Bug 243758 [Contributions] Accelerators in menus are not installed until menu shown
bundles/org.eclipse.jface/src/org/eclipse/jface/window/ApplicationWindow.java
* etc.
     * </p>
     *
     * @return the default font, or <code>null</code> if none
     */
    protected Font getFont() {
        return JFaceResources.getFont(getSymbolicFontName());
    }
    /**
     * Returns the menu bar manager for this window (if it has one).
     *
     * @return the menu bar manager, or <code>null</code> if
     *   this window does not have a menu bar
     * @see #addMenuBar()
     */
    public MenuManager getMenuBarManager() {
        return menuBarManager;
    }
    /**
     * Returns the status line manager for this window (if it has one).
     *
     * @return the status line manager, or <code>null</code> if
     *   this window does not have a status line
     * @see #addStatusLine
     */
    protected StatusLineManager getStatusLineManager() {
        return statusLineManager;
    }
    /**
     * Returns the symbolic font name of the font to be