CheckSingleLink   444 net/disk_cache/blockfile/rankings.cc   if (node && !CheckSingleLink(node, next.get()))
CheckSingleLink   477 net/disk_cache/blockfile/rankings.cc   if (node && !CheckSingleLink(prev.get(), node))
CheckSingleLink   174 net/disk_cache/blockfile/rankings.h   bool CheckSingleLink(CacheRankingsBlock* prev, CacheRankingsBlock* next);