Bug 110998 [Problems] Remove the working set selection and switch to using global working sets
M2 We need to remove the working sets option in the filter and switch to using the current list of working sets. We should move this to a preference that says only "Use Working Sets"
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerFilter.java
private IResource[] focusResource;
	private Set cachedWorkingSet;
	
	private String name;
	/**
	 * Create a new instance of the receiver.
	 * 
	 * @param filterName
	 *            The human readable name for the filter
	 * @param rootTypes
	 *            The types this filter will be applied to
	 */
	MarkerFilter(String filterName, String[] rootTypes) {
		name = filterName;
		typesModel = new MarkerTypesModel();
		for (int i = 0; i < rootTypes.length; i++) {
			MarkerType type = typesModel.getType(rootTypes[i]);
			if (!this.rootTypes.contains(type))
				this.rootTypes.add(type);
		}
		resetState();
	}
	/**
	 * List all types known to this MarkerFilter.
	 * 
	 * @param types
	 *            list to be filled in with types
	 */
	public void addAllSubTypes(List types) {
		for (int i = 0; i < rootTypes.size(); i++) {