chromium/chrome/browser/search/search_engine_base_url_tracker.h

// Copyright 2017 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_SEARCH_SEARCH_ENGINE_BASE_URL_TRACKER_H_
#define CHROME_BROWSER_SEARCH_SEARCH_ENGINE_BASE_URL_TRACKER_H_

#include <memory>
#include <optional>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "components/search_engines/template_url_data.h"
#include "components/search_engines/template_url_service.h"
#include "components/search_engines/template_url_service_observer.h"
#include "url/gurl.h"

class SearchTermsData;

// A helper class that watches for changes to the base URL of the default search
// engine. Typically this changes when a different DSE is selected. For Google,
// it can also change without changing the DSE, when the Google base URL is
// updated. This can happen in the case of country (i.e. TLD) changes.
class SearchEngineBaseURLTracker : public TemplateURLServiceObserver { … };

#endif  // CHROME_BROWSER_SEARCH_SEARCH_ENGINE_BASE_URL_TRACKER_H_