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diff --git a/third_party/libwebrtc/test/video_renderer.h b/third_party/libwebrtc/test/video_renderer.h
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+++ b/third_party/libwebrtc/test/video_renderer.h
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+/*
+ *  Copyright (c) 2013 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_VIDEO_RENDERER_H_
+#define TEST_VIDEO_RENDERER_H_
+
+#include <stddef.h>
+
+#include "api/video/video_sink_interface.h"
+
+namespace webrtc {
+class VideoFrame;
+
+namespace test {
+class VideoRenderer : public rtc::VideoSinkInterface<VideoFrame> {
+ public:
+  // Creates a platform-specific renderer if possible, or a null implementation
+  // if failing.
+  static VideoRenderer* Create(const char* window_title,
+                               size_t width,
+                               size_t height);
+  // Returns a renderer rendering to a platform specific window if possible,
+  // NULL if none can be created.
+  // Creates a platform-specific renderer if possible, returns NULL if a
+  // platform renderer could not be created. This occurs, for instance, when
+  // running without an X environment on Linux.
+  static VideoRenderer* CreatePlatformRenderer(const char* window_title,
+                                               size_t width,
+                                               size_t height);
+  virtual ~VideoRenderer() {}
+
+ protected:
+  VideoRenderer() {}
+};
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // TEST_VIDEO_RENDERER_H_