Remove LibraryMirror.topLevelMembers.

tests/lib/mirrors/toplevel_members_test.dart

-// 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.
-
-library test.toplevel_members;
-
-import 'dart:mirrors';
-import 'package:expect/expect.dart';
-
-import 'stringify.dart';
-import 'declarations_model.dart' as declarations_model;
-
-selectKeys(map, predicate) {
-  return map.keys.where((key) => predicate(map[key]));
-}
-
-main() {
-  LibraryMirror lm =
-      currentMirrorSystem().findLibrary(#test.declarations_model);
-
-  Expect.setEquals(
-    [#libraryVariable,
-     const Symbol('libraryVariable='),
-     #libraryGetter,
-     const Symbol('librarySetter='),
-     #libraryMethod,
-     MirrorSystem.getSymbol('_libraryVariable', lm),
-     MirrorSystem.getSymbol('_libraryVariable=', lm),
-     MirrorSystem.getSymbol('_libraryGetter', lm),
-     MirrorSystem.getSymbol('_librarySetter=', lm),
-     MirrorSystem.getSymbol('_libraryMethod', lm),
-     #Predicate,  /// 01: ok
-     #Superclass,  /// 01: continued
-     #Interface,  /// 01: continued
-     #Mixin,  /// 01: continued
-     #Class,  /// 01: continued
-     MirrorSystem.getSymbol('_PrivateClass', lm),  /// 01: continued
-     #ConcreteClass  /// 01: continued
-     ],
-    selectKeys(lm.topLevelMembers, (dm) => true));
-
-  Expect.setEquals(
-    [#libraryVariable,
-     const Symbol('libraryVariable='),
-     MirrorSystem.getSymbol('_libraryVariable', lm),
-     MirrorSystem.getSymbol('_libraryVariable=', lm),
-     #Predicate,  /// 01: continued
-     #Superclass,  /// 01: continued
-     #Interface,  /// 01: continued
-     #Mixin,  /// 01: continued
-     #Class,  /// 01: continued
-     MirrorSystem.getSymbol('_PrivateClass', lm),  /// 01: continued
-     #ConcreteClass  /// 01: continued
-     ],
-    selectKeys(lm.topLevelMembers, (dm) => dm.isSynthetic));
-}