LastIntegerKey    675 webkit/browser/fileapi/sandbox_directory_database.cc       db_->Get(leveldb::ReadOptions(), LastIntegerKey(), &int_string);
LastIntegerKey    683 webkit/browser/fileapi/sandbox_directory_database.cc     status = db_->Put(leveldb::WriteOptions(), LastIntegerKey(),
LastIntegerKey    848 webkit/browser/fileapi/sandbox_directory_database.cc   batch.Put(LastIntegerKey(), base::Int64ToString(-1));