module ActionController::ParamsWrapper

def _perform_parameter_wrapping
  wrapped_hash = _wrap_parameters request.request_parameters
  wrapped_keys = request.request_parameters.keys
  wrapped_filtered_hash = _wrap_parameters request.filtered_parameters.slice(*wrapped_keys)
  # This will make the wrapped hash accessible from controller and view.
  request.parameters.merge! wrapped_hash
  request.request_parameters.merge! wrapped_hash
  # This will display the wrapped hash in the log file.
  request.filtered_parameters.merge! wrapped_filtered_hash
end