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

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

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dart2js.resolution.constructors;
 
 import '../common.dart';
 import '../common/resolution.dart' show Resolution;
 import '../constants/constructors.dart'
     show
@@ skipping 600 matching lines @@
             null,
             element.name,
             MessageKind.NOT_A_TYPE,
             {'node': diagnosticNode});
       }
     }
     resolver.registry.setType(expression, result.type);
     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,
         malformedIsError: inConstContext,
         deferredIsMalformed: false,
         registerCheckedModeCheck: false);
     Send send = node.typeName.asSend();
     PrefixElement prefix;
     if (send != null) {
       // The type name is of the form [: prefix . identifier :].
@@ skipping 252 matching lines @@
     // constructors.
     return null;
   }
   // TODO(johnniwinther): Use [Name] for lookup.
   ConstructorElement constructor = cls.lookupConstructor(constructorName);
   if (constructor != null) {
     constructor = constructor.declaration;
   }
   return constructor;
 }