Restored vm-connect Observatory_UI tests

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 {
   static const tag = const Tag<VMConnectTargetElement>('vm-connect-target');
 
@@ skipping 43 matching lines @@
   void connect() {
     _connect(new TargetEvent(target));
   }
 
   void delete() {
     _delete(new TargetEvent(target));
   }
 
   void render() {
     children = [
-      new AnchorElement(href: Uris.vm())
+      new AnchorElement()
         ..text = current ? '${target.name} (Connected)' : '${target.name}'
         ..onClick.where(_filter).map(_toEvent).listen(_connect),
       new ButtonElement()
         ..text = '✖ Remove'
         ..classes = ['delete-button']
         ..onClick.map(_toEvent).listen(_delete)
     ];
   }
 
   void _connect(TargetEvent e) {
     _onConnect.add(e);
   }
 
   void _delete(TargetEvent e) {
     _onDelete.add(e);
   }
 
   TargetEvent _toEvent(_) {
     return new TargetEvent(target);
   }
 
   static bool _filter(MouseEvent event) {
     return !(event.button > 0 ||
         event.metaKey ||
         event.ctrlKey ||
         event.shiftKey ||
         event.altKey);
   }
 }