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diff --git a/third_party/libwebrtc/test/pc/e2e/media/test_video_capturer_video_track_source.h b/third_party/libwebrtc/test/pc/e2e/media/test_video_capturer_video_track_source.h
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+++ b/third_party/libwebrtc/test/pc/e2e/media/test_video_capturer_video_track_source.h
@@ -0,0 +1,102 @@
+/*
+ *  Copyright (c) 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 TEST_PC_E2E_MEDIA_TEST_VIDEO_CAPTURER_VIDEO_TRACK_SOURCE_H_
+#define TEST_PC_E2E_MEDIA_TEST_VIDEO_CAPTURER_VIDEO_TRACK_SOURCE_H_
+
+#include <memory>
+#include <utility>
+
+#include "absl/types/optional.h"
+#include "api/sequence_checker.h"
+#include "api/test/video/test_video_track_source.h"
+#include "api/video/video_frame.h"
+#include "api/video/video_source_interface.h"
+#include "test/test_video_capturer.h"
+
+namespace webrtc {
+namespace webrtc_pc_e2e {
+
+class TestVideoCapturerVideoTrackSource : public test::TestVideoTrackSource {
+ public:
+  TestVideoCapturerVideoTrackSource(
+      std::unique_ptr<test::TestVideoCapturer> video_capturer,
+      bool is_screencast,
+      absl::optional<std::string> stream_label = absl::nullopt)
+      : TestVideoTrackSource(/*remote=*/false, std::move(stream_label)),
+        video_capturer_(std::move(video_capturer)),
+        is_screencast_(is_screencast) {
+    sequence_checker_.Detach();
+  }
+
+  TestVideoCapturerVideoTrackSource(const TestVideoCapturerVideoTrackSource&) =
+      delete;
+  TestVideoCapturerVideoTrackSource& operator=(
+      const TestVideoCapturerVideoTrackSource&) = delete;
+  TestVideoCapturerVideoTrackSource(TestVideoCapturerVideoTrackSource&&) =
+      delete;
+  TestVideoCapturerVideoTrackSource& operator=(
+      TestVideoCapturerVideoTrackSource&&) = delete;
+
+  ~TestVideoCapturerVideoTrackSource() = default;
+
+  void Start() override {
+    SetState(kLive);
+    video_capturer_->Start();
+  }
+
+  void Stop() override {
+    SetState(kMuted);
+    video_capturer_->Stop();
+  }
+
+  int GetFrameWidth() const override {
+    return video_capturer_->GetFrameWidth();
+  }
+
+  int GetFrameHeight() const override {
+    return video_capturer_->GetFrameHeight();
+  }
+
+  bool is_screencast() const override {
+    RTC_DCHECK_RUN_ON(&sequence_checker_);
+    return is_screencast_;
+  }
+
+  void SetEnableAdaptation(bool enable_adaptation) {
+    video_capturer_->SetEnableAdaptation(enable_adaptation);
+  }
+
+  void OnOutputFormatRequest(int width,
+                             int height,
+                             const absl::optional<int>& max_fps) override {
+    video_capturer_->OnOutputFormatRequest(width, height, max_fps);
+  }
+
+  void SetScreencast(bool is_screencast) override {
+    RTC_DCHECK_RUN_ON(&sequence_checker_);
+    is_screencast_ = is_screencast;
+  }
+
+ protected:
+  rtc::VideoSourceInterface<VideoFrame>* source() override {
+    return video_capturer_.get();
+  }
+
+ private:
+  const std::unique_ptr<test::TestVideoCapturer> video_capturer_;
+  SequenceChecker sequence_checker_;
+  bool is_screencast_ RTC_GUARDED_BY(sequence_checker_);
+};
+
+}  // namespace webrtc_pc_e2e
+}  // namespace webrtc
+
+#endif  // TEST_PC_E2E_MEDIA_TEST_VIDEO_CAPTURER_VIDEO_TRACK_SOURCE_H_