Get rid of all the library tags.

lib/src/copy/io_sink.dart

 // Copyright (c) 2015, 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.
 
 // The following code is copied from sdk/lib/io/io_sink.dart. The "dart:io"
 // implementation isn't used directly to support non-"dart:io" applications.
 //
 // Because it's copied directly, only modifications necessary to support the
 // desired public API and to remove "dart:io" dependencies have been made.
 //
 // This is up-to-date as of sdk revision
 // 86227840d75d974feb238f8b3c59c038b99c05cf.
-library http_parser.copy.io_sink;
-
 import 'dart:async';
 
 class StreamSinkImpl<T> implements StreamSink<T> {
   final StreamConsumer<T> _target;
   Completer _doneCompleter = new Completer();
   Future _doneFuture;
   StreamController<T> _controllerInstance;
   Completer _controllerCompleter;
   bool _isClosed = false;
   bool _isBound = false;
@@ skipping 113 matching lines @@
                   // No new stream. No need to close target, as it have already
                   // failed.
                   _completeDoneError(error, stackTrace);
                 }
               });
     }
     return _controllerInstance;
   }
 }