chromium/chrome/browser/ui/views/tabs/tab_hover_card_thumbnail_observer.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 CHROME_BROWSER_UI_VIEWS_TABS_TAB_HOVER_CARD_THUMBNAIL_OBSERVER_H_
#define CHROME_BROWSER_UI_VIEWS_TABS_TAB_HOVER_CARD_THUMBNAIL_OBSERVER_H_

#include <memory>

#include "base/callback_list.h"
#include "chrome/browser/ui/thumbnails/thumbnail_image.h"

// Tracks a specific thumbnail, or no thumbnail. Provides a callback for when
// image data for the current thumbnail is available.
class TabHoverCardThumbnailObserver { … };

#endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_HOVER_CARD_THUMBNAIL_OBSERVER_H_