Add video-rendering to mojo media pipeline.

media/renderers/video_overlay_factory.h

Index: media/renderers/video_overlay_factory.h
diff --git a/media/renderers/video_overlay_factory.h b/media/renderers/video_overlay_factory.h
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+// 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 MEDIA_RENDERERS_VIDEO_OVERLAY_FACTORY_H_
+#define MEDIA_RENDERERS_VIDEO_OVERLAY_FACTORY_H_
+
+#include <GLES2/gl2.h>
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "gpu/command_buffer/common/mailbox.h"
+#include "gpu/command_buffer/common/sync_token.h"
+
+namespace gfx {
+class Size;
+}  // namespace gfx
+
+namespace media {
+class GpuVideoAcceleratorFactories;
+class VideoFrame;
+
+// Creates video overlay frame - native textures that get turned into
+// transparent quads in the browser compositor using overlay system.
+// This class must be used on GpuVideoAcceleratorFactories::GetTaskRunner().
+class VideoOverlayFactory {
+ public:
+  explicit VideoOverlayFactory(GpuVideoAcceleratorFactories* gpu_factories);
+  ~VideoOverlayFactory();
+
+  scoped_refptr<VideoFrame> CreateFrame(const gfx::Size& size);
+
+ private:
+  GpuVideoAcceleratorFactories* gpu_factories_;
+  gpu::Mailbox mailbox_;
+  gpu::SyncToken sync_token_;
+  GLuint texture_;
+  GLuint image_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(VideoOverlayFactory);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_RENDERERS_VIDEO_OVERLAY_FACTORY_H_