Bug 315281 update copyrights for 3.6
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/ExtendedMarkersView.java
IWorkbenchSiteProgressService progressService = builder
					.getProgressService();
			if (progressService != null) {
				progressService.schedule(uiUpdateJob, delay);
			} else {
				uiUpdateJob.schedule(delay);
			}
			return uiUpdateJob;
		}
	}
	/**
	 * @return lastUiRefreshTime
	 * 
	 */
	long getLastUIRefreshTime() {
		if (uiUpdateJob != null) {
			return uiUpdateJob.getLastUpdateTime();
		}
		return -1;
	}
	/**
	 * @return true if the UI isUpdating
	 * 
	 */
	boolean isUIUpdating() {
		return uiUpdateJob!=null?uiUpdateJob.isUpdating():false;
	}
	/**
	 * Return the next secondary id that has not been opened for a primary id of
	 * a part.