Bug 172804 [EditorMgmt] Convert new tab behaviour into a tweaklet
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/WorkbenchActionBuilder.java
private IWorkbenchAction copyAction;
    private IWorkbenchAction pasteAction;
    private IWorkbenchAction deleteAction;
    private IWorkbenchAction selectAllAction;
    private IWorkbenchAction findAction;
    private IWorkbenchAction printAction;
    private IWorkbenchAction revertAction;
    private IWorkbenchAction refreshAction;
    private IWorkbenchAction propertiesAction;
    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;