def transmit_next_chunk(self, transport):
    """Transmit the next chunk of the resource to be uploaded.

    If the current upload was initiated with ``stream_final=False``,
    this method will dynamically determine if the upload has completed.
    The upload will be considered complete if the stream produces
    fewer than :attr:`chunk_size` bytes when a chunk is read from it.

    In the case of failure, an exception is thrown that preserves the
    failed response:

    .. testsetup:: bad-response

       import io

       import mock
       import requests
       from six.moves import http_client

       from google import resumable_media
       import google.resumable_media.requests.upload as upload_mod

       transport = mock.Mock(spec=[u'request'])
       fake_response = requests.Response()
       fake_response.status_code = int(http_client.BAD_REQUEST)
       transport.request.return_value = fake_response

       upload_url = u'http://test.invalid'
       upload = upload_mod.ResumableUpload(
           upload_url, resumable_media.UPLOAD_CHUNK_SIZE)
       # Fake that the upload has been initiate()-d
       data = b'data is here'
       upload._stream = io.BytesIO(data)
       upload._total_bytes = len(data)
       upload._resumable_url = u'http://test.invalid?upload_id=nope'

    .. doctest:: bad-response
       :options: +NORMALIZE_WHITESPACE

       >>> error = None
       >>> try:
       ...     upload.transmit_next_chunk(transport)
       ... except resumable_media.InvalidResponse as caught_exc:
       ...     error = caught_exc
       ...
       >>> error
       InvalidResponse('Request failed with status code', 400,
                       'Expected one of', <HTTPStatus.OK: 200>, 308)
       >>> error.response
       <Response [400]>

    Args:
        transport (~requests.Session): A ``requests`` object which can
            make authenticated requests.

    Returns:
        ~requests.Response: The HTTP response returned by ``transport``.

    Raises:
        ~google.resumable_media.common.InvalidResponse: If the status
            code is not 200 or 308.
    """
    method, url, payload, headers = self._prepare_request()
    result = _helpers.http_request(
        transport, method, url, data=payload, headers=headers,
        retry_strategy=self._retry_strategy)
    self._process_response(result, len(payload))
    return result