Remove many delegates, let's see what breaks

content/browser/notifications/notification_message_filter.cc

 // 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.
 
 #include "content/browser/notifications/notification_message_filter.h"
 
 #include <utility>
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "content/browser/bad_message.h"
 #include "content/browser/notifications/notification_event_dispatcher_impl.h"
 #include "content/browser/notifications/notification_id_generator.h"
-#include "content/browser/notifications/page_notification_delegate.h"
 #include "content/browser/notifications/platform_notification_context_impl.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/common/platform_notification_messages.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
-#include "content/public/browser/desktop_notification_delegate.h"
 #include "content/public/browser/notification_database_data.h"
 #include "content/public/browser/platform_notification_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_features.h"
 #include "content/public/common/content_switches.h"
 #include "third_party/WebKit/public/platform/modules/notifications/WebNotificationConstants.h"
 
 namespace content {
 
@@ skipping 128 matching lines @@
       GetContentClient()->browser()->GetPlatformNotificationService();
   DCHECK(service);
 
   if (!VerifyNotificationPermissionGranted(service, origin))
     return;
 
   std::string notification_id =
       GetNotificationIdGenerator()->GenerateForNonPersistentNotification(
           origin, notification_data.tag, non_persistent_notification_id,
           process_id_);
-
   NotificationEventDispatcherImpl* event_dispatcher =
       content::NotificationEventDispatcherImpl::GetInstance();
   non_persistent__notification_shown_ = true;
   event_dispatcher->RegisterNonPersistentNotification(
       notification_id, process_id_, non_persistent_notification_id);
 
-  std::unique_ptr<DesktopNotificationDelegate> delegate(
-      new PageNotificationDelegate(process_id_, non_persistent_notification_id,
-                                   notification_id));
-
   base::Closure close_closure;
   service->DisplayNotification(browser_context_, notification_id, origin,
                                SanitizeNotificationData(notification_data),
-                               notification_resources, std::move(delegate),
-                               &close_closure);
+                               notification_resources, &close_closure);
 
   if (!close_closure.is_null())
     close_closures_[notification_id] = close_closure;
 }
 
 void NotificationMessageFilter::OnShowPersistentNotification(
     int request_id,
     int64_t service_worker_registration_id,
     const GURL& origin,
     const PlatformNotificationData& notification_data,
@@ skipping 207 matching lines @@
   bad_message::ReceivedBadMessage(this, bad_message::NMF_NO_PERMISSION_VERIFY);
   return false;
 }
 
 NotificationIdGenerator* NotificationMessageFilter::GetNotificationIdGenerator()
     const {
   return notification_context_->notification_id_generator();
 }
 
 }  // namespace content