Bug 72615 [Viewers] Need and ITableFontProvider
We released an ITabelColorProvider for M2 - we should have a corresponding ITableFontProvider
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/StructuredViewer.java
* @param transferTypes
	 *            the transfer types that are supported by the drag operation
	 * @param listener
	 *            the callback that will be invoked to set the drag data and to
	 *            cleanup after the drag and drop operation finishes
	 * @see org.eclipse.swt.dnd.DND
	 */
	public void addDragSupport(int operations, Transfer[] transferTypes, DragSourceListener listener) {
		Control myControl = getControl();
		final DragSource dragSource = new DragSource(myControl, operations);
		dragSource.setTransfer(transferTypes);
		dragSource.addDragListener(listener);
	}
	/**
	 * Adds support for dropping items into this viewer via a user drag-and-drop
	 * operation.
	 * 
	 * @param operations
	 *            a bitwise OR of the supported drag and drop operation types (
	 *            <code>DROP_COPY</code>,<code>DROP_LINK</code>, and
	 *            <code>DROP_MOVE</code>)
	 * @param transferTypes
	 *            the transfer types that are supported by the drop operation
	 * @param listener
	 *            the callback that will be invoked after the drag and drop
	 *            operation finishes
	 * @see org.eclipse.swt.dnd.DND
	 */
	public void addDropSupport(int operations, Transfer[] transferTypes,
			final DropTargetListener listener) {