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diff --git a/third_party/libwebrtc/api/video_codecs/video_encoder_software_fallback_wrapper.h b/third_party/libwebrtc/api/video_codecs/video_encoder_software_fallback_wrapper.h
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+++ b/third_party/libwebrtc/api/video_codecs/video_encoder_software_fallback_wrapper.h
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+/*
+ *  Copyright (c) 2016 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_CODECS_VIDEO_ENCODER_SOFTWARE_FALLBACK_WRAPPER_H_
+#define API_VIDEO_CODECS_VIDEO_ENCODER_SOFTWARE_FALLBACK_WRAPPER_H_
+
+#include <memory>
+#include <utility>
+
+#include "api/video_codecs/video_encoder.h"
+#include "rtc_base/system/rtc_export.h"
+
+namespace webrtc {
+
+// Used to wrap external VideoEncoders to provide a fallback option on
+// software encoding when a hardware encoder fails to encode a stream due to
+// hardware restrictions, such as max resolution.
+// |bool prefer_temporal_support| indicates that if the software fallback
+// encoder supports temporal layers but the hardware encoder does not, a
+// fallback should be forced even if the encoder otherwise works.
+RTC_EXPORT std::unique_ptr<VideoEncoder>
+CreateVideoEncoderSoftwareFallbackWrapper(
+    std::unique_ptr<VideoEncoder> sw_fallback_encoder,
+    std::unique_ptr<VideoEncoder> hw_encoder,
+    bool prefer_temporal_support);
+
+// Default fallback for call-sites not yet updated with
+// `prefer_temporal_support`.
+// TODO(sprang): Remove when usage is gone.
+RTC_EXPORT inline std::unique_ptr<VideoEncoder>
+CreateVideoEncoderSoftwareFallbackWrapper(
+    std::unique_ptr<VideoEncoder> sw_fallback_encoder,
+    std::unique_ptr<VideoEncoder> hw_encoder) {
+  return CreateVideoEncoderSoftwareFallbackWrapper(
+      std::move(sw_fallback_encoder), std::move(hw_encoder), false);
+}
+
+}  // namespace webrtc
+
+#endif  // API_VIDEO_CODECS_VIDEO_ENCODER_SOFTWARE_FALLBACK_WRAPPER_H_