Bug 176043 [Commands] Need to be able to restore the toolbar without breking plug-in boundaries
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/WorkbenchActionBuilder.java
private IWorkbenchAction quitAction;
    private IWorkbenchAction moveAction;
    private IWorkbenchAction renameAction;
    private IWorkbenchAction goIntoAction;
    private IWorkbenchAction backAction;
    private IWorkbenchAction forwardAction;
    private IWorkbenchAction upAction;
    private IWorkbenchAction nextAction;
    private IWorkbenchAction previousAction;
    
    private IWorkbenchAction openWorkspaceAction;
    private IWorkbenchAction projectPropertyDialogAction;
    private IWorkbenchAction newWizardAction;
    private IWorkbenchAction newWizardDropDownAction;
    private IWorkbenchAction importResourcesAction;
    
    private IWorkbenchAction exportResourcesAction;
    IWorkbenchAction buildAllAction; 
    private IWorkbenchAction cleanAction;
    private IWorkbenchAction toggleAutoBuildAction;
    MenuManager buildWorkingSetMenu;
    private IWorkbenchAction quickStartAction;
    private IWorkbenchAction tipsAndTricksAction;
    private QuickMenuAction showInQuickMenu;
    private QuickMenuAction newQuickMenu;
    private IWorkbenchAction introAction;
    
    private IWorkbenchAction addBookmarkAction;
    private IWorkbenchAction addTaskAction;
    IWorkbenchAction buildProjectAction;