message: Fully qualify namespaces in XLA macros.
  No functional change.
diff: @@ -344,18 +344,19 @@ std::vector<std::pair<int64, int64>> CommonFactors(
  } // namespace xla
  -#define XLA_LOG_LINES(SEV, STRING) LogLines(SEV, STRING, __FILE__, __LINE__)
  +#define XLA_LOG_LINES(SEV, STRING) \
  + ::xla::LogLines(SEV, STRING, __FILE__, __LINE__)
  #define XLA_VLOG_LINES(LEVEL, STRING) \
  do { \
  - if (VLOG_IS_ON(LEVEL)) XLA_LOG_LINES(tensorflow::INFO, STRING); \
  + if (VLOG_IS_ON(LEVEL)) XLA_LOG_LINES(::tensorflow::INFO, STRING); \
  } while (false);
  // Utility macro that performs the equivalent of what one would expect
  // LOG_LINES(FATAL, X) to do but can be used at the end of a function that
  // returns a value without getting a compiler warning that no value is returned.
  #define XLA_FATAL_LOG(X) \
  - XLA_LOG_LINES(tensorflow::ERROR, X); \
  + XLA_LOG_LINES(::tensorflow::ERROR, X); \
  LOG(FATAL) << "Aborting in " << __FUNCTION__ << " due to previous errors.";
  #endif // TENSORFLOW_COMPILER_XLA_UTIL_H_
  