Bug 214492 [Markers] Need to be able to add filters to existing markers views
Currently you can only add filters to a new markerContentProvider. We need to able to bind them to existing markerContentProviders as well.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/TypeMarkerGroup.java
String typeId;
					try {
						typeId = marker.getType();
					} catch (CoreException e) {
						Util.log(e);
						return MarkerMessages.FieldCategory_Uncategorized;
					}
					MarkerType type = MarkerTypesModel.getInstance().getType(
							typeId);
					groupName = type.getLabel();
				}
				return groupName;
			}
			return Util.EMPTY_STRING;
		}
	}
	private String name;
	/**
	 * Create a new instance of the receiver.
	 * 
	 * @param name
	 */
	public TypeMarkerGroup(String name) {
		super(null);
		this.name = name;
	}
	/**
	 * Create the fields for the marker views.
	 */
	protected void createFields() {