Remove LibraryMirror.topLevelMembers.

tests/lib/mirrors/mirrors_reader.dart

 // Copyright (c) 2014, 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 LICESNE file.
 
 library mirrors.reader;
 
 import 'dart:mirrors';
 import 'mirrors_visitor.dart';
 
 class ReadError {
@@ skipping 173 matching lines @@
         visit(mirror, 'hasReflectee', () => mirror.hasReflectee);
     if (hasReflectee) {
       visit(mirror, 'reflectee', () => mirror.reflectee);
     }
     visit(mirror, 'type', () => mirror.type);
   }
 
   visitLibraryMirror(LibraryMirror mirror) {
     super.visitLibraryMirror(mirror);
     visit(mirror, 'declarations', () => mirror.declarations);
-    visit(mirror, 'topLevelMembers', () => mirror.topLevelMembers);
     visit(mirror, 'uri', () => mirror.uri);
   }
 
   visitMethodMirror(MethodMirror mirror) {
     super.visitMethodMirror(mirror);
     visit(mirror, 'constructorName', () => mirror.constructorName);
     visit(mirror, 'isAbstract', () => mirror.isAbstract);
     visit(mirror, 'isConstConstructor', () => mirror.isConstConstructor);
     visit(mirror, 'isConstructor', () => mirror.isConstructor);
     visit(mirror, 'isFactoryConstructor',
@@ skipping 49 matching lines @@
   }
 
   visitVariableMirror(VariableMirror mirror) {
     super.visitVariableMirror(mirror);
     visit(mirror, 'isConst', () => mirror.isConst);
     visit(mirror, 'isFinal', () => mirror.isFinal);
     visit(mirror, 'isStatic', () => mirror.isStatic);
     visit(mirror, 'type', () => mirror.type);
   }
 }