Handle list and map literals

tests/compiler/dart2js/type_variable_occurrence_test.dart

Index: tests/compiler/dart2js/type_variable_occurrence_test.dart
diff --git a/tests/compiler/dart2js/type_variable_occurrence_test.dart b/tests/compiler/dart2js/type_variable_occurrence_test.dart
index 04d3ffdfcca7f9b39b27a20a8e36b959acaccc6d..11b73b261571f575fb2ee7ec6f71b2ea71785d84 100644
--- a/tests/compiler/dart2js/type_variable_occurrence_test.dart
+++ b/tests/compiler/dart2js/type_variable_occurrence_test.dart
@@ -4,11 +4,13 @@
 
 library type_variable_occurrence_test;
 
+import 'package:async_helper/async_helper.dart';
+import 'package:compiler/src/elements/elements.dart' show ClassElement;
+import 'package:compiler/src/elements/resolution_types.dart';
+import 'package:compiler/src/elements/types.dart';
 import 'package:expect/expect.dart';
-import "package:async_helper/async_helper.dart";
+
 import 'type_test_helper.dart';
-import 'package:compiler/src/elements/resolution_types.dart';
-import "package:compiler/src/elements/elements.dart" show Element, ClassElement;
 
 void main() {
   testTypeVariableOccurrence();
@@ -61,10 +63,10 @@ testTypeVariableOccurrence() {
               memberType.typeVariableOccurrence;
           if (expectResult) {
             Expect.isNotNull(typeVariable);
-            Expect.equals(A, Types.getClassContext(memberType));
+            Expect.equals(A, DartTypes.getClassContext(memberType));
           } else {
             Expect.isNull(typeVariable);
-            Expect.isNull(Types.getClassContext(memberType));
+            Expect.isNull(DartTypes.getClassContext(memberType));
           }
         }