chromium/components/segmentation_platform/internal/signals/history_delegate_impl.h

// Copyright 2022 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_SEGMENTATION_PLATFORM_INTERNAL_SIGNALS_HISTORY_DELEGATE_IMPL_H_
#define COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_SIGNALS_HISTORY_DELEGATE_IMPL_H_

#include <unordered_set>

#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "base/sequence_checker.h"
#include "base/task/cancelable_task_tracker.h"
#include "base/time/time.h"
#include "components/history/core/browser/history_types.h"
#include "components/segmentation_platform/internal/database/ukm_types.h"
#include "components/segmentation_platform/internal/signals/url_signal_handler.h"
#include "url/gurl.h"

namespace history {
class HistoryService;
}  // namespace history

namespace segmentation_platform {
// Provides an API to query history service to check if an URL exists.
class HistoryDelegateImpl : public UrlSignalHandler::HistoryDelegate { … };

}  // namespace segmentation_platform

#endif  // COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_SIGNALS_HISTORY_DELEGATE_IMPL_H_