chromium/components/global_media_controls/public/media_item_ui_observer_set.h

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_GLOBAL_MEDIA_CONTROLS_PUBLIC_MEDIA_ITEM_UI_OBSERVER_SET_H_
#define COMPONENTS_GLOBAL_MEDIA_CONTROLS_PUBLIC_MEDIA_ITEM_UI_OBSERVER_SET_H_

#include <map>
#include "base/component_export.h"
#include "base/memory/raw_ptr.h"
#include "components/global_media_controls/public/media_item_ui.h"
#include "components/global_media_controls/public/media_item_ui_observer.h"

namespace global_media_controls {

// A helper class that keeps track of and observes multiple MediaItemUIs on
// behalf of its owner.
class COMPONENT_EXPORT(GLOBAL_MEDIA_CONTROLS) MediaItemUIObserverSet
    : public MediaItemUIObserver {};

}  // namespace global_media_controls

#endif  // COMPONENTS_GLOBAL_MEDIA_CONTROLS_PUBLIC_MEDIA_ITEM_UI_OBSERVER_SET_H_