Nuke NotificationUIManager from PlatformNotificationServiceImpl

chrome/browser/notifications/notification_display_service_factory.h

+// 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.
+
+#ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_DISPLAY_SERVICE_FACTORY_H_
+#define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_DISPLAY_SERVICE_FACTORY_H_
+
+#include "base/macros.h"
+#include "chrome/browser/notifications/notification_display_service.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+class NotificationDisplayServiceFactory
+    : public BrowserContextKeyedServiceFactory {
+ public:
+  // Probably move to cc file

[Peter Beverloo, 2016/03/21 15:57:04]

Yes.

+  NotificationDisplayServiceFactory()
+      : BrowserContextKeyedServiceFactory(
+            "NotificationDisplayService",
+            BrowserContextDependencyManager::GetInstance()) {}
+
+  static NotificationDisplayService* GetForProfile(Profile* profile);
+  static NotificationDisplayServiceFactory* GetInstance();
+
+ private:
+  KeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* context) const override;
+};
+
+#endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_DISPLAY_SERVICE_FACTORY_H_