Converted Observatory objectstore-view element

runtime/observatory/lib/src/models/objects/objectstore.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.
 
 part of models;
 
-abstract class Ports {
-  Iterable<Port> get elements;
+abstract class ObjectStore {
+  Iterable<NamedField> get fields;
 }
 
-abstract class Port {
+abstract class NamedField {
   String get name;
-  ObjectRef get handler;
+  ObjectRef get value;
 }