split out about scheme certificate viewer generator

content/fetchers/about/Makefile

@@ -1,6 +1,6 @@
 # about fetcher sources
 
-S_FETCHER_ABOUT := about.c imagecache.c blank.c
+S_FETCHER_ABOUT := about.c imagecache.c blank.c certificate.c
 
 # The following files depend on the testament
 content/fetchers/about/about.c: testament $(OBJROOT)/testament.h

content/fetchers/about/certificate.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2020 Vincent Sanders <vince@netsurf-browser.org>
+ *
+ * This file is part of NetSurf.
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * about scheme certificate handler interface
+ */
+
+#ifndef NETSURF_CONTENT_FETCHERS_ABOUT_CERTIFICATE_H
+#define NETSURF_CONTENT_FETCHERS_ABOUT_CERTIFICATE_H
+
+/**
+ * Handler to generate about scheme certificate page.
+ *
+ * \param ctx The fetcher context.
+ * \return true if handled false if aborted.
+ */
+bool fetch_about_certificate_handler(struct fetch_about_context *ctx);
+
+#endif

content/fetchers/about/private.h

@@ -56,4 +56,8 @@ nserror fetch_about_ssenddataf(struct fetch_about_context *ctx, const char *fmt,
  */
 bool fetch_about_send_finished(struct fetch_about_context *ctx);
 
+/**
+ */
+struct nsurl *fetch_about_get_url(struct fetch_about_context *ctx);
+
 #endif