Adds SecurityContext.usePrivateKeyBytes

tests/standalone/io/raw_secure_server_socket_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // VMOptions=
 // VMOptions=--short_socket_read
 // VMOptions=--short_socket_write
 // VMOptions=--short_socket_read --short_socket_write
 
 import "dart:async";
 import "dart:io";
 
 import "package:async_helper/async_helper.dart";
 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');
+  ..usePrivateKeyAsBytes(readLocalFile('certificates/server_key.pem'),
+                       password: 'dartdart');
 
 SecurityContext clientContext = new SecurityContext()
   ..setTrustedCertificates(file: localFile('certificates/trusted_certs.pem'));
 
 void testSimpleBind() {
   asyncStart();
   RawSecureServerSocket.bind(HOST, 0, serverContext).then((s) {
     Expect.isTrue(s.port > 0);
     s.close();
     asyncEnd();
@@ skipping 537 matching lines @@
   testSimpleConnect();
   SecurityContext context = new SecurityContext();
   testSimpleConnectFail(context, false);
   testSimpleConnectFail(context, true);
   var chain =
       Platform.script.resolve('certificates/untrusted_server_chain.pem')
       .toFilePath();
   context.useCertificateChain(chain);
   testSimpleConnectFail(context, false);
   testSimpleConnectFail(context, true);
-  var key =
-      Platform.script.resolve('certificates/untrusted_server_key.pem')
-       .toFilePath();
-  context.usePrivateKey(key, password: 'dartdart');
+  var key = 'certificates/untrusted_server_key.pem';
+  context.usePrivateKeyAsBytes(readLocalFile(key), password: 'dartdart');
   testSimpleConnectFail(context, false);
   testSimpleConnectFail(context, true);
   testServerListenAfterConnect();
 
   testSimpleReadWrite(listenSecure: true,
                       connectSecure: true,
                       handshakeBeforeSecure: false,
                       postponeSecure: false,
                       dropReads: false);
   testSimpleReadWrite(listenSecure: true,
@@ skipping 31 matching lines @@
   testSimpleReadWrite(listenSecure: false,
                       connectSecure: false,
                       handshakeBeforeSecure: true,
                       postponeSecure: true,
                       dropReads: true);
   testPausedSecuringSubscription(false, false);
   testPausedSecuringSubscription(true, false);
   testPausedSecuringSubscription(false, true);
   testPausedSecuringSubscription(true, true);
 }