Adds SecurityContext.setTrustedCertificatesBytes

tests/standalone/io/secure_socket_renegotiate_test.dart

Index: tests/standalone/io/secure_socket_renegotiate_test.dart
diff --git a/tests/standalone/io/secure_socket_renegotiate_test.dart b/tests/standalone/io/secure_socket_renegotiate_test.dart
index 906bfd8b742312e7fc2afb740310057815162bae..7cc934682eab00962fd83ef5e59b60000b31c063 100644
--- a/tests/standalone/io/secure_socket_renegotiate_test.dart
+++ b/tests/standalone/io/secure_socket_renegotiate_test.dart
@@ -15,12 +15,11 @@ import "package:path/path.dart";
 
 const HOST_NAME = "localhost";
 String localFile(path) => Platform.script.resolve(path).toFilePath();
-List<int> readLocalFile(path) => (new File(localFile(path))).readAsBytesSync();
 
 SecurityContext serverContext = new SecurityContext()
-  ..useCertificateChainBytes(readLocalFile('certificates/server_chain.pem'))
-  ..usePrivateKeyBytes(readLocalFile('certificates/server_key.pem'),
-                         password: 'dartdart');
+  ..useCertificateChainSync(localFile('certificates/server_chain.pem'))
+  ..usePrivateKeySync(localFile('certificates/server_key.pem'),
+                      password: 'dartdart');
 
 Future<SecureServerSocket> runServer() {
   return SecureServerSocket.bind(HOST_NAME, 0, serverContext)