Removed const from classes arrays in Observatory

runtime/observatory/lib/src/elements/objectpool_view.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 objectpool_view;
 
 import 'dart:async';
 import 'dart:html';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/src/elements/context_ref.dart';
@@ skipping 111 matching lines @@
           new NavIsolateMenuElement(_isolate, _events, queue: _r.queue),
           new NavMenuElement('instance', last: true, queue: _r.queue),
           new NavRefreshElement(queue: _r.queue)
               ..onRefresh.listen((e) async {
                 e.element.disabled = true;
                 _pool = await _pools.get(_isolate, _pool.id);
                 _r.dirty();
               }),
           new NavNotifyElement(_notifications, queue: _r.queue)
         ],
-      new DivElement()..classes = const ['content-centered-big']
+      new DivElement()..classes = ['content-centered-big']
         ..children = [
           new HeadingElement.h2()..text = 'Object Pool',
           new HRElement(),
           new ObjectCommonElement(_isolate, _pool, _retainedSizes,
                                   _reachableSizes, _references, _retainingPaths,
                                   _instances, queue: _r.queue),
           new HRElement(),
           new HeadingElement.h3()..text = 'entries (${_pool.entries.length})',
-          new DivElement()..classes = const ['memberList']
+          new DivElement()..classes = ['memberList']
             ..children = _pool.entries.map((entry)
-              => new DivElement()..classes = const ['memberItem']
+              => new DivElement()..classes = ['memberItem']
                 ..children = [
-                  new DivElement()..classes = const ['memberName',
+                  new DivElement()..classes = ['memberName',
                                                      'hexadecimal']
                     ..text = '[PP+0x${entry.offset.toRadixString(16)}]',
-                  new DivElement()..classes = const ['memberName']
+                  new DivElement()..classes = ['memberName']
                     ..children = _createEntry(entry)
                 ]).toList(),
           new HRElement(),
           new ViewFooterElement(queue: _r.queue)
         ]
     ];
   }
 
   List<Element> _createEntry(M.ObjectPoolEntry entry) {
     switch (entry.kind) {
       case  M.ObjectPoolEntryKind.object:
       return [
         anyRef(_isolate, entry.asObject, _instances, queue: _r.queue)
       ];
       case  M.ObjectPoolEntryKind.immediate:
       return [
         new SpanElement()
           ..text = 'Immediate 0x${entry.asInteger.toRadixString(16)}'
       ];
       case  M.ObjectPoolEntryKind.nativeEntry:
       return [
         new SpanElement()
           ..text = 'NativeEntry 0x${entry.asInteger.toRadixString(16)}'
       ];
     }
     throw new Exception('Unkown ObjectPoolEntryKind (${entry.kind})');
   }
 }