Converted Observatory refs elements

runtime/observatory/lib/src/elements/class_ref_wrapper.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:html';
 
 import 'package:observatory/app.dart';
 import 'package:observatory/service_html.dart' show Class;
 import 'package:observatory/src/elements/class_ref.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
 import 'package:observatory/src/elements/shims/binding.dart';
 
 @bindable
 class ClassRefElementWrapper extends HtmlElement {
 
   static const binder = const Binder<ClassRefElementWrapper>(const {
       'ref': #ref
     });
 
   static const tag = const Tag<ClassRefElementWrapper>('class-ref');
 
   Class _class;
   Class get ref => _class;
-  void set ref(Class ref) { _class = ref; render(); }
+  void set ref(Class ref) {
+    _class = ref;
+    render();
+  }
 
   ClassRefElementWrapper.created() : super.created() {
     binder.registerCallback(this);
     createShadowRoot();
     render();
   }
 
   @override
   void attached() {
     super.attached();
@@ skipping 12 matching lines @@
         }
         class-ref-wrapped > a[href] {
             color: #0489c3;
             text-decoration: none;
         }''',
       new ClassRefElement(_class.isolate, _class,
           queue: ObservatoryApplication.app.queue)
     ];
   }
 }