Revert r12491

tests/language/first_class_types.dart

-// Copyright (c) 2012, 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.
-
-class C<T> {}
-
-sameType(a, b) {
-  Expect.isTrue(a.runtimeType() === b.runtimeType());
-}
-
-differentType(a, b) {
-  Expect.isFalse(a.runtimeType() === b.runtimeType());
-}
-
-main() {
-  var v1 = new C<int>();
-  var v2 = new C<int>();
-  sameType(v1, v2);
-
-  var v3 = new C<num>();
-  differentType(v1, v3);
-
-  var i = 1;
-  var s = 'string';
-  var d = 3.14;
-  sameType(2, i);
-  sameType('hest', s);
-  sameType(1.2, d);
-
-  var l = [1, 2, 3];
-  var m = {'a': 1, 'b': 2};
-  sameType([], l);
-  sameType({}, m);
-}