REMOVE_HEAD_4     170 net/disk_cache/blockfile/rankings.cc         case disk_cache::REMOVE_HEAD_4:
REMOVE_HEAD_4     230 net/tools/crash_cache/crash_cache.cc   DCHECK(action <= disk_cache::REMOVE_HEAD_4);
REMOVE_HEAD_4     346 net/tools/crash_cache/crash_cache.cc   if (action <= disk_cache::REMOVE_HEAD_4)