Removed polymer & mirror from Observatory

runtime/observatory/lib/src/elements/logging_list.dart

 // Copyright (c) 2015, 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 logging_page;
-
 import 'dart:async';
 import 'dart:html';
 import 'package:logging/logging.dart';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
 import 'package:observatory/utils.dart';
 
 class LoggingListElement extends HtmlElement implements Renderable {
   static const tag = const Tag<LoggingListElement>('logging-list');
@@ skipping 58 matching lines @@
           new SpanElement()..classes = ['time']
             ..text = Utils.formatDateTime(logRecord['time']),
           new SpanElement()..classes = ['message']
             ..text = logRecord["message"].valueAsString
         ]
     ).toList();
   }
 
   bool _shouldBeVisible(Map record) => _level.compareTo(record['level']) <= 0;
 }