Format all remaining unformatted runtime files other than multitests.

runtime/observatory/lib/src/elements/sample_buffer_control.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.
 
 import 'dart:async';
 import 'dart:html';
 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/src/elements/helpers/uris.dart';
@@ skipping 205 matching lines @@
     if (!_profileVM) {
       values = const [M.SampleProfileTag.userOnly, M.SampleProfileTag.none];
     }
     var s;
     return [
       s = new SelectElement()
         ..classes = ['tag-select']
         ..value = tagToString(_tag)
         ..children = values.map((tag) {
           return new OptionElement(
-              value: tagToString(tag),
-              selected: _tag == tag)..text = tagToString(tag);
+              value: tagToString(tag), selected: _tag == tag)
+            ..text = tagToString(tag);
         }).toList(growable: false)
         ..onChange.listen((_) {
           _tag = values[s.selectedIndex];
         })
         ..onChange.map(_toEvent).listen(_triggerModeChange),
     ];
   }
 
   static String tagToString(M.SampleProfileTag tag) {
     switch (tag) {
@@ skipping 10 matching lines @@
     }
     throw new Exception('Unknown tagToString');
   }
 
   SampleBufferControlChangedElement _toEvent(_) {
     return new SampleBufferControlChangedElement(this);
   }
 
   void _triggerModeChange(e) => _onTagChange.add(e);
 }