OP_OPEN_NEXT      119 net/disk_cache/blockfile/in_flight_backend_io.cc   operation_ = OP_OPEN_NEXT;
OP_OPEN_NEXT      221 net/disk_cache/blockfile/in_flight_backend_io.cc           operation_ == OP_OPEN_NEXT || operation_ == OP_OPEN_PREV);
OP_OPEN_NEXT      252 net/disk_cache/blockfile/in_flight_backend_io.cc     case OP_OPEN_NEXT: