| // Copyright 2014 The Chromium Authors | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| #include "ui/native_theme/native_theme_observer.h" | |
| #include "base/check.h" | |
| #include "base/observer_list_types.h" | |
| namespace ui { | |
| NativeThemeObserver::~NativeThemeObserver() { | |
| CHECK(!IsInObserverList()); | |
| } | |
| } // namespace ui |