chromium/ash/public/cpp/assistant/controller/assistant_notification_controller.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ash/public/cpp/assistant/controller/assistant_notification_controller.h"

#include "base/check_op.h"

namespace ash {

namespace {

AssistantNotificationController* g_instance = nullptr;

}  // namespace

AssistantNotificationController::AssistantNotificationController() {
  DCHECK_EQ(nullptr, g_instance);
  g_instance = this;
}

AssistantNotificationController::~AssistantNotificationController() {
  DCHECK_EQ(g_instance, this);
  g_instance = nullptr;
}

// static
AssistantNotificationController* AssistantNotificationController::Get() {
  return g_instance;
}

}  // namespace ash