Delete media::Interfaces::ServiceFactory.

media/mojo/interfaces/service_factory.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.
-
-module media.interfaces;
-
-import "media/mojo/interfaces/content_decryption_module.mojom";
-import "media/mojo/interfaces/renderer.mojom";
-
-// A factory interface to create media services. Renderers can only access
-// ContentDecryptionModules created in the same factory.
-interface ServiceFactory {
-  // Creates a ContentDecryptionModule service.
-  CreateCdm(ContentDecryptionModule& cdm);
-
-  // Creates a Renderer service.
-  CreateRenderer(Renderer& renderer);
-};