Adds SecurityContext.setTrustedCertificatesBytes

tests/standalone/io/regress_21160_test.dart

Index: tests/standalone/io/regress_21160_test.dart
diff --git a/tests/standalone/io/regress_21160_test.dart b/tests/standalone/io/regress_21160_test.dart
index cfeeb2e34587446ae7c5ff269e0273cbf974a01d..25d64e8606f35fae7ce65ce82eb497b73a1f5d96 100644
--- a/tests/standalone/io/regress_21160_test.dart
+++ b/tests/standalone/io/regress_21160_test.dart
@@ -11,15 +11,14 @@ import "dart:io";
 import "dart:typed_data";
 
 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');
 
 SecurityContext clientContext = new SecurityContext()
-  ..setTrustedCertificates(file: localFile('certificates/trusted_certs.pem'));
+  ..setTrustedCertificatesSync(localFile('certificates/trusted_certs.pem'));
 
 // 10 KiB of i%256 data.
 Uint8List DATA = new Uint8List.fromList(