Grant origins engagement for having interactions on their notifications.

chrome/browser/notifications/platform_notification_service_impl.h

Index: chrome/browser/notifications/platform_notification_service_impl.h
diff --git a/chrome/browser/notifications/platform_notification_service_impl.h b/chrome/browser/notifications/platform_notification_service_impl.h
index 12c6e6181d4190459646c7b7af238fdfbf00576a..6372568d153f82a6579c1f9409eab53e8192aafe 100644
--- a/chrome/browser/notifications/platform_notification_service_impl.h
+++ b/chrome/browser/notifications/platform_notification_service_impl.h
@@ -144,6 +144,9 @@ class PlatformNotificationServiceImpl
   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