Bug 214137 [Markers] Unbound system filters should be bound to problems view.
In 3.3 we supported systemFilters which are not currently picked up by the problems view. We should pick these up for compatiblity.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/SeverityAndDescriptionFieldFilter.java
final static int SEVERITY_ERROR = 1 << IMarker.SEVERITY_ERROR;
	final static int SEVERITY_WARNING = 1 << IMarker.SEVERITY_WARNING;
	final static int SEVERITY_INFO = 1 << IMarker.SEVERITY_INFO;
	int selectedSeverities = SEVERITY_ERROR + SEVERITY_WARNING + SEVERITY_INFO;
	private static final String TAG_SELECTED_SEVERITIES = "selectedSeverities"; 
	/**
	 * Create a new instance of the receiver.
	 */
	public SeverityAndDescriptionFieldFilter() {
		super();
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.internal.provisional.views.markers.api.MarkerFieldFilter#select(org.eclipse.ui.internal.provisional.views.markers.api.MarkerItem)
	 */
	public boolean select(MarkerItem item) {
		IMarker marker = item.getMarker();
		if (marker == null)
			return false;
		int markerSeverity = item.getAttributeValue(IMarker.SEVERITY, -1);
		if (markerSeverity < 0)
			return false;
		
		if ((1 << markerSeverity & selectedSeverities) == 0)
			return false;
		return super.select(item);
	}
	/*