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
operationInProgress = false;
	}
}
/**
 * Sets or clears the message displayed in this window's status
 * line (if it has one). This method has no effect if the
 * window does not have a status line.
 *
 * @param message the status message, or <code>null</code> to clear it
 */
public void setStatus(String message) {
	if (statusLineManager != null) {
		statusLineManager.setMessage(message);
	}
}
/**
 * Returns whether or not children exist for the Application Window's
 * toolbar control.
 * <p>
 * @return boolean true if children exist, false otherwise
 */
protected boolean toolBarChildrenExist() {
	Control toolControl = getToolBarControl();
	if (toolControl instanceof ToolBar) {
		return ((ToolBar)toolControl).getItemCount() > 0;
	}
	return false;
}
}