Converted Observatory function-view element

runtime/observatory/lib/src/repositories/function.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 ObjectStoreRepository implements M.ObjectStoreRepository {
-  Future<M.ObjectStore> get(M.IsolateRef i) async {
+class FunctionRepository extends M.FunctionRepository {
+  Future<M.Function> get(M.IsolateRef i, String id) async{
     S.Isolate isolate = i as S.Isolate;
     assert(isolate != null);
-    return isolate.getObjectStore();
+    return (await isolate.getObject(id)) as S.ServiceFunction;
   }
 }