Converted Observatory isolate-summary element

runtime/observatory/tests/observatory_ui/mocks/objects/isolate.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 mocks;
 
 class IsolateRefMock implements M.IsolateRef {
   final String id;
   final int number;
   final String name;
 
   const IsolateRefMock({this.id: 'i-id', this.number, this.name: 'i-name'});
 }
 
 class IsolateMock implements M.Isolate {
   final String id;
   final int number;
   final String name;
   final DateTime startTime;
   final bool runnable;
+  final Iterable<M.LibraryRef> libraries;
+  final M.Error error;
+  final Iterable<String> extensionRPCs;
+  final Map counters;
+  final M.HeapSpace newSpace;
+  final M.HeapSpace oldSpace;
 
   const IsolateMock({this.id: 'i-id', this.number, this.name: 'i-name',
-                     this.startTime, this.runnable: true});
+                     this.startTime, this.runnable: true,
+                     this.libraries: const [], this.error,
+                     this.extensionRPCs: const [], this.counters: const {},
+                     this.newSpace: const HeapSpaceMock(),
+                     this.oldSpace: const HeapSpaceMock()});
   // TODO(cbernaschina) add other properties.
 }