Change Link to List in FunctionSignature.

pkg/compiler/lib/src/universe/universe.dart

Index: pkg/compiler/lib/src/universe/universe.dart
diff --git a/pkg/compiler/lib/src/universe/universe.dart b/pkg/compiler/lib/src/universe/universe.dart
index c1ad13fc1cd8fdc31f2862a321c4bf915ead235d..efa10aab43ca13e9dc458c0a9a50405cb35f7059 100644
--- a/pkg/compiler/lib/src/universe/universe.dart
+++ b/pkg/compiler/lib/src/universe/universe.dart
@@ -452,7 +452,8 @@ class CallStructure {
     // TODO(ngeoffray): Should the resolver do it instead?
     List<String> namedParameters;
     if (signature.optionalParametersAreNamed) {
-      namedParameters = signature.optionalParameters.mapToList((e) => e.name);
+      namedParameters =
+          signature.optionalParameters.map((e) => e.name).toList();
     }
     CallStructure callStructure =
         new CallStructure(signature.parameterCount, namedParameters);