Add support for the new function-type syntax.

tests/compiler/dart2js/resolver_test.dart

Index: tests/compiler/dart2js/resolver_test.dart
diff --git a/tests/compiler/dart2js/resolver_test.dart b/tests/compiler/dart2js/resolver_test.dart
index f49f8e5186595789bb8cc280cc5be9e6ce21f01b..477e023280f32b152ffacdf081dea13cfee17f98 100644
--- a/tests/compiler/dart2js/resolver_test.dart
+++ b/tests/compiler/dart2js/resolver_test.dart
@@ -148,8 +148,11 @@ Future testTypeVariables() {
     VariableDefinitions definition = parseStatement(text);
     visitor.visit(definition.type);
     InterfaceType type = visitor.registry.mapping.getType(definition.type);
+    // TODO(floitsch): bad type here. Type is not necessarily a
+    // NominalTypeAnnotation.
+    NominalTypeAnnotation annotation = definition.type;
     Expect.equals(
-        definition.type.typeArguments.slowLength(), type.typeArguments.length);
+        annotation.typeArguments.slowLength(), type.typeArguments.length);
     int index = 0;
     for (DartType argument in type.typeArguments) {
       Expect.equals(true, index < expectedElements.length);
@@ -699,7 +702,8 @@ Future testTopLevelFields() {
     Expect.equals(ElementKind.FIELD, element.kind);
     VariableDefinitions node =
         element.variables.parseNode(element, compiler.parsingContext);
-    Identifier typeName = node.type.typeName;
+    NominalTypeAnnotation annotation = node.type;
+    Identifier typeName = annotation.typeName;
     Expect.equals(typeName.source, 'int');
 
     compiler.parseScript("var b, c;");