Change generic comment syntax to real generic syntax.

lib/src/delegate/stream_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.
 
 import 'dart:async';
 
 /// Simple delegating wrapper around a [StreamSink].
 ///
 /// Subclasses can override individual methods, or use this to expose only the
 /// [StreamSink] methods of a subclass.
 class DelegatingStreamSink<T> implements StreamSink<T> {
   final StreamSink _sink;
 
   Future get done => _sink.done;
 
   /// Create delegating sink forwarding calls to [sink].
   DelegatingStreamSink(StreamSink<T> sink) : _sink = sink;
 
   DelegatingStreamSink._(this._sink);
 
   /// Creates a wrapper that coerces the type of [sink].
   ///
   /// Unlike [new StreamSink], this only requires its argument to be an instance
   /// of `StreamSink`, not `StreamSink<T>`. This means that calls to [add] may
   /// throw a [CastError] if the argument type doesn't match the reified type of
   /// [sink].
-  static StreamSink/*<T>*/ typed/*<T>*/(StreamSink sink) =>
-      sink is StreamSink/*<T>*/ ? sink : new DelegatingStreamSink._(sink);
+  static StreamSink<T> typed<T>(StreamSink sink) => sink is StreamSink<T>
+      ? sink
+      : new DelegatingStreamSink._(sink);
 
   void add(T data) {
     _sink.add(data);
   }
 
   void addError(error, [StackTrace stackTrace]) {
     _sink.addError(error, stackTrace);
   }
 
   Future addStream(Stream<T> stream) => _sink.addStream(stream);
 
   Future close() => _sink.close();
 }