Rolls back fix of SecurityContext method names.

tests/standalone/io/secure_session_resume_test.dart

Index: tests/standalone/io/secure_session_resume_test.dart
diff --git a/tests/standalone/io/secure_session_resume_test.dart b/tests/standalone/io/secure_session_resume_test.dart
index c4738f6e123bb610be02c01055f05cf8507245d9..15f2b0b988f0dafe9738fc2c5ba060ec634fe852 100644
--- a/tests/standalone/io/secure_session_resume_test.dart
+++ b/tests/standalone/io/secure_session_resume_test.dart
@@ -28,12 +28,12 @@ InternetAddress HOST;
 String localFile(path) => Platform.script.resolve(path).toFilePath();
 
 SecurityContext serverContext = new SecurityContext()
-  ..useCertificateChainSync(localFile('certificates/server_chain.pem'))
-  ..usePrivateKeySync(localFile('certificates/server_key.pem'),
-                      password: 'dartdart');
+  ..useCertificateChain(localFile('certificates/server_chain.pem'))
+  ..usePrivateKey(localFile('certificates/server_key.pem'),
+                  password: 'dartdart');
 
 SecurityContext clientContext = new SecurityContext()
-  ..setTrustedCertificatesSync(localFile('certificates/trusted_certs.pem'));
+  ..setTrustedCertificates(localFile('certificates/trusted_certs.pem'));
 
 Future<SecureServerSocket> startServer() {
   return SecureServerSocket.bind(HOST,