Revert of Introduce the Blink NotificationService, move permission checks there

content/browser/notifications/blink_notification_service_impl.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 CONTENT_BROWSER_NOTIFICATIONS_BLINK_NOTIFICATION_SERVICE_IMPL_H_
-#define CONTENT_BROWSER_NOTIFICATIONS_BLINK_NOTIFICATION_SERVICE_IMPL_H_
-
-#include "base/macros.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "mojo/public/cpp/bindings/interface_request.h"
-#include "third_party/WebKit/public/platform/modules/notifications/notification_service.mojom.h"
-
-namespace content {
-
-class PlatformNotificationContextImpl;
-class ResourceContext;
-
-// Implementation of the NotificationService used for Web Notifications. Is
-// responsible for displaying, updating and reading of both non-persistent
-// and persistent notifications. Lives on the IO thread.
-class BlinkNotificationServiceImpl : public blink::mojom::NotificationService {
- public:
-  BlinkNotificationServiceImpl(
-      PlatformNotificationContextImpl* notification_context,
-      ResourceContext* resource_context,
-      int render_process_id,
-      mojo::InterfaceRequest<blink::mojom::NotificationService> request);
-  ~BlinkNotificationServiceImpl() override;
-
-  // blink::mojom::NotificationService implementation.
-  void GetPermissionStatus(
-      const mojo::String& origin,
-      const GetPermissionStatusCallback& callback) override;
-
- private:
-  // Called when an error is detected on binding_.
-  void OnConnectionError();
-
-  // The notification context that owns this service instance.
-  PlatformNotificationContextImpl* notification_context_;
-
-  ResourceContext* resource_context_;
-
-  int render_process_id_;
-
-  mojo::Binding<blink::mojom::NotificationService> binding_;
-
-  DISALLOW_COPY_AND_ASSIGN(BlinkNotificationServiceImpl);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_NOTIFICATIONS_BLINK_NOTIFICATION_SERVICE_IMPL_H_