Bug 117360 [IDE] RefreshAction needs to remove reference to java.io.file
M3 RefreshAction needs to remove reference to java.io.file for the flexibile workspaces work
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/actions/RefreshAction.java
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
import org.eclipse.ui.internal.ide.IIDEHelpContextIds;
/**
 * Standard action for refreshing the workspace from the local file system for
 * the selected resources and all of their descendents.
 * <p>
 * This class may be instantiated; it is not intended to be subclassed.
 * </p>
 */
public class RefreshAction extends WorkspaceAction {
    /**
     * The id of this action.
     */
    public static final String ID = PlatformUI.PLUGIN_ID + ".RefreshAction";
    /**
     * Creates a new action.
     *
     * @param shell the shell for any dialogs
     */
    public RefreshAction(Shell shell) {
        super(shell, IDEWorkbenchMessages.RefreshAction_text);
        setToolTipText(IDEWorkbenchMessages.RefreshAction_toolTip);
        setId(ID);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(this,