Bug 29163 SafeRunnable needs to be accessible in JFace
We need to be able to access the SafeRunnable in JFace in order that some error protection can be added to preferences and properties dialogs.
bundles/org.eclipse.ui.workbench/extensions/org/eclipse/jface/wizard/WizardDialog.java
* Method declared on IWizardContainer.
 */
public IWizardPage getCurrentPage() {
	return currentPage;
}
/**
 * Returns the progress monitor for this wizard dialog (if it has one).
 *
 * @return the progress monitor, or <code>null</code> if
 *   this wizard dialog does not have one
 */
protected IProgressMonitor getProgressMonitor() {
	return progressMonitorPart;
}
/**
 * Returns the wizard this dialog is currently displaying.
 *
 * @return the current wizard
 */
protected IWizard getWizard() {
	return wizard;
}
/**
 * Closes this window.
 *
 * @return <code>true</code> if the window is (or was already) closed, 
 *   and <code>false</code> if it is still open
 */
private boolean hardClose() {