LibWeb: Add {,de}serialization steps for DOMMatrixReadonly

Author: https://github.com/kennethmyhra
Commit: 181424377d
Pull-request: https://github.com/SerenityOS/serenity/pull/23538
Reviewed-by: https://github.com/ADKaster

Userland/Libraries/LibWeb/HTML/StructuredSerialize.cpp

@@ -35,6 +35,7 @@
 #include <LibWeb/Bindings/Transferable.h>
 #include <LibWeb/FileAPI/Blob.h>
 #include <LibWeb/FileAPI/File.h>
+#include <LibWeb/Geometry/DOMMatrixReadOnly.h>
 #include <LibWeb/HTML/MessagePort.h>
 #include <LibWeb/HTML/StructuredSerialize.h>
 #include <LibWeb/WebIDL/ExceptionOr.h>
@@ -963,6 +964,8 @@ private:
             return FileAPI::Blob::create(realm);
         if (interface_name == "File"sv)
             return FileAPI::File::create(realm);
+        if (interface_name == "DOMMatrixReadOnly"sv)
+            return Geometry::DOMMatrixReadOnly::create(realm);
 
         VERIFY_NOT_REACHED();
     }