const std::string& pref_path,
const base::DictionaryValue* dict_value,
const std::vector<std::string>& invalid_keys,
PrefHashStoreTransaction::ValueState value_state,
const std::string& pref_path,
const base::DictionaryValue* dict_value,
const std::vector<std::string>& invalid_keys,
PrefHashStoreTransaction::ValueState value_state,