[vala] webkit2gtk-4.0: Update to 2.31.90

[Rico Tzschichholz <ricotz src gnome org>]

commit af3c4ef2e18d68baa0c037487e60be02e8896375
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sat Feb 27 17:04:50 2021 +0100

    webkit2gtk-4.0: Update to 2.31.90

 vapi/webkit2gtk-4.0.vapi | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/vapi/webkit2gtk-4.0.vapi b/vapi/webkit2gtk-4.0.vapi
index e0d0412a0..8f8bc6212 100644
--- a/vapi/webkit2gtk-4.0.vapi
+++ b/vapi/webkit2gtk-4.0.vapi
@@ -471,6 +471,11 @@ namespace WebKit {
                public unowned WebKit.JavascriptResult @ref ();
                public void unref ();
        }
+       [CCode (cheader_filename = "webkit2/webkit2.h", type_id = 
"webkit_media_key_system_permission_request_get_type ()")]
+       public class MediaKeySystemPermissionRequest : GLib.Object, WebKit.PermissionRequest {
+               [CCode (has_construct_function = false)]
+               protected MediaKeySystemPermissionRequest ();
+       }
        [CCode (cheader_filename = "webkit2/webkit2.h", ref_function = "webkit_mime_info_ref", type_id = 
"webkit_mime_info_get_type ()", unref_function = "webkit_mime_info_unref")]
        [Compact]
        public class MimeInfo {
@@ -2009,6 +2014,9 @@ namespace WebKit {
        [CCode (cheader_filename = "webkit2/webkit2.h")]
        public static uint get_minor_version ();
        [CCode (cheader_filename = "webkit2/webkit2.h")]
+       [Version (since = "2.32")]
+       public static unowned string media_key_system_permission_get_name 
(WebKit.MediaKeySystemPermissionRequest request);
+       [CCode (cheader_filename = "webkit2/webkit2.h")]
        [Version (since = "2.24")]
        public static string? uri_for_display (string uri);
        [CCode (cheader_filename = "webkit2/webkit2.h")]