Bug 139986 [CommonNavigator] Convert catch(Error/Throwable) to SafeRunner
In several places the CN framework uses catch(Error/Throwable) to ensure that code does not bring the framework down. Change these to use SafeRunner.
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonDropAdapter.java
import org.eclipse.swt.dnd.DropTargetEvent;
import org.eclipse.swt.dnd.FileTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.dnd.TransferData;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Item;
import org.eclipse.ui.internal.navigator.NavigatorPlugin;
import org.eclipse.ui.internal.navigator.Policy;
import org.eclipse.ui.internal.navigator.dnd.NavigatorPluginDropAction;
import org.eclipse.ui.part.PluginDropAdapter;
import org.eclipse.ui.part.PluginTransfer;
/**
 * Provides an implementation of {@link PluginDropAdapter} which uses the
 * 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 drop adapter automatically.
 * </p>
 *  
 * 
 * @see INavigatorDnDService
 * @see CommonDragAdapter
 * @see CommonDragAdapterAssistant
 * @see CommonDropAdapterAssistant
 * @see CommonViewer
 * @since 3.2
 */
public final class CommonDropAdapter extends PluginDropAdapter {