Wrapping leaf nodes in non polymer elements

runtime/observatory/lib/src/elements/vm_connect.dart

 // Copyright (c) 2014, 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.
 
 library vm_connect_element;
 
 import 'dart:convert';
 import 'dart:html';
 
 import 'observatory_element.dart';
-import 'package:observatory/app.dart';
 import 'package:observatory/elements.dart';
 import 'package:observatory/service_html.dart';
 import 'package:polymer/polymer.dart';
 
-void _connectToVM(ObservatoryApplication app, WebSocketVMTarget target) {
-  app.vm = new WebSocketVM(target);
-}
-
-@CustomTag('vm-connect-target')
-class VMConnectTargetElement extends ObservatoryElement {
-  @published WebSocketVMTarget target;
-
-  VMConnectTargetElement.created() : super.created();
-
-  bool get isCurrentTarget {
-    if (app.vm == null) {
-      return false;
-    }
-    return (app.vm as WebSocketVM).target == target;
-  }
-
-  void connectToVm(MouseEvent event, var detail, Element node) {
-    if (event.button > 0 || event.metaKey || event.ctrlKey ||
-        event.shiftKey || event.altKey) {
-      // Not a left-click or a left-click with a modifier key:
-      // Let browser handle.
-      return;
-    }
-    event.preventDefault();
-    WebSocketVM currentVM = app.vm;
-    if ((currentVM == null) ||
-        currentVM.isDisconnected ||
-        (currentVM.target != target)) {
-      _connectToVM(app, target);
-    }
-    var href = node.attributes['href'];
-    app.locationManager.go(href);
-  }
-
-  void deleteVm(MouseEvent event, var detail, Element node) {
-    app.targets.remove(target);
-  }
-}
-
 @CustomTag('vm-connect')
 class VMConnectElement extends ObservatoryElement {
   @published String standaloneVmAddress = '';
 
   VMConnectElement.created() : super.created() {
   }
 
   void _connect(WebSocketVMTarget target) {
-    _connectToVM(app, target);
+    app.vm = new WebSocketVM(target);
     app.locationManager.goForwardingParameters('/vm');
   }
 
   @override
   void attached() {
     super.attached();
     var fileInput = shadowRoot.querySelector('#crashDumpFile');
     fileInput.onChange.listen(_onCrashDumpFileChange);
   }
 
@@ skipping 21 matching lines @@
   _onCrashDumpFileChange(e) {
     var fileInput = shadowRoot.querySelector('#crashDumpFile');
     var reader = new FileReader();
     reader.readAsText(fileInput.files[0]);
     reader.onLoad.listen((_) {
       var crashDump = JSON.decode(reader.result);
       app.loadCrashDump(crashDump);
     });
   }
 }