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diff --git a/third_party/libwebrtc/modules/video_coding/deprecated/frame_buffer.h b/third_party/libwebrtc/modules/video_coding/deprecated/frame_buffer.h
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index 0000000000..de8d0ab7cb
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+++ b/third_party/libwebrtc/modules/video_coding/deprecated/frame_buffer.h
@@ -0,0 +1,87 @@
+/*
+ *  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 MODULES_VIDEO_CODING_DEPRECATED_FRAME_BUFFER_H_
+#define MODULES_VIDEO_CODING_DEPRECATED_FRAME_BUFFER_H_
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <vector>
+
+#include "modules/video_coding/codecs/vp9/include/vp9_globals.h"
+#include "modules/video_coding/deprecated/jitter_buffer_common.h"
+#include "modules/video_coding/deprecated/packet.h"
+#include "modules/video_coding/deprecated/session_info.h"
+#include "modules/video_coding/encoded_frame.h"
+
+namespace webrtc {
+
+class VCMFrameBuffer : public VCMEncodedFrame {
+ public:
+  VCMFrameBuffer();
+  virtual ~VCMFrameBuffer();
+
+  virtual void Reset();
+
+  VCMFrameBufferEnum InsertPacket(const VCMPacket& packet,
+                                  int64_t timeInMs,
+                                  const FrameData& frame_data);
+
+  // State
+  // Get current state of frame
+  VCMFrameBufferStateEnum GetState() const;
+  void PrepareForDecode(bool continuous);
+
+  bool IsSessionComplete() const;
+  bool HaveFirstPacket() const;
+  int NumPackets() const;
+
+  // Sequence numbers
+  // Get lowest packet sequence number in frame
+  int32_t GetLowSeqNum() const;
+  // Get highest packet sequence number in frame
+  int32_t GetHighSeqNum() const;
+
+  int PictureId() const;
+  int TemporalId() const;
+  bool LayerSync() const;
+  int Tl0PicId() const;
+
+  std::vector<NaluInfo> GetNaluInfos() const;
+
+  void SetGofInfo(const GofInfoVP9& gof_info, size_t idx);
+
+  // Increments a counter to keep track of the number of packets of this frame
+  // which were NACKed before they arrived.
+  void IncrementNackCount();
+  // Returns the number of packets of this frame which were NACKed before they
+  // arrived.
+  int16_t GetNackCount() const;
+
+  int64_t LatestPacketTimeMs() const;
+
+  webrtc::VideoFrameType FrameType() const;
+
+ private:
+  void SetState(VCMFrameBufferStateEnum state);  // Set state of frame
+
+  VCMFrameBufferStateEnum _state;  // Current state of the frame
+  // Set with SetEncodedData, but keep pointer to the concrete class here, to
+  // enable reallocation and mutation.
+  rtc::scoped_refptr<EncodedImageBuffer> encoded_image_buffer_;
+  VCMSessionInfo _sessionInfo;
+  uint16_t _nackCount;
+  int64_t _latestPacketTimeMs;
+};
+
+}  // namespace webrtc
+
+#endif  // MODULES_VIDEO_CODING_DEPRECATED_FRAME_BUFFER_H_