Remove many delegates, let's see what breaks

chrome/browser/notifications/notification_display_service.h

Index: chrome/browser/notifications/notification_display_service.h
diff --git a/chrome/browser/notifications/notification_display_service.h b/chrome/browser/notifications/notification_display_service.h
index 8c21f80ece948c4ebf37a44191fda09d1813f941..81b112c70646304ab9198a630cedde65c2e73bc6 100644
--- a/chrome/browser/notifications/notification_display_service.h
+++ b/chrome/browser/notifications/notification_display_service.h
@@ -61,6 +61,11 @@ class NotificationDisplayService : public KeyedService {
                                     int action_index,
                                     const base::NullableString16& reply);
 
+  // Return whether a notification pf |notification_type| should be displayed
+  // for |origin| when the browser is in full screen mode.
+  bool ShouldDisplayOverFullscreen(const GURL& origin,
+                                   NotificationCommon::Type notification_type);
+
  protected:
   NotificationHandler* GetNotificationHandler(
       NotificationCommon::Type notification_type);