Show override indicator.

compiler/java/com/google/dart/compiler/resolver/Elements.java

Index: compiler/java/com/google/dart/compiler/resolver/Elements.java
diff --git a/compiler/java/com/google/dart/compiler/resolver/Elements.java b/compiler/java/com/google/dart/compiler/resolver/Elements.java
index b936eaebbb21e7f49af43dcab073fa6697055709..871634aab879fbe1427802486635680b0bc880d6 100644
--- a/compiler/java/com/google/dart/compiler/resolver/Elements.java
+++ b/compiler/java/com/google/dart/compiler/resolver/Elements.java
@@ -191,11 +191,14 @@ public class Elements {
                                                            constructorType);
   }
 
-  @VisibleForTesting
   public static void setType(Element element, Type type) {
     ((AbstractNodeElement) element).setType(type);
   }
 
+  public static void setOverridden(MethodElement methodElement, Set<Element> overridden) {
+    ((MethodElementImplementation) methodElement).setOverridden(overridden);
+  }
+
 static FieldElementImplementation fieldFromNode(DartField node,
                                                   EnclosingElement holder,
                                                   Modifiers modifiers) {