Adds SecurityContext.setTrustedCertificatesBytes

tests/standalone/io/secure_server_client_certificate_test.dart

Index: tests/standalone/io/secure_server_client_certificate_test.dart
diff --git a/tests/standalone/io/secure_server_client_certificate_test.dart b/tests/standalone/io/secure_server_client_certificate_test.dart
index 940ebf671f844477df9f9381a6fe24006dc3e4d0..85181449e790cf972f16163e1bde86edcd078c43 100644
--- a/tests/standalone/io/secure_server_client_certificate_test.dart
+++ b/tests/standalone/io/secure_server_client_certificate_test.dart
@@ -17,17 +17,20 @@ SecurityContext serverContext = new SecurityContext()
   ..useCertificateChainBytes(readLocalFile('certificates/server_chain.pem'))
   ..usePrivateKeyBytes(readLocalFile('certificates/server_key.pem'),
                        password: 'dartdart')
-  ..setTrustedCertificates(file: localFile('certificates/client_authority.pem'))
+  ..setTrustedCertificatesBytes(
+      readLocalFile('certificates/client_authority.pem'))
   ..setClientAuthorities(localFile('certificates/client_authority.pem'));
 
 SecurityContext clientCertContext = new SecurityContext()
-  ..setTrustedCertificates(file: localFile('certificates/trusted_certs.pem'))
+  ..setTrustedCertificatesBytes(
+      readLocalFile('certificates/trusted_certs.pem'))
   ..useCertificateChainBytes(readLocalFile('certificates/client1.pem'))
   ..usePrivateKeyBytes(readLocalFile('certificates/client1_key.pem'),
                                        password: 'dartdart');
 
 SecurityContext clientNoCertContext = new SecurityContext()
-  ..setTrustedCertificates(file: localFile('certificates/trusted_certs.pem'));
+  ..setTrustedCertificatesBytes(
+      readLocalFile('certificates/trusted_certs.pem'));
 
 Future testClientCertificate({bool required, bool sendCert}) async {
   var server = await SecureServerSocket.bind(HOST, 0, serverContext,