Adds SecurityContext.usePrivateKeyBytes

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 c104dbaf545f197ae818ba0c0476d369ccc9b9ae..ff24c00aa6ccb6bed675a692a99f05822ab5dab7 100644
--- a/tests/standalone/io/secure_server_client_certificate_test.dart
+++ b/tests/standalone/io/secure_server_client_certificate_test.dart
@@ -11,19 +11,20 @@ import "package:expect/expect.dart";
 InternetAddress HOST;
 
 String localFile(path) => Platform.script.resolve(path).toFilePath();
+List<int> readLocalFile(path) => (new File(localFile(path))).readAsBytesSync();
 
 SecurityContext serverContext = new SecurityContext()
   ..useCertificateChain(localFile('certificates/server_chain.pem'))
-  ..usePrivateKey(localFile('certificates/server_key.pem'),
-      password: 'dartdart')
+  ..usePrivateKeyBytes(readLocalFile('certificates/server_key.pem'),
+                       password: 'dartdart')
   ..setTrustedCertificates(file: localFile('certificates/client_authority.pem'))
   ..setClientAuthorities(localFile('certificates/client_authority.pem'));
 
 SecurityContext clientCertContext = new SecurityContext()
   ..setTrustedCertificates(file: localFile('certificates/trusted_certs.pem'))
   ..useCertificateChain(localFile('certificates/client1.pem'))
-  ..usePrivateKey(localFile('certificates/client1_key.pem'),
-      password: 'dartdart');
+  ..usePrivateKeyBytes(readLocalFile('certificates/client1_key.pem'),
+                                     password: 'dartdart');
 
 SecurityContext clientNoCertContext = new SecurityContext()
   ..setTrustedCertificates(file: localFile('certificates/trusted_certs.pem'));