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diff --git a/third_party/libwebrtc/video/render/incoming_video_stream.h b/third_party/libwebrtc/video/render/incoming_video_stream.h
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+++ b/third_party/libwebrtc/video/render/incoming_video_stream.h
@@ -0,0 +1,48 @@
+/*
+ *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VIDEO_RENDER_INCOMING_VIDEO_STREAM_H_
+#define VIDEO_RENDER_INCOMING_VIDEO_STREAM_H_
+
+#include <stdint.h>
+
+#include "api/sequence_checker.h"
+#include "api/task_queue/task_queue_factory.h"
+#include "api/video/video_frame.h"
+#include "api/video/video_sink_interface.h"
+#include "rtc_base/race_checker.h"
+#include "rtc_base/task_queue.h"
+#include "rtc_base/thread_annotations.h"
+#include "video/render/video_render_frames.h"
+
+namespace webrtc {
+
+class IncomingVideoStream : public rtc::VideoSinkInterface<VideoFrame> {
+ public:
+  IncomingVideoStream(TaskQueueFactory* task_queue_factory,
+                      int32_t delay_ms,
+                      rtc::VideoSinkInterface<VideoFrame>* callback);
+  ~IncomingVideoStream() override;
+
+ private:
+  void OnFrame(const VideoFrame& video_frame) override;
+  void Dequeue();
+
+  SequenceChecker main_thread_checker_;
+  rtc::RaceChecker decoder_race_checker_;
+
+  VideoRenderFrames render_buffers_ RTC_GUARDED_BY(&incoming_render_queue_);
+  rtc::VideoSinkInterface<VideoFrame>* const callback_;
+  rtc::TaskQueue incoming_render_queue_;
+};
+
+}  // namespace webrtc
+
+#endif  // VIDEO_RENDER_INCOMING_VIDEO_STREAM_H_