// Copyright 2014 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_OBSERVER_H_ #define COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_OBSERVER_H_ #include "base/observer_list_types.h" // TemplateURLServiceObserver is notified whenever the set of TemplateURLs // are modified. class TemplateURLServiceObserver : public base::CheckedObserver { public: // Notification that the template url model has changed in some way. virtual void OnTemplateURLServiceChanged() = 0; // Notification that the template url service is shutting down. Observers that // might outlive the service can use this to clear out any raw pointers to the // service. virtual void OnTemplateURLServiceShuttingDown() {} protected: ~TemplateURLServiceObserver() override {} }; #endif // COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_OBSERVER_H_