Add an OutputStream.closed getter.

tests/standalone/io/http_server_socket_test.dart

Index: tests/standalone/io/http_server_socket_test.dart
diff --git a/tests/standalone/io/http_server_socket_test.dart b/tests/standalone/io/http_server_socket_test.dart
index cbeaf8a32b6e03091351e89597d767e651b322ec..a4f4ae29f4899ef8b8f5617c46c67efa5a3776f4 100644
--- a/tests/standalone/io/http_server_socket_test.dart
+++ b/tests/standalone/io/http_server_socket_test.dart
@@ -34,6 +34,8 @@ class ExpectedDataOutputStream implements OutputStream {
     _socket.close(true);
   }
 
+  bool get closed() => _socket._closed;

[Søren Gjesse, 2012/08/08 11:49:15]

Not strictly needed here. It is never used and ExpectedDataOutputStream is
already missing other methods from OutputStream.

[nweiz, 2012/08/09 19:39:52]

Removed.

+
   void _onData(List<int> data) {
     // TODO(ajohnsen): To be removed, since the socket should not be written to
     //                 after close.