Change generic comment syntax to real generic syntax.

lib/src/lazy_stream.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";
 
 import "stream_completer.dart";
 import "delegate/stream.dart";
 
 /// A [Stream] wrapper that forwards to another [Stream] that's initialized
@@ skipping 25 matching lines @@
 
     // Null out the callback before we invoke it to ensure that even while
     // running it, this can't be called twice.
     var callback = _callback;
     _callback = null;
     var result = callback();
 
     Stream<T> stream;
     if (result is Future) {
       stream = StreamCompleter.fromFuture(result.then((stream) {
-        return DelegatingStream.typed/*<T>*/(stream as Stream);
+        return DelegatingStream.typed<T>(stream as Stream);
       }));
     } else {
-      stream = DelegatingStream.typed/*<T>*/(result as Stream);
+      stream = DelegatingStream.typed<T>(result as Stream);
     }
 
     return stream.listen(onData,
         onError: onError, onDone: onDone, cancelOnError: cancelOnError);
   }
 }