Prepare to have more than one universe.

dart/lib/compiler/implementation/resolver.dart

Index: dart/lib/compiler/implementation/resolver.dart
diff --git a/dart/lib/compiler/implementation/resolver.dart b/dart/lib/compiler/implementation/resolver.dart
index a19aab2b8e8b0d56f601cca2403e2a37ecca6ffa..4809b77617ee1d61aba0a9167cf84ef700cf3312 100644
--- a/dart/lib/compiler/implementation/resolver.dart
+++ b/dart/lib/compiler/implementation/resolver.dart
@@ -1733,8 +1733,8 @@ class SignatureResolver extends CommonResolverVisitor<Element> {
     // Visit the value. The compile time constant handler will
     // make sure it's a compile time constant.
     resolveExpression(node.arguments.head);
-    // TODO(ahe): Do not call addToWorkList, and make sure that element isn't null.
-    if (element !== null) compiler.addToWorkList(element);
+    // TODO(ahe): Move this to codegen, and make sure that element isn't null.
+    if (element !== null) compiler.enqueuer.codegen.addToWorkList(element);
     return element;
   }