// Copyright 2018 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "base/observer_list_types.h" namespace base { CheckedObserver::CheckedObserver() { … } CheckedObserver::~CheckedObserver() = default; bool CheckedObserver::IsInObserverList() const { … } } // namespace base