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diff --git a/third_party/libwebrtc/api/video/video_frame_metadata.h b/third_party/libwebrtc/api/video/video_frame_metadata.h
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+++ b/third_party/libwebrtc/api/video/video_frame_metadata.h
@@ -0,0 +1,112 @@
+/*
+ *  Copyright 2020 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 API_VIDEO_VIDEO_FRAME_METADATA_H_
+#define API_VIDEO_VIDEO_FRAME_METADATA_H_
+
+#include <cstdint>
+
+#include "absl/container/inlined_vector.h"
+#include "absl/types/optional.h"
+#include "absl/types/variant.h"
+#include "api/array_view.h"
+#include "api/transport/rtp/dependency_descriptor.h"
+#include "api/video/video_codec_type.h"
+#include "api/video/video_content_type.h"
+#include "api/video/video_frame_type.h"
+#include "api/video/video_rotation.h"
+#include "modules/video_coding/codecs/h264/include/h264_globals.h"
+#include "modules/video_coding/codecs/vp8/include/vp8_globals.h"
+#include "modules/video_coding/codecs/vp9/include/vp9_globals.h"
+#include "rtc_base/system/rtc_export.h"
+
+namespace webrtc {
+
+using RTPVideoHeaderCodecSpecifics = absl::variant<absl::monostate,
+                                                   RTPVideoHeaderVP8,
+                                                   RTPVideoHeaderVP9,
+                                                   RTPVideoHeaderH264>;
+
+// A subset of metadata from the RTP video header, exposed in insertable streams
+// API.
+class RTC_EXPORT VideoFrameMetadata {
+ public:
+  VideoFrameMetadata();
+  VideoFrameMetadata(const VideoFrameMetadata&) = default;
+  VideoFrameMetadata& operator=(const VideoFrameMetadata&) = default;
+
+  VideoFrameType GetFrameType() const;
+  void SetFrameType(VideoFrameType frame_type);
+
+  uint16_t GetWidth() const;
+  void SetWidth(uint16_t width);
+
+  uint16_t GetHeight() const;
+  void SetHeight(uint16_t height);
+
+  VideoRotation GetRotation() const;
+  void SetRotation(VideoRotation rotation);
+
+  VideoContentType GetContentType() const;
+  void SetContentType(VideoContentType content_type);
+
+  absl::optional<int64_t> GetFrameId() const;
+  void SetFrameId(absl::optional<int64_t> frame_id);
+
+  int GetSpatialIndex() const;
+  void SetSpatialIndex(int spatial_index);
+
+  int GetTemporalIndex() const;
+  void SetTemporalIndex(int temporal_index);
+
+  rtc::ArrayView<const int64_t> GetFrameDependencies() const;
+  void SetFrameDependencies(rtc::ArrayView<const int64_t> frame_dependencies);
+
+  rtc::ArrayView<const DecodeTargetIndication> GetDecodeTargetIndications()
+      const;
+  void SetDecodeTargetIndications(
+      rtc::ArrayView<const DecodeTargetIndication> decode_target_indications);
+
+  bool GetIsLastFrameInPicture() const;
+  void SetIsLastFrameInPicture(bool is_last_frame_in_picture);
+
+  uint8_t GetSimulcastIdx() const;
+  void SetSimulcastIdx(uint8_t simulcast_idx);
+
+  VideoCodecType GetCodec() const;
+  void SetCodec(VideoCodecType codec);
+
+  // Which varient is used depends on the VideoCodecType from GetCodecs().
+  const RTPVideoHeaderCodecSpecifics& GetRTPVideoHeaderCodecSpecifics() const;
+  void SetRTPVideoHeaderCodecSpecifics(
+      RTPVideoHeaderCodecSpecifics codec_specifics);
+
+ private:
+  VideoFrameType frame_type_ = VideoFrameType::kEmptyFrame;
+  int16_t width_ = 0;
+  int16_t height_ = 0;
+  VideoRotation rotation_ = VideoRotation::kVideoRotation_0;
+  VideoContentType content_type_ = VideoContentType::UNSPECIFIED;
+
+  // Corresponding to GenericDescriptorInfo.
+  absl::optional<int64_t> frame_id_;
+  int spatial_index_ = 0;
+  int temporal_index_ = 0;
+  absl::InlinedVector<int64_t, 5> frame_dependencies_;
+  absl::InlinedVector<DecodeTargetIndication, 10> decode_target_indications_;
+
+  bool is_last_frame_in_picture_ = true;
+  uint8_t simulcast_idx_ = 0;
+  VideoCodecType codec_ = VideoCodecType::kVideoCodecGeneric;
+  RTPVideoHeaderCodecSpecifics codec_specifics_;
+};
+}  // namespace webrtc
+
+#endif  // API_VIDEO_VIDEO_FRAME_METADATA_H_