Converted Observatory isolate-nav-menu element

runtime/observatory/lib/mocks.dart

Index: runtime/observatory/lib/mocks.dart
diff --git a/tests/language/regress_25609_lib1.dart b/runtime/observatory/lib/mocks.dart
similarity index 61%
copy from tests/language/regress_25609_lib1.dart
copy to runtime/observatory/lib/mocks.dart
index 98fdb207d90e4ceda60a2078ee301a25e6fb6f89..31f36454b20b571f7aef6294804ac5850df37486 100644
--- a/tests/language/regress_25609_lib1.dart
+++ b/runtime/observatory/lib/mocks.dart
@@ -2,9 +2,9 @@
 // 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 regress_25609_lib1;
+library mocks;
 
-import 'regress_25609_lib2.dart';
-
-typedef Bar Foo(int y);
+import 'package:observatory/models.dart' as M;
 
+part 'src/mocks/objects/event.dart';
+part 'src/mocks/objects/isolate.dart';