Perform clean code of bundles/org.eclipse.ui.workbench

Author: eclipse-platform-bot

bundles/org.eclipse.ui.workbench/eclipseui/org/eclipse/ui/XMLMemento.java

@@ -46,9 +46,9 @@
  * @see IMemento
  */
 public final class XMLMemento implements IMemento {
-	private Document factory;
+	private final Document factory;
 
-	private Element element;
+	private final Element element;
 
 	/**
 	 * Creates a <code>Document</code> from the <code>Reader</code> and returns a