Make core libraries use generic method syntax.

sdk/lib/convert/chunked_conversion.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;
 
 typedef void _ChunkedConversionCallback<T>(T accumulated);
 
 /// This class is deprecated. Extend [Converter] directly.
 @deprecated
@@ skipping 66 matching lines @@
   /** The output sink for the converter. */
   final EventSink<T> _eventSink;
 
   /**
    * The input sink for new data. All data that is received with
    * [handleData] is added into this sink.
    */
   final Sink<S> _chunkedSink;
 
   _ConverterStreamEventSink(
-      Converter/*=Converter<S, T>*/ converter,
+      Converter<S, T> converter,
       EventSink<T> sink)
       : this._eventSink = sink,
         _chunkedSink = converter.startChunkedConversion(sink);
 
   void add(S o) { _chunkedSink.add(o); }
   void addError(Object error, [StackTrace stackTrace]) {
     _eventSink.addError(error, stackTrace);
   }
   void close() { _chunkedSink.close(); }
 }