Grant origins engagement for having interactions on their notifications.

chrome/browser/notifications/platform_notification_service_impl.h

 // 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 CHROME_BROWSER_NOTIFICATIONS_PLATFORM_NOTIFICATION_SERVICE_IMPL_H_
 #define CHROME_BROWSER_NOTIFICATIONS_PLATFORM_NOTIFICATION_SERVICE_IMPL_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 126 matching lines @@
 
   // Returns the notification display service to use.
   // This can be overriden in tests.
   // TODO(miguelg): Remove this method in favor of providing a testing factory
   // to the NotificationDisplayServiceFactory.
   NotificationDisplayService* GetNotificationDisplayService(Profile* profile);
 
   void SetNotificationDisplayServiceForTesting(
       NotificationDisplayService* service);
 
+  void RecordSiteEngagement(content::BrowserContext* browser_context,
+                            const GURL& origin);
+
 #if BUILDFLAG(ENABLE_BACKGROUND)
   // Makes sure we keep the browser alive while the event in being processed.
   // As we have no control on the click handling, the notification could be
   // closed before a browser is brought up, thus terminating Chrome if it was
   // the last KeepAlive. (see https://crbug.com/612815)
   std::unique_ptr<ScopedKeepAlive> click_dispatch_keep_alive_;
 
   int pending_click_dispatch_events_;
 #endif
 
   // Tracks the id of persistent notifications that have been closed
   // programmatically to avoid dispatching close events for them.
   std::unordered_set<std::string> closed_notifications_;
 
   // Only set and used for tests, owned by the caller in that case.
   NotificationDisplayService* test_display_service_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformNotificationServiceImpl);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_PLATFORM_NOTIFICATION_SERVICE_IMPL_H_