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/window/ApplicationWindow.java
* Does nothing if it already has one.
 * This method must be called before this window's shell is created.
 */
protected void addStatusLine() {
	if ((getShell() == null) && (statusLineManager == null)) {
		statusLineManager = createStatusLineManager();
	}
}
/**
 * Configures this window to have a tool bar.
 * Does nothing if it already has one.
 * This method must be called before this window's shell is created.
 */
protected void addToolBar(int style) {
	if ((getShell() == null) && (toolBarManager == null)) {
		toolBarManager = createToolBarManager(style);
	}
}
/* (non-Javadoc)
 * Method declared on Window.
 */ 
protected void handleShellCloseEvent() {
	if(operationInProgress)
		return;
	super.handleShellCloseEvent();
}
/* (non-Javadoc)
 * Method declared on Window.
 */
public boolean close() {