Dynamic host and port in vm-connect element

runtime/observatory/lib/src/elements/vm_connect_target.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:async';
 import 'dart:html';
 import 'package:observatory/models.dart' as M show Target;
 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';
 
 class TargetEvent {
   final M.Target target;
 
   TargetEvent(this.target);
 }
 
-class VMConnectTargetElement extends HtmlElement implements Renderable{
+class VMConnectTargetElement extends HtmlElement implements Renderable {
 
   static const tag =
     const Tag<VMConnectTargetElement>('vm-connect-target');
 
   RenderingScheduler<VMConnectTargetElement> _r;
 
   Stream<RenderedEvent<VMConnectTargetElement>> get onRendered => _r.onRendered;
 
   final StreamController<TargetEvent> _onConnect =
       new StreamController<TargetEvent>.broadcast();
@@ skipping 63 matching lines @@
 
   TargetEvent _toEvent(_) {
     return new TargetEvent(target);
   }
 
   static bool _filter(MouseEvent event) {
     return !(event.button > 0 || event.metaKey || event.ctrlKey ||
         event.shiftKey || event.altKey);
   }
 }