Mark script kinds as private in the service protocol.

runtime/observatory/lib/src/service/object.dart

 // Copyright (c) 2014, 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 service;
 
 /// An RpcException represents an exceptional event that happened
 /// while invoking an rpc.
 abstract class RpcException implements Exception {
   RpcException(this.message);
@@ skipping 2230 matching lines @@
   int tokenToLine(int token) => _tokenToLine[token];
   Map _tokenToLine = {};
 
   /// This function maps a token position to a column number.
   int tokenToCol(int token) => _tokenToCol[token];
   Map _tokenToCol = {};
 
   void _update(ObservableMap map, bool mapIsRef) {
     _upgradeCollection(map, isolate);
     uri = map['uri'];
-    kind = map['kind'];
+    kind = map['_kind'];
     _shortUri = uri.substring(uri.lastIndexOf('/') + 1);
     name = _shortUri;
     vmName = uri;
     if (mapIsRef) {
       return;
     }
     _loaded = true;
     lineOffset = map['lineOffset'];
     columnOffset = map['columnOffset'];
     _parseTokenPosTable(map['tokenPosTable']);
@@ skipping 892 matching lines @@
     var v = list[i];
     if ((v is ObservableMap) && _isServiceMap(v)) {
       list[i] = owner.getFromMap(v);
     } else if (v is ObservableList) {
       _upgradeObservableList(v, owner);
     } else if (v is ObservableMap) {
       _upgradeObservableMap(v, owner);
     }
   }
 }