Allow to use the DefaultRendererFactory from a Utility Process

media/mojo/interfaces/video_renderer_sink.mojom

+// Copyright 2017 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.mojom;
+
+import "media/mojo/interfaces/media_types.mojom";
+import "mojo/common/time.mojom";
+
+interface VideoRendererSinkRenderCallback {
+
+  [Sync]
+  Render(mojo.common.mojom.TimeTicks deadline_min,
+         mojo.common.mojom.TimeTicks deadline_max,
+         bool background_rendering) => (VideoFrame? frame);
+
+  OnFrameDropped();
+};
+
+interface VideoRendererSink {
+
+  Start(associated VideoRendererSinkRenderCallback? render_callback);
+  Stop();
+  PaintSingleFrame(VideoFrame? frame, bool repaint_duplicate_frame);
+};