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
updateDirectionIndicator(column.getColumn(), markerField);
		}
		
		if (currentColumns.length > fields.length) {
			for (int i = fields.length; i < currentColumns.length; i++) {
				currentColumns[i].dispose();
			}
		}
		viewer.getTree().setLayout(layout);
		tree.setLinesVisible(true);
		tree.setHeaderVisible(true);
		tree.layout(true);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
	 */
	public void createPartControl(Composite parent) {
		parent.setLayout(new FillLayout());
		viewer = new MarkersTreeViewer(new Tree(parent, SWT.H_SCROLL
				| SWT.V_SCROLL | SWT.MULTI | SWT.FULL_SELECTION));
		viewer.getTree().setLinesVisible(true);
		viewer.setUseHashlookup(true);
		createColumns(new TreeColumn[0]);
		viewer.setContentProvider(getContentProvider());
		getSite().setSelectionProvider(viewer);
		viewer.setInput(builder);
		if (memento != null) {
			Scrollable scrollable = (Scrollable) viewer.getControl();