Support for the ALPN extension of the TLS protocol for Client and Server

dart/runtime/bin/secure_socket_unsupported.cc

Index: dart/runtime/bin/secure_socket_unsupported.cc
diff --git a/dart/runtime/bin/secure_socket_unsupported.cc b/dart/runtime/bin/secure_socket_unsupported.cc
index f382425d7c09cfdd62eba1685e299ac2da34636a..ff7cce6399c90a04196d6e9727e6e888adbdd69a 100644
--- a/dart/runtime/bin/secure_socket_unsupported.cc
+++ b/dart/runtime/bin/secure_socket_unsupported.cc
@@ -41,6 +41,13 @@ void FUNCTION_NAME(SecureSocket_Handshake)(Dart_NativeArguments args) {
 }
 
 
+void FUNCTION_NAME(SecureSocket_GetSelectedProtocol)(
+    Dart_NativeArguments args) {
+  Dart_ThrowException(DartUtils::NewDartArgumentError(
+      "Secure Sockets unsupported on this platform"));
+}
+
+
 void FUNCTION_NAME(SecureSocket_RegisterHandshakeCompleteCallback)(
     Dart_NativeArguments args) {
   Dart_ThrowException(DartUtils::NewDartArgumentError(