Converted Observatory script-inset & source-inset elements

runtime/observatory/lib/src/repositories/eval.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 repositories;
 
-class RetainedSizeRepository implements M.RetainedSizeRepository {
-
-  Future<M.Guarded<M.Instance>> get(M.IsolateRef i, String id) async {
+class EvalRepository extends M.EvalRepository {
+  Future<M.ObjectRef> evaluate(M.IsolateRef i, M.ObjectRef o, String e) async {
     S.Isolate isolate = i as S.Isolate;
+    S.ServiceObject object = o as S.HeapObject;
     assert(isolate != null);
-    final response = await isolate.invokeRpc('_getRetainedSize', {
-        'targetId' : id
-    });
-    return new S.Guarded<S.Instance>(response);
+    assert(object != null);
+    assert(e != null);
+    return (await isolate.eval(object, e)) as M.ObjectRef;
   }
 }