action = new AbstractAction(actionName) {

      private static final long serialVersionUID = 6590487133211390977L;

      @Override
      public void actionPerformed(ActionEvent e) {

        // without moving the focus, move up one page on the popup menu,
        // probably jumping to history list
        if (popup.isVisible()) {
          boolean focusPopup = popup.isPopupFocused();
          popup.selectUpPage();
          popup.setPopupFocused(focusPopup);
        }
      }
    };
    component.getActionMap().put(actionName, action);
    component.getInputMap(JComponent.WHEN_FOCUSED)
      .put(KeyStroke.getKeyStroke(KeyEvent.VK_PAGE_UP, 0), actionName);
  }
private void setupUpPageKey(JComponent component)