RemoveByIndex    4907 src/objects.cc   CodeCache::cast(code_cache())->RemoveByIndex(name, code, index);
RemoveByIndex    5257 src/objects.cc     cache->RemoveByIndex(index);
RemoveByIndex    6710 src/objects.h    void RemoveByIndex(Object* name, Code* code, int index);
RemoveByIndex    6775 src/objects.h    void RemoveByIndex(int index);