Converted Observatory cpu-profile element

runtime/observatory/tests/observatory_ui/vm_connect/element_test.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:html';
 import 'package:unittest/unittest.dart';
 import 'package:observatory/src/elements/nav/notify.dart';
 import 'package:observatory/src/elements/vm_connect_target.dart';
 import 'package:observatory/src/elements/vm_connect.dart';
 import '../mocks.dart';
 
 void load(_) {}
 
 main() {
@@ skipping 94 matching lines @@
       final e = new VMConnectElement(targets, load,
           new NotificationRepositoryMock());
       document.body.append(e);
       await e.onRendered.first;
       (e.querySelector(tTag) as VMConnectTargetElement).delete();
       e.remove();
       await e.onRendered.first;
     });
   });
 }