Function cef_parse_json_buffer 

pub unsafe extern "C" fn cef_parse_json_buffer(
    json: *const c_void,
    json_size: usize,
    options: cef_json_parser_options_t,
) -> *mut _cef_value_t

Parses the specified UTF8-encoded |json| buffer of size |json_size| and returns a dictionary or list representation. If JSON parsing fails this function returns NULL.