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diff --git a/third_party/libwebrtc/modules/video_coding/deprecated/receiver.h b/third_party/libwebrtc/modules/video_coding/deprecated/receiver.h
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+/*
+ *  Copyright (c) 2011 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 MODULES_VIDEO_CODING_DEPRECATED_RECEIVER_H_
+#define MODULES_VIDEO_CODING_DEPRECATED_RECEIVER_H_
+
+#include <memory>
+#include <vector>
+
+#include "api/field_trials_view.h"
+#include "modules/video_coding/deprecated/event_wrapper.h"
+#include "modules/video_coding/deprecated/jitter_buffer.h"
+#include "modules/video_coding/deprecated/packet.h"
+#include "modules/video_coding/include/video_coding_defines.h"
+#include "modules/video_coding/timing/timing.h"
+
+namespace webrtc {
+
+class Clock;
+class VCMEncodedFrame;
+
+class VCMReceiver {
+ public:
+  VCMReceiver(VCMTiming* timing,
+              Clock* clock,
+              const FieldTrialsView& field_trials);
+
+  // Using this constructor, you can specify a different event implemetation for
+  // the jitter buffer. Useful for unit tests when you want to simulate incoming
+  // packets, in which case the jitter buffer's wait event is different from
+  // that of VCMReceiver itself.
+  VCMReceiver(VCMTiming* timing,
+              Clock* clock,
+              std::unique_ptr<EventWrapper> receiver_event,
+              std::unique_ptr<EventWrapper> jitter_buffer_event,
+              const FieldTrialsView& field_trials);
+
+  ~VCMReceiver();
+
+  int32_t InsertPacket(const VCMPacket& packet);
+  VCMEncodedFrame* FrameForDecoding(uint16_t max_wait_time_ms,
+                                    bool prefer_late_decoding);
+  void ReleaseFrame(VCMEncodedFrame* frame);
+
+  // NACK.
+  void SetNackSettings(size_t max_nack_list_size,
+                       int max_packet_age_to_nack,
+                       int max_incomplete_time_ms);
+  std::vector<uint16_t> NackList(bool* request_key_frame);
+
+ private:
+  Clock* const clock_;
+  VCMJitterBuffer jitter_buffer_;
+  VCMTiming* timing_;
+  std::unique_ptr<EventWrapper> render_wait_event_;
+  int max_video_delay_ms_;
+};
+
+}  // namespace webrtc
+
+#endif  // MODULES_VIDEO_CODING_DEPRECATED_RECEIVER_H_