Adds SecurityContext.setTrustedCertificatesBytes

tests/standalone/io/secure_unauthorized_client.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.
 
 // Client for secure_bad_certificate_test, that runs in a subprocess.
 // The test verifies that the client bad certificate callback works.
 
 import "dart:async";
 import "dart:io";
 
 String localFile(path) => Platform.script.resolve(path).toFilePath();
+List<int> readLocalFile(path) => (new File(localFile(path))).readAsBytesSync();
 
 SecurityContext clientContext = new SecurityContext()
-  ..setTrustedCertificates(file: localFile('certificates/trusted_certs.pem'));
+  ..setTrustedCertificatesBytes(readLocalFile('certificates/trusted_certs.pem'));
 
 class ExpectException implements Exception {
   ExpectException(this.message);
   String toString() => "ExpectException: $message";
   String message;
 }
 
 void expect(condition) {
   if (!condition) {
     throw new ExpectException('');
@@ skipping 14 matching lines @@
           }));
   }
   return Future.wait(testFutures);
 }
 
 
 void main(List<String> args) {
   runClients(int.parse(args[0]))
     .then((_) => print('SUCCESS'));
 }