ZeroBucketCountsIterator  392 third_party/tcmalloc/vendor/src/heap-profile-table.cc     mmap_address_map_->Iterate(ZeroBucketCountsIterator, this);
ZeroBucketCountsIterator  309 third_party/tcmalloc/vendor/src/heap-profile-table.h   inline static void ZeroBucketCountsIterator(