dart:io | Add SecureSocket.importPrivateCertificates, that reads a PKCS#12 file.

runtime/bin/secure_socket_patch.dart

Index: runtime/bin/secure_socket_patch.dart
diff --git a/runtime/bin/secure_socket_patch.dart b/runtime/bin/secure_socket_patch.dart
index 96d6565ae21e6e4bd5d4b07cac47f952badedd23..e4dcf84225891c2d04788e1b8b567b37f34c5444 100644
--- a/runtime/bin/secure_socket_patch.dart
+++ b/runtime/bin/secure_socket_patch.dart
@@ -8,12 +8,24 @@ patch class SecureSocket {
 
   /* patch */ static void initialize({String database,
                                       String password,
-                                      bool useBuiltinRoots: true})
+                                      bool useBuiltinRoots: true,
+                                      bool readOnly: true})
       native "SecureSocket_InitializeLibrary";
 
   /* patch */ static X509Certificate addCertificate(List<int> certificate,
                                                     String trust)
       native "SecureSocket_AddCertificate";
+
+  /* patch */ static importPrivateCertificates(List<int> certificates,
+                                               String password)
+      native "SecureSocket_ImportPrivateCertificates";
+
+  /* patch */ static X509Certificate changeTrust(String nicknameOrDN,
+                                                 String trust)
+      native "SecureSocket_ChangeTrust";
+
+  /* patch */ static removeCertificate(String nicknameOrDN)
+      native "SecureSocket_RemoveCertificate";
 }