Added missing content to nav-top-menu

runtime/observatory/lib/src/elements/library_view.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 library_view_element;
 
 import 'dart:async';
 import 'dart:html';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/src/elements/class_ref.dart';
 import 'package:observatory/src/elements/curly_block.dart';
 import 'package:observatory/src/elements/eval_box.dart';
 import 'package:observatory/src/elements/field_ref.dart';
 import 'package:observatory/src/elements/function_ref.dart';
 import 'package:observatory/src/elements/helpers/any_ref.dart';
 import 'package:observatory/src/elements/helpers/nav_bar.dart';
-import 'package:observatory/src/elements/helpers/nav_menu.dart';
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
 import 'package:observatory/src/elements/library_ref.dart';
 import 'package:observatory/src/elements/nav/isolate_menu.dart';
 import 'package:observatory/src/elements/nav/library_menu.dart';
 import 'package:observatory/src/elements/nav/notify.dart';
 import 'package:observatory/src/elements/nav/refresh.dart';
 import 'package:observatory/src/elements/nav/top_menu.dart';
 import 'package:observatory/src/elements/nav/vm_menu.dart';
 import 'package:observatory/src/elements/object_common.dart';
@@ skipping 276 matching lines @@
         new SpanElement()..text = 'functions (${functions.length}) ',
         new CurlyBlockElement(queue: _r.queue)
           ..content = functions.map((f) =>
             new DivElement()..classes = ['indent']
               ..children = [
                 new FunctionRefElement(_isolate, f, queue: _r.queue)
               ]).toList()
       ];
   }
 }