Bug 229351 [Contributions] Customize Perspective dialog removes menu entires
I20080429-0100. (works in 3.4 M6a) 1. start fresh workspace 2. verify that the 'Edit' menu contains, e.g. Cut, Copy, Paste 3. Window > Customize Perspective... 4. click 'Cancel' (alternatively you can go and edit, then click 'OK') 5. observe: menu entries are gone from the 'Edit' menu The user has to restart in order to get the menu working again.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/WorkbenchActionBuilder.java
* @since 3.3
     */
	private MenuManager coolbarPopupMenuManager;
    /**
     * Constructs a new action builder which contributes actions
     * to the given window.
     * 
     * @param configurer the action bar configurer for the window
     */
    public WorkbenchActionBuilder(IActionBarConfigurer configurer) {
        super(configurer);
        window = configurer.getWindowConfigurer().getWindow();
    }
    /**
     * Returns the window to which this action builder is contributing.
     */
    private IWorkbenchWindow getWindow() {
        return window;
    }
    /**
     * Hooks listeners on the preference store and the window's page, perspective and selection services.
     */
    private void hookListeners() {
        pageListener = new IPageListener() {
            public void pageActivated(IWorkbenchPage page) {
                
            }
            public void pageClosed(IWorkbenchPage page) {
                
            }