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
* post processing step.
	 * 
	 * @param registry
	 *            the MarkerSupportRegistry being used to initialise the
	 *            receiver.
	 */
	public void initializeFromConfigurationElement(
			MarkerSupportRegistry registry) {
		String categoryName = configurationElement
				.getAttribute(ATTRIBUTE_DEFAULT_MARKER_GROUPING);
		if (categoryName != null) {
			MarkerGroup group = registry.getMarkerGroup(categoryName);
			if (group != null)
				categoryGroup = group;
		}
		IConfigurationElement[] elements = configurationElement
				.getChildren(MARKER_FIELD_REFERENCE);
		Collection allFieldList = new ArrayList();
		Collection visibleFieldList = new ArrayList();
		for (int i = 0; i < elements.length; i++) {
			MarkerField field = registry.getField(elements[i]
					.getAttribute(MarkerSupportConstants.ATTRIBUTE_ID));
			if (field == null)
				continue;
			allFieldList.add(field);
			if (!VALUE_FALSE
					.equals(elements[i].getAttribute(ATTRIBUTE_VISIBLE)))
				visibleFieldList.add(field);
		}
		allFields = new MarkerField[allFieldList.size()];