Bug 204304 [GlobalActions] Convert some File actions
Convert the ActionFactory actions for QUIT, PROPERTIES, IMPORT, and EXPORT PW
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
* Refresh the contents of the viewer.
	 */
	public void refreshViewer() {
		scheduleMarkerUpdate(Util.SHORT_DELAY);
	}
	/**
	 * Set the filters to newFilters.
	 * 
	 * @param newFilters
	 */
	void setFilters(MarkerFilter[] newFilters) {
		markerFilters = newFilters;
	}
	/**
	 * Clear the cache of enabled filters.
	 * 
	 */
	void clearEnabledFilters() {
		enabledFilters = null;
	}
	/**
	 * Refresh the contents of the filter sub menu.
	 */
	private void refreshFilterMenu() {
		if (filtersMenu == null) {
			return;
		}
		filtersMenu.removeAll();
		MarkerFilter[] filters = getAllFilters();
		for (int i = 0; i < filters.length; i++) {