Create a ServiceObject for a socket

runtime/bin/vmservice/client/lib/src/elements/isolate_profile.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.
 
 library isolate_profile_element;
 
 import 'dart:html';
 import 'observatory_element.dart';
 import 'package:logging/logging.dart';
 import 'package:observatory/service.dart';
@@ skipping 172 matching lines @@
                           'rowColor4', 'rowColor5', 'rowColor6', 'rowColor7',
                           'rowColor8'];
     var index = (row.depth - 1) % colors.length;
     return colors[index];
   }
 
   @observable void toggleExpanded(Event e, var detail, Element target) {
     // We only want to expand a tree row if the target of the click is
     // the table cell (passed in as target) or the span containing the
     // expander symbol (#expand).
-    if ((e.target.id != 'expand') && (e.target != target)) {
+    var eventTarget = e.target;
+    if ((eventTarget.id != 'expand') && (e.target != target)) {
       // Target of click was not the expander span or the table cell.
       return;
     }
     var row = target.parent;
     if (row is TableRowElement) {
       // Subtract 1 to get 0 based indexing.
       try {
         tree.toggle(row.rowIndex - 1);
       }  catch (e, stackTrace) {
         Logger.root.warning('toggleExpanded', e, stackTrace);
       }
     }
   }
 }