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- // Copyright 2019 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/public/cpp/media_controller.h"
- #include "base/check_op.h"
- namespace ash {
- namespace {
- MediaController* g_instance = nullptr;
- } // namespace
- template <>
- MediaController*&
- MediaController::ScopedResetterForTest::GetGlobalInstanceHolder() {
- return g_instance;
- }
- // static
- MediaController* MediaController::Get() {
- return g_instance;
- }
- MediaController::MediaController() {
- DCHECK(!g_instance);
- g_instance = this;
- }
- MediaController::~MediaController() {
- DCHECK_EQ(this, g_instance);
- g_instance = nullptr;
- }
- } // namespace ash
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