| // Copyright 2016 The Chromium Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| #include "ash/shared/immersive_context.h" | |
| #include "base/logging.h" | |
| namespace ash { | |
| // static | |
| ImmersiveContext* ImmersiveContext::instance_ = nullptr; | |
| ImmersiveContext::ImmersiveContext() { | |
| DCHECK(!instance_); | |
| instance_ = this; | |
| } | |
| ImmersiveContext::~ImmersiveContext() { | |
| DCHECK_EQ(instance_, this); | |
| instance_ = nullptr; | |
| } | |
| } // namespace ash |