Only call script complete callback if scripting is enabled
Only call script complete callback if scripting is enabled

Achal-Aggarwal/hibbub,prepare/netsurf_libhubbub,adamwight/wmf-parsoid-libhubbub,Achal-Aggarwal/hibbub,Achal-Aggarwal/hibbub,adamwight/wmf-parsoid-libhubbub,servo/libhubbub,servo/libhubbub,servo/libhubbub,prepare/netsurf_libhubbub,adamwight/wmf-parsoid-libhubbub,servo/libhubbub,servo/libhubbub,prepare/netsurf_libhubbub,prepare/netsurf_libhubbub,adamwight/wmf-parsoid-libhubbub,prepare/netsurf_libhubbub,prepare/netsurf_libhubbub,Achal-Aggarwal/hibbub,adamwight/wmf-parsoid-libhubbub