Renamed StreamSink to EventSink. Renamed signalError to addError.

sdk/lib/io/secure_server_socket.dart

Index: sdk/lib/io/secure_server_socket.dart
diff --git a/sdk/lib/io/secure_server_socket.dart b/sdk/lib/io/secure_server_socket.dart
index 7a9b34d7c203a0088b3923b29556bd8c9b8f847a..bcbc731d4e72006b281e1a45ec735c9541840b4b 100644
--- a/sdk/lib/io/secure_server_socket.dart
+++ b/sdk/lib/io/secure_server_socket.dart
@@ -198,14 +198,14 @@ class RawSecureServerSocket extends Stream<RawSecureSocket> {
       if (_closed) {
         throw e;
       } else {
-        _controller.signalError(e);
+        _controller.addError(e);
         close();
       }
     });
   }
 
   void _onError(e) {
-    _controller.signalError(e);
+    _controller.addError(e);
     close();
   }