Make core libraries use generic method syntax.

sdk/lib/async/stream_controller.dart

 // Copyright (c) 2012, 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.async;
 
 // -------------------------------------------------------------------
 // Controller for creating and adding events to a stream.
 // -------------------------------------------------------------------
 
@@ skipping 762 matching lines @@
   }
 
   void _sendDone() {
     _subscription._close();
   }
 }
 
 abstract class _AsyncStreamControllerDispatch<T>
     implements _StreamController<T> {
   void _sendData(T data) {
-    _subscription._addPending(new _DelayedData<dynamic /*=T*/>(data));
+    _subscription._addPending(new _DelayedData<T>(data));
   }
 
   void _sendError(Object error, StackTrace stackTrace) {
     _subscription._addPending(new _DelayedError(error, stackTrace));
   }
 
   void _sendDone() {
     _subscription._addPending(const _DelayedDone());
   }
 }
@@ skipping 145 matching lines @@
   _StreamControllerAddStreamState(_StreamController<T> controller,
                                   this.varData,
                                   Stream source,
                                   bool cancelOnError)
       : super(controller, source, cancelOnError) {
     if (controller.isPaused) {
       addSubscription.pause();
     }
   }
 }