Move //mojo/services/X/public/... to //mojo/services/X/... (part 3).

mojo/services/notifications/public/interfaces/notifications.mojom

-// Copyright 2015 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.
-
-[DartPackage="mojo_services"]
-module notifications;
-
-struct NotificationData {
-  // Title to be displayed along with the notification, if supported.
-  string? title;
-
-  // Text to be displayed along with the notification, if supported.
-  string? text;
-};
-
-// Interaction with a posted notification will be communicated through the
-// NotificationClient.  Once a NotificationClient callback has been called the
-// notification can be considered removed and subsequent Update and Cancel calls
-// to the Notification populated during Post will be ignored.
-interface NotificationClient {
-  // Called when the notification is selected.
-  OnSelected();
-
-  // Called when the notification is dismissed.
-  OnDismissed();
-};
-
-interface Notification {
-  // Updates the notification with the information specified in
-  // |notification_data|.
-  Update(NotificationData notification_data);
-
-  // Cancels the notification.
-  Cancel();
-};
-
-interface NotificationService {
-  // Posts a new notification with the information specified in
-  // |notification_data| and with any interactions with the notification being
-  // communicated to |client|.  |notification| can be used to modify or cancel
-  // the notification.
-  Post(NotificationData notification_data, NotificationClient? client,
-       Notification&? notification);
-};