Revert "Add support for the new function-type syntax."

pkg/compiler/lib/src/resolution/constructors.dart

Index: pkg/compiler/lib/src/resolution/constructors.dart
diff --git a/pkg/compiler/lib/src/resolution/constructors.dart b/pkg/compiler/lib/src/resolution/constructors.dart
index 740cdcbb497e54eac49cdd4bf9cfa3bde8649ac7..90964c872c6d3f916a571306d9810ccc8e906fbe 100644
--- a/pkg/compiler/lib/src/resolution/constructors.dart
+++ b/pkg/compiler/lib/src/resolution/constructors.dart
@@ -618,7 +618,7 @@ class ConstructorResolver extends CommonResolverVisitor<ConstructorResult> {
     return result;
   }
 
-  ConstructorResult visitNominalTypeAnnotation(NominalTypeAnnotation node) {
+  ConstructorResult visitTypeAnnotation(TypeAnnotation node) {
     // This is not really resolving a type-annotation, but the name of the
     // constructor. Therefore we allow deferred types.
     ResolutionDartType type = resolver.resolveTypeAnnotation(node,