Bug 172485 o.e.u.ide action sets need to be converted to commands and moved to ide.application
bundles/org.eclipse.ui.ide.application/src/org/eclipse/ui/internal/ide/application/IDEWorkbenchAdvisor.java
*/
	private AboutInfo[] welcomePerspectiveInfos = null;
	/**
	 * Helper for managing activites in response to workspace changes.
	 */
	private IDEWorkbenchActivityHelper activityHelper = null;
	/**
	 * Helper for managing work that is performed when the system is otherwise
	 * idle.
	 */
	private IDEIdleHelper idleHelper;
	private Listener settingsChangeListener;
	
	/**
	 * Support class for monitoring workspace changes and periodically
	 * validating the undo history
	 */
	private WorkspaceUndoMonitor workspaceUndoMonitor;
	/**
	 * The IDE workbench error handler.
	 */
	private AbstractStatusHandler ideWorkbenchErrorHandler;
	/**
	 * Creates a new workbench advisor instance.
	 */
	public IDEWorkbenchAdvisor() {
		super();
		if (workbenchAdvisor != null) {
			throw new IllegalStateException();
		}