libsysprof-profile: implement polkit checking with libdex

Also, I no longer wish to try to maintain support for no-polkit. If there
is truly a system where that is something we want to support, we can bring
back the shims as a compile time alternative.

src/libsysprof-profile/sysprof-polkit-private.h

@@ -0,0 +1,34 @@
+/* sysprof-polkit-private.h
+ *
+ * Copyright 2023 Christian Hergert <chergert@redhat.com>
+ *
+ * This program 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#pragma once
+
+#include <gio/gio.h>
+#include <libdex.h>
+#include <polkit/polkit.h>
+
+G_BEGIN_DECLS
+
+DexFuture *_sysprof_polkit_authorize (GDBusConnection *connection,
+                                      const char      *policy,
+                                      PolkitDetails   *details,
+                                      gboolean         allow_user_interaction);
+
+G_END_DECLS