message: Suppress a verbose log by changing log level to VLOG(2).
diff: @@ -155,8 +155,7 @@ inline int GetDefaultCandidateIndex(const Segment &segment) {
  return i;
  }
  }
  -
  - LOG(WARNING) << "Cannot find default candidate. "
  + VLOG(2) << "Cannot find default candidate. "
  << "key: " << segment.key() << ", "
  << "candidates_size: " << segment.candidates_size();
  return 0;
  @@ -524,7 +523,7 @@ UserSegmentHistoryRewriter::UserSegmentHistoryRewriter(
  CHECK_EQ(sizeof(uint32_t), sizeof(KeyTriggerValue));
  }
  -UserSegmentHistoryRewriter::~UserSegmentHistoryRewriter() {}
  +UserSegmentHistoryRewriter::~UserSegmentHistoryRewriter() = default;
  #define INSERT_FEATURE(func, base_key, base_value, force_insert) \
  do { \
  