LibWeb: Make Cookie::Cookie transportable over IPC

Author: https://github.com/TobyAsE
Commit: 2c808958b9
Pull-request: https://github.com/SerenityOS/serenity/pull/15614
Reviewed-by: https://github.com/linusg ✅

Userland/Libraries/LibWeb/Cookie/Cookie.h

@@ -8,6 +8,7 @@
 
 #include <AK/String.h>
 #include <LibCore/DateTime.h>
+#include <LibIPC/Forward.h>
 
 namespace Web::Cookie {
 
@@ -31,3 +32,10 @@ struct Cookie {
 };
 
 }
+
+namespace IPC {
+
+bool encode(Encoder&, Web::Cookie::Cookie const&);
+ErrorOr<void> decode(Decoder&, Web::Cookie::Cookie&);
+
+}