Revert r23380, some browser tests fail.

tests/language/static_closure_identical_test.dart

Index: tests/language/static_closure_identical_test.dart
===================================================================
--- tests/language/static_closure_identical_test.dart	(revision 23381)
+++ tests/language/static_closure_identical_test.dart	(working copy)
@@ -1,17 +0,0 @@
-// Copyright (c) 2013, 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.
-
-import "package:expect/expect.dart";
-
-var foo = main;
-
-main() {
-  Expect.equals(main, main);
-  Expect.identical(main, main);
-  Expect.equals(main.hashCode, main.hashCode);
-
-  Expect.equals(main, foo);
-  Expect.identical(main, foo);
-  Expect.equals(main.hashCode, foo.hashCode);
-}