Bug 176986 [Markers] Move tasks into the problems view
We should consider moving the tasks into the problem view as currently no one is using them in the tasks view. The main issue this could create is performance - problems change rapidly but tasks are generally pretty static and it may be a fair amount of extra time spent sorting them.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerSupportRegistry.java
public static final String PROBLEMS_GENERATOR = "org.eclipse.ui.ide.problemsGenerator"; 
	/**
	 * The id for the new markers view.
	 */
	public static final String MARKERS_ID = "org.eclipse.ui.ide.MarkersView"; 
	private static final String ATTRIBUTE_GENERATOR_ID = "generatorId"; 
	private static MarkerSupportRegistry singleton;
	
	private static Object creationLock = new Object();
	/**
	 * Get the instance of the registry.
	 * 
	 * @return MarkerSupportRegistry
	 */
	public static MarkerSupportRegistry getInstance() {
		if (singleton == null) {
			synchronized (creationLock) {
				if (singleton == null) {
					
					singleton = new MarkerSupportRegistry();
				}
			}
		}
		return singleton;
	}
	private Map registeredFilters = new HashMap();
	private Map markerGroups = new HashMap();
	private HashMap categories = new HashMap();
	private HashMap hierarchyOrders = new HashMap();
	private MarkerType rootType;