diff -r 000000000000 -r 6474c204b198 security/manager/ssl/public/nsISSLCertErrorDialog.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/security/manager/ssl/public/nsISSLCertErrorDialog.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,39 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+interface nsIInterfaceRequestor;
+interface nsIX509Cert;
+interface nsISSLStatus;
+
+[scriptable, uuid(0729ce8e-8935-4989-ba72-a2d6307f2365)]
+interface nsISSLCertErrorDialog : nsISupports
+{
+  /**
+   *  Called when an SSL connection aborts because of a bad certificate,
+   *  and no other code is in place for reporting the problem.
+   *  Should bring up a dialog to inform the user and display the certificate.
+   *
+   *  @param status Might be used to query additional information
+   *  @param cert The certificate that this error is about
+   *  @param textErrorMessage An error message with whitespace formatting
+   *  @param htmlErrorMessage Optional, might either be empty,
+                              or might contain the same message as in
+                              textErrorMessage plus some html formatting.
+   *  @param hostName The error occurred when connecting to this hostName.
+   *  @param portNumber The error occurred when connecting to this portNumber.
+   */
+  void showCertError(in nsIInterfaceRequestor ctx, 
+                     in nsISSLStatus status,
+                     in nsIX509Cert cert,
+                     in AString textErrorMessage,
+                     in AString htmlErrorMessage,
+                     in ACString hostName,
+                     in uint32_t portNumber);
+};
+
+%{C++
+#define NS_SSLCERTERRORDIALOG_CONTRACTID "@mozilla.org/nsSSLCertErrorDialog;1"
+%}