Add built-in root certificates to dart:io SecureSocket.

sdk/lib/_internal/compiler/implementation/lib/io_patch.dart

 // Copyright (c) 2012, 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.
 
 patch class _BufferUtils {
   patch static bool _isBuiltinList(List buffer) {
     throw new UnsupportedError("_isBuiltinList");
   }
 }
 
@@ skipping 153 matching lines @@
   patch factory ServerSocket(String bindAddress, int port, int backlog) {
     return new _ServerSocket(bindAddress, port, backlog);
   }
 }
 
 patch class Socket {
   patch factory Socket(String host, int port) => new _Socket(host, port);
 }
 
 patch class SecureSocket {
-  patch static void setCertificateDatabase(String certificateDatabase,
-                                           [String password]) {
+  patch static void initialize({String database,
+                                String password,
+                                bool useBuiltinRoots: true}) {
     throw new UnsupportedError("SecureSocket.setCertificateDatabase");
   }
 }
 
 patch class _SecureFilter {
   patch factory _SecureFilter() {
     throw new UnsupportedError("_SecureFilter._SecureFilter");
   }
 }
 
 patch class _StdIOUtils {
   patch static _getStdioHandle(Socket socket, int num) {
     throw new UnsupportedError("StdIOUtils._getStdioHandle");
   }
   patch static _getStdioHandleType(int num) {
     throw new UnsupportedError("StdIOUtils._getStdioHandleType");
   }
 }