Restyle Observatory Memory Dashboard buttons

runtime/observatory/lib/src/elements/memory/allocations.dart

 // Copyright (c) 2017, 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.
 
 /// This Element is part of MemoryDashboardElement.
 ///
 /// The Element is stripped down version of AllocationProfileElement where
 /// concepts like old and new space has been hidden away.
 ///
 /// For each class in the system it is shown the Total number of instances
@@ skipping 153 matching lines @@
     final resetAccumulators = new ButtonElement();
     return [
       new DivElement()
         ..classes = ['collection-item']
         ..children = [
           new SpanElement()
             ..classes = ['group']
             ..children = [
               new Text('Since Last '),
               resetAccumulators
-                ..text = 'Reset↺'
+                ..text = 'Reset'
                 ..title = 'Reset'
                 ..onClick.listen((_) async {
                   resetAccumulators.disabled = true;
                   await _refresh(reset: true);
                   resetAccumulators.disabled = false;
                 })
             ],
           new SpanElement()
             ..classes = ['group']
             ..text = 'Current'
@@ skipping 67 matching lines @@
 
   static int _getAccumulatedSize(M.ClassHeapStats s) =>
       s.newSpace.accumulated.bytes + s.oldSpace.accumulated.bytes;
   static int _getAccumulatedInstances(M.ClassHeapStats s) =>
       s.newSpace.accumulated.instances + s.oldSpace.accumulated.instances;
   static int _getCurrentSize(M.ClassHeapStats s) =>
       s.newSpace.current.bytes + s.oldSpace.current.bytes;
   static int _getCurrentInstances(M.ClassHeapStats s) =>
       s.newSpace.current.instances + s.oldSpace.current.instances;
 }