Bug 261164 [CommonNavigator] Add dynamic tracing for DnD
The options were put in, but the tracing was never actually hooked up.
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonDragAdapter.java
* extensions provided by the associated {@link INavigatorContentService}.
 * 
 * <p>
 * Clients should not need to create an instance of this class unless they are
 * creating their own custom viewer. Otherwise, {@link CommonViewer} configures
 * its drag adapter automatically.
 * </p> 
 * 
 * @see INavigatorDnDService
 * @see CommonDragAdapterAssistant
 * @see CommonDropAdapter
 * @see CommonDropAdapterAssistant
 * @see CommonViewer
 * @since 3.2
 * 
 */
public final class CommonDragAdapter extends DragSourceAdapter {
	private static final boolean DEBUG = false;
	private final INavigatorContentService contentService;
	private final ISelectionProvider provider;
	/**
	 * Create a DragAdapter that drives the configuration of the drag data.
	 * 
	 * @param aContentService
	 *            The content service this Drag Adapter is associated with
	 * @param aProvider
	 *            The provider that can give the current selection from the
	 *            appropriate viewer.
	 */
	public CommonDragAdapter(INavigatorContentService aContentService,