Removed const from classes arrays in Observatory

runtime/observatory/lib/src/elements/isolate/shared_summary.dart

 // Copyright (c) 2016, 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.
 
 import 'dart:html';
 import 'dart:async';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/utils.dart';
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
@@ skipping 39 matching lines @@
   }
 
   void render() {
     final newHeapUsed = Utils.formatSize(_isolate.newSpace.used);
     final newHeapCapacity = Utils.formatSize(_isolate.newSpace.capacity);
     final oldHeapUsed = Utils.formatSize(_isolate.oldSpace.used);
     final oldHeapCapacity = Utils.formatSize(_isolate.oldSpace.capacity);
     final content = [
       new DivElement()..classes = ['menu']
         ..children = [
-          new DivElement()..classes = const ['memberList']
+          new DivElement()..classes = ['memberList']
             ..children = [
-              new DivElement()..classes = const ['memberItem']
+              new DivElement()..classes = ['memberItem']
                 ..children = [
-                  new DivElement()..classes = const ['memberName']
+                  new DivElement()..classes = ['memberName']
                     ..text = 'new heap',
-                  new DivElement()..classes = const ['memberValue']
+                  new DivElement()..classes = ['memberValue']
                     ..text = '$newHeapUsed of $newHeapCapacity',
                 ],
-              new DivElement()..classes = const ['memberItem']
+              new DivElement()..classes = ['memberItem']
                 ..children = [
-                  new DivElement()..classes = const ['memberName']
+                  new DivElement()..classes = ['memberName']
                     ..text = 'old heap',
-                  new DivElement()..classes = const ['memberValue']
+                  new DivElement()..classes = ['memberValue']
                     ..text = '$oldHeapUsed of $oldHeapCapacity',
                 ]
             ],
           new BRElement(),
           new DivElement()
             ..children = [
               new SpanElement()..text = 'see ',
               new AnchorElement(href: Uris.debugger(_isolate))
                 ..text = 'debug'
             ],
@@ skipping 55 matching lines @@
             ..children = [
               new SpanElement()..text = 'see ',
               new AnchorElement(href: Uris.logging(_isolate))
                 ..text = 'logging'
             ]
       ],
       new IsolateCounterChartElement(_isolate.counters, queue: _r.queue)
     ];
     if (_isolate.error != null) {
       children = [
-        new PreElement()..classes = const ['errorBox']
+        new PreElement()..classes = ['errorBox']
           ..text = _isolate.error.message,
-        new DivElement()..classes = const ['summary']
+        new DivElement()..classes = ['summary']
           ..children = content
       ];
     } else {
       children = [
-        new DivElement()..classes = const ['summary']
+        new DivElement()..classes = ['summary']
           ..children = content
       ];
     }
   }
 }