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diff --git a/third_party/libwebrtc/test/frame_utils.h b/third_party/libwebrtc/test/frame_utils.h
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index 0000000000..1f2b381afb
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+++ b/third_party/libwebrtc/test/frame_utils.h
@@ -0,0 +1,51 @@
+/*
+ *  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_FRAME_UTILS_H_
+#define TEST_FRAME_UTILS_H_
+
+#include <stdint.h>
+
+#include "api/scoped_refptr.h"
+#include "api/video/nv12_buffer.h"
+
+namespace webrtc {
+class I420Buffer;
+class VideoFrame;
+class VideoFrameBuffer;
+namespace test {
+
+bool EqualPlane(const uint8_t* data1,
+                const uint8_t* data2,
+                int stride1,
+                int stride2,
+                int width,
+                int height);
+
+static inline bool EqualPlane(const uint8_t* data1,
+                              const uint8_t* data2,
+                              int stride,
+                              int width,
+                              int height) {
+  return EqualPlane(data1, data2, stride, stride, width, height);
+}
+
+bool FramesEqual(const webrtc::VideoFrame& f1, const webrtc::VideoFrame& f2);
+
+bool FrameBufsEqual(const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& f1,
+                    const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& f2);
+
+rtc::scoped_refptr<I420Buffer> ReadI420Buffer(int width, int height, FILE*);
+
+rtc::scoped_refptr<NV12Buffer> ReadNV12Buffer(int width, int height, FILE*);
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // TEST_FRAME_UTILS_H_