Bug 213040 [Markers] Selected filters not being kept on restart
When I select "Warnings on Selection" and then restart it is not selected when I come back in. We need to retain these selections. Note this is only a problem when selecting from the menu - from the dialog works fine.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/MarkerContentGenerator.java
IMarker[] markers = resource.findMarkers(
							markerType.getId(), includeAllSubtypes
									.contains(markerType), depth);
					monitor.worked(1);
					filterMarkers(results, group, markers);
				} catch (CoreException e) {
					StatusManager.getManager().handle(e.getStatus());
				}
			}
		}
		monitor.done();
	}
	/**
	 * Re-generate all of the markers and filter them based on the enabled
	 * filters.
	 * 
	 * @param subMonitor
	 * @return MarkerMap
	 */
	MarkerMap generateFilteredMarkers(SubProgressMonitor subMonitor) {
		Collection filters = getEnabledFilters();
		Collection returnMarkers = null;
		if (filters.size() > 0) {
			Iterator filtersIterator = filters.iterator();
			if (andFilters) {
				Collection matching = new HashSet();
				while (filtersIterator.hasNext()) {
					computeMarkers(matching, subMonitor,