Allow to use the DefaultRendererFactory from a Utility Process

media/mojo/clients/mojo_video_renderer_sink_impl.h

+// 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.
+
+#ifndef MEDIA_MOJO_CLIENTS_MOJO_VIDEO_RENDERER_SINK_IMPL_H_
+#define MEDIA_MOJO_CLIENTS_MOJO_VIDEO_RENDERER_SINK_IMPL_H_
+
+#include "media/base/video_renderer_sink.h"
+#include "media/mojo/interfaces/video_renderer_sink.mojom.h"
+#include "mojo/public/cpp/bindings/binding.h"
+
+namespace media {
+
+class MojoVideoRendererSinkImpl
+    : public NON_EXPORTED_BASE(media::VideoRendererSink::RenderCallback),
+      public mojom::VideoRendererSink {
+ public:
+  MojoVideoRendererSinkImpl(
+      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
+      media::VideoRendererSink* sink,
+      mojo::InterfaceRequest<mojom::VideoRendererSink> request);
+  ~MojoVideoRendererSinkImpl() override;
+
+  // VideoRendererSink::RenderCallback implementation.
+  scoped_refptr<VideoFrame> Render(base::TimeTicks deadline_min,
+                                   base::TimeTicks deadline_max,
+                                   bool background_rendering) override;
+  void OnFrameDropped() override;
+
+  // mojom::VideoRendererSink implementation.
+  void Start(
+      mojom::VideoRendererSinkRenderCallbackAssociatedPtrInfo callback) final;
+  void Stop() override;
+  void PaintSingleFrame(mojom::VideoFramePtr mojo_frame,
+                        bool repaint_duplicate_frame) final;
+
+  // Sets an error handler that will be called if a connection error occurs on
+  // the bound message pipe.
+  void set_connection_error_handler(const base::Closure& error_handler) {
+    binding_.set_connection_error_handler(error_handler);
+  }
+
+ private:
+  scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_;
+  scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_;
+
+  mojo::Binding<mojom::VideoRendererSink> binding_;
+
+  media::VideoRendererSink* sink_;
+  bool started_;
+
+  mojom::VideoRendererSinkRenderCallbackAssociatedPtrInfo callback_info_;
+  mojom::VideoRendererSinkRenderCallbackAssociatedPtr callback_;
+};
+
+}  // namespace media
+
+#endif  // MEDIA_MOJO_CLIENTS_MOJO_VIDEO_RENDERER_SINK_IMPL_H_