def fail_request(self, orig_request, message, start_response):
cors_handler = self._create_cors_handler(orig_request)<EOL>return util.send_wsgi_error_response(<EOL>message, start_response, cors_handler=cors_handler)<EOL>
Write an immediate failure response to outfile, no redirect.

        This calls start_response and returns the error body.

        Args:
          orig_request: An ApiRequest, the original request from the user.
          message: A string containing the error message to be displayed to user.
          start_response: A function with semantics defined in PEP-333.

        Returns:
          A string containing the body of the error response.