Bug 309837 [Workbench] Improve startup performance by fixing the cache for feature ini's
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/WorkbenchActionBuilder.java
menu.add(undoAction);
        menu.add(redoAction);
        menu.add(new GroupMarker(IWorkbenchActionConstants.UNDO_EXT));
        menu.add(new Separator());
        menu.add(getCutItem());
        menu.add(getCopyItem());
        menu.add(getPasteItem());
        menu.add(new GroupMarker(IWorkbenchActionConstants.CUT_EXT));
        menu.add(new Separator());
        menu.add(getDeleteItem());
        menu.add(getSelectAllItem());
        menu.add(new Separator());
        menu.add(getFindItem());
        menu.add(new GroupMarker(IWorkbenchActionConstants.FIND_EXT));
        menu.add(new Separator());
        menu.add(getBookmarkItem());
        menu.add(getTaskItem());
        menu.add(new GroupMarker(IWorkbenchActionConstants.ADD_EXT));
        menu.add(new GroupMarker(IWorkbenchActionConstants.EDIT_END));
        menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
        return menu;
    }
    /**
     * Creates and returns the Navigate menu.
     */
    private MenuManager createNavigateMenu() {
        MenuManager menu = new MenuManager(
                IDEWorkbenchMessages.Workbench_navigate, IWorkbenchActionConstants.M_NAVIGATE);
        menu.add(new GroupMarker(IWorkbenchActionConstants.NAV_START));
        menu.add(goIntoAction);