Bug 219483 [Markers] MarkerField needs to support font and colours
Some users want to be able to set the font and colour of an entry in the markers view. We should pass in a ViewerCell for this.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/ExtendedMarkersView.java
/**
	 * Return all of the marker items in the receiver that are concrete.
	 * 
	 * @return MarkerItem[]
	 */
	MarkerItem[] getAllConcreteItems() {
		MarkerItem[] elements = builder.getElements();
		Collection allMarkers = new ArrayList();
		for (int i = 0; i < elements.length; i++) {
			addAllConcreteItems(elements[i], allMarkers);
		}
		MarkerItem[] markers = new MarkerItem[allMarkers.size()];
		allMarkers.toArray(markers);
		return markers;
	}
	/**
	 * Get all of the filters for the receiver.
	 * 
	 * @return Collection of {@link MarkerFieldFilterGroup}
	 */
	Collection getAllFilters() {
		return builder.getAllFilters();
	}
	/**
	 * Return all of the markers in the receiver.
	 * 
	 * @return IMarker[]
	 */
	IMarker[] getAllMarkers() {
		MarkerItem[] elements = builder.getElements();