message: [tf.data] Move all C++ code inside the `tensorflow::data` namespace.
diff: @@ -18,6 +18,7 @@ limitations under the License.
  #include "tensorflow/core/platform/file_system.h"
  namespace tensorflow {
  +namespace data {
  namespace {
  static const size_t kSyncMarkerSize = 16;
  @@ -332,9 +333,10 @@ class SequenceFileDatasetOp : public DatasetOpKernel {
  };
  DataTypeVector output_types_;
  };
  -} // namespace
  REGISTER_KERNEL_BUILDER(Name("SequenceFileDataset").Device(DEVICE_CPU),
  SequenceFileDatasetOp);
  +} // namespace
  +} // namespace data
  } // namespace tensorflow
  