GetRatio          192 net/disk_cache/blockfile/stats.cc   return GetRatio(OPEN_HIT, OPEN_MISS);
GetRatio          196 net/disk_cache/blockfile/stats.cc   return GetRatio(RESURRECT_HIT, CREATE_HIT);
GetRatio           93 net/disk_cache/blockfile/stats.h   int GetRatio(Counters hit, Counters miss) const;