PATTERN_UNDEFINED 213 net/http/http_cache_transaction.cc transaction_pattern_(PATTERN_UNDEFINED), PATTERN_UNDEFINED 2443 net/http/http_cache_transaction.cc DCHECK(transaction_pattern_ == PATTERN_UNDEFINED || PATTERN_UNDEFINED 2449 net/http/http_cache_transaction.cc DCHECK_NE(PATTERN_UNDEFINED, transaction_pattern_);