Revert "Remaining private libs"

sdk/lib/convert/converter.dart

 // Copyright (c) 2013, 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 "dart:convert";
+part of "convert.dart";
 
 /**
  * A [Converter] converts data from one representation into another.
  *
  * It is recommended that implementations of `Converter` extend this class,
  * to inherit any further methods that may be added to the class.
  */
 abstract class Converter<S, T> implements StreamTransformer<S, T> {
   const Converter();
 
@@ skipping 39 matching lines @@
   final Converter<M, T> _second;
 
   _FusedConverter(this._first, this._second);
 
   T convert(S input) => _second.convert(_first.convert(input));
 
   Sink/*<S>*/ startChunkedConversion(Sink/*<T>*/ sink) {
     return _first.startChunkedConversion(_second.startChunkedConversion(sink));
   }
 }