Converted Observatory isolate-nav-menu element

runtime/observatory/lib/src/mocks/objects/isolate.dart

Index: runtime/observatory/lib/src/mocks/objects/isolate.dart
diff --git a/runtime/observatory/lib/src/mocks/objects/isolate.dart b/runtime/observatory/lib/src/mocks/objects/isolate.dart
new file mode 100644
index 0000000000000000000000000000000000000000..9f5ba8048a6b76ff929dcde9fed5b169fdeeaee9
--- /dev/null
+++ b/runtime/observatory/lib/src/mocks/objects/isolate.dart
@@ -0,0 +1,25 @@
+// 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, this.number, this.name});
+}
+
+class IsolateMock implements M.Isolate {
+  final String id;
+  final int number;
+  final String name;
+  final DateTime startTime;
+  final bool runnable;
+
+  const IsolateMock({this.id, this.number, this.name, this.startTime,
+      this.runnable});
+  // TODO(cbernaschina) add other properties.
+}