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diff --git a/third_party/libwebrtc/modules/video_coding/utility/vp8_header_parser.h b/third_party/libwebrtc/modules/video_coding/utility/vp8_header_parser.h
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+++ b/third_party/libwebrtc/modules/video_coding/utility/vp8_header_parser.h
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+/*
+ *  Copyright (c) 2015 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 MODULES_VIDEO_CODING_UTILITY_VP8_HEADER_PARSER_H_
+#define MODULES_VIDEO_CODING_UTILITY_VP8_HEADER_PARSER_H_
+
+#include <stdint.h>
+#include <stdio.h>
+
+namespace webrtc {
+
+namespace vp8 {
+
+typedef struct VP8BitReader VP8BitReader;
+struct VP8BitReader {
+  // Boolean decoder.
+  uint32_t value_;  // Current value (2 bytes).
+  uint32_t range_;  // Current range (always in [128..255] interval).
+  int bits_;        // Number of bits shifted out of value, at most 7.
+  // Read buffer.
+  const uint8_t* buf_;      // Next byte to be read.
+  const uint8_t* buf_end_;  // End of read buffer.
+};
+
+// Gets the QP, QP range: [0, 127].
+// Returns true on success, false otherwise.
+bool GetQp(const uint8_t* buf, size_t length, int* qp);
+
+}  // namespace vp8
+
+}  // namespace webrtc
+
+#endif  // MODULES_VIDEO_CODING_UTILITY_VP8_HEADER_PARSER_H_