Fix sample_extension_test on 64-bit macos.

runtime/bin/secure_socket_unsupported.cc

 // 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.
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
 
 #include "include/dart_api.h"
 
 
 namespace dart {
 namespace bin {
 
 void FUNCTION_NAME(SecureSocket_Init)(Dart_NativeArguments args) {
   Dart_EnterScope();
   Dart_ThrowException(DartUtils::NewDartArgumentError(
       "Secure Sockets unsupported on this platform"));
   Dart_ExitScope();
 }
 
 
 void FUNCTION_NAME(SecureSocket_Connect)(Dart_NativeArguments args) {
   Dart_EnterScope();
   Dart_ThrowException(DartUtils::NewDartArgumentError(
       "Secure Sockets unsupported on this platform"));
   Dart_ExitScope();
 }
 
 
+void FUNCTION_NAME(SecureSocket_AddCertificate)(Dart_NativeArguments args) {
+  Dart_EnterScope();
+  Dart_ThrowException(DartUtils::NewDartArgumentError(
+      "Secure Sockets unsupported on this platform"));
+  Dart_ExitScope();
+}
+
+
 void FUNCTION_NAME(SecureSocket_Destroy)(Dart_NativeArguments args) {
   Dart_EnterScope();
   Dart_ThrowException(DartUtils::NewDartArgumentError(
       "Secure Sockets unsupported on this platform"));
   Dart_ExitScope();
 }
 
 
 void FUNCTION_NAME(SecureSocket_Handshake)(Dart_NativeArguments args) {
   Dart_EnterScope();
@@ skipping 64 matching lines @@
 
 
 void FUNCTION_NAME(SecureSocket_NewServicePort)(Dart_NativeArguments args) {
   Dart_EnterScope();
   Dart_ThrowException(DartUtils::NewDartArgumentError(
       "Secure Sockets unsupported on this platform"));
   Dart_ExitScope();
 }
 }  // namespace bin
 }  // namespace dart