chromium/chrome/browser/file_system_access/file_system_access_tab_helper.h

// 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.

#ifndef CHROME_BROWSER_FILE_SYSTEM_ACCESS_FILE_SYSTEM_ACCESS_TAB_HELPER_H_
#define CHROME_BROWSER_FILE_SYSTEM_ACCESS_FILE_SYSTEM_ACCESS_TAB_HELPER_H_

#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"

// This class keeps track of tabs as they're being created, navigated and
// destroyed, informing the permission context when an origin is navigated away
// from. This is then used by the permission context to revoke permissions when
// no top level tabs remain for an origin.
class FileSystemAccessTabHelper
    : public content::WebContentsObserver,
      public content::WebContentsUserData<FileSystemAccessTabHelper> { … };

#endif  // CHROME_BROWSER_FILE_SYSTEM_ACCESS_FILE_SYSTEM_ACCESS_TAB_HELPER_H_