Remove many delegates, let's see what breaks

chrome/browser/notifications/non_persistent_notification_handler.cc

 // Copyright 2016 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.
 
 #include "chrome/browser/notifications/non_persistent_notification_handler.h"
 
 #include "base/strings/nullable_string16.h"
 #include "chrome/browser/notifications/platform_notification_service_impl.h"
 #include "content/public/browser/notification_event_dispatcher.h"
 
@@ skipping 28 matching lines @@
   // https://notifications.spec.whatwg.org/#create-a-notification
   DCHECK_EQ(-1, action_index);
 
   content::NotificationEventDispatcher::GetInstance()
       ->DispatchNonPersistentClickEvent(notification_id);
 }
 
 void NonPersistentNotificationHandler::OpenSettings(Profile* profile) {
   NotificationCommon::OpenNotificationSettings(profile);
 }
+
+bool NonPersistentNotificationHandler::ShouldDisplayOnFullScreen(
+    Profile* profile,
+    const std::string& origin) const {
+  return NotificationCommon::ActiveTabIsFullScreen(profile, GURL(origin));
+}