Converted Observatory source-link & script-ref elements

runtime/observatory/lib/src/repositories/script.dart

Index: runtime/observatory/lib/src/repositories/script.dart
diff --git a/runtime/observatory/lib/src/repositories/script.dart b/runtime/observatory/lib/src/repositories/script.dart
new file mode 100644
index 0000000000000000000000000000000000000000..918de3599341f31982e7b7784431d150f456cd5b
--- /dev/null
+++ b/runtime/observatory/lib/src/repositories/script.dart
@@ -0,0 +1,15 @@
+// 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 repositories;
+
+class ScriptRepository implements M.ScriptRepository {
+  final S.Isolate isolate;
+
+  ScriptRepository(this.isolate);
+
+  Future<M.Script> get(String id) async {
+    return (await isolate.getObject(id)) as M.Script;
+  }
+}