chromium/chrome/browser/ui/webui/tab_strip/thumbnail_tracker.h

// Copyright 2019 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_WEBUI_TAB_STRIP_THUMBNAIL_TRACKER_H_
#define CHROME_BROWSER_UI_WEBUI_TAB_STRIP_THUMBNAIL_TRACKER_H_

#include <memory>

#include "base/containers/flat_map.h"
#include "base/memory/scoped_refptr.h"
#include "chrome/browser/ui/thumbnails/thumbnail_image.h"
#include "ui/gfx/image/image_skia.h"

namespace content {
class WebContents;
}

// Tracks the thumbnails of a set of WebContentses. This set is dynamically
// managed, and WebContents closure is handled gracefully. The user is notified
// of any thumbnail change via a callback specified on construction.
class ThumbnailTracker { … };

#endif  // CHROME_BROWSER_UI_WEBUI_TAB_STRIP_THUMBNAIL_TRACKER_H_