CACHE_HISTOGRAM_CUSTOM_COUNTS   19 net/disk_cache/blockfile/histogram_macros.h #define CACHE_HISTOGRAM_CUSTOM_COUNTS(name, sample, min, max, bucket_count) \
CACHE_HISTOGRAM_CUSTOM_COUNTS   20 net/disk_cache/blockfile/histogram_macros_v3.h #define CACHE_HISTOGRAM_CUSTOM_COUNTS(name, sample, min, max, bucket_count) \