root/sync/protocol/

[..]
  1. proto_enum_conversions.cc
  2. proto_enum_conversions.h
  3. proto_enum_conversions_unittest.cc
  4. proto_value_conversions.cc
  5. proto_value_conversions.h
  6. proto_value_conversions_unittest.cc
  7. sync_protocol_error.cc
  8. sync_protocol_error.h
[..]