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diff --git a/third_party/libwebrtc/rtc_base/numerics/divide_round.h b/third_party/libwebrtc/rtc_base/numerics/divide_round.h
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+++ b/third_party/libwebrtc/rtc_base/numerics/divide_round.h
@@ -0,0 +1,60 @@
+/*
+ *  Copyright 2019 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 RTC_BASE_NUMERICS_DIVIDE_ROUND_H_
+#define RTC_BASE_NUMERICS_DIVIDE_ROUND_H_
+
+#include <type_traits>
+
+#include "rtc_base/checks.h"
+#include "rtc_base/numerics/safe_compare.h"
+
+namespace webrtc {
+
+template <typename Dividend, typename Divisor>
+inline auto constexpr DivideRoundUp(Dividend dividend, Divisor divisor) {
+  static_assert(std::is_integral<Dividend>(), "");
+  static_assert(std::is_integral<Divisor>(), "");
+  RTC_DCHECK_GE(dividend, 0);
+  RTC_DCHECK_GT(divisor, 0);
+
+  auto quotient = dividend / divisor;
+  auto remainder = dividend % divisor;
+  return quotient + (remainder > 0 ? 1 : 0);
+}
+
+template <typename Dividend, typename Divisor>
+inline auto constexpr DivideRoundToNearest(Dividend dividend, Divisor divisor) {
+  static_assert(std::is_integral<Dividend>(), "");
+  static_assert(std::is_integral<Divisor>(), "");
+  RTC_DCHECK_GT(divisor, 0);
+
+  if (dividend < Dividend{0}) {
+    auto half_of_divisor = divisor / 2;
+    auto quotient = dividend / divisor;
+    auto remainder = dividend % divisor;
+    if (rtc::SafeGt(-remainder, half_of_divisor)) {
+      --quotient;
+    }
+    return quotient;
+  }
+
+  auto half_of_divisor = (divisor - 1) / 2;
+  auto quotient = dividend / divisor;
+  auto remainder = dividend % divisor;
+  if (rtc::SafeGt(remainder, half_of_divisor)) {
+    ++quotient;
+  }
+  return quotient;
+}
+
+}  // namespace webrtc
+
+#endif  // RTC_BASE_NUMERICS_DIVIDE_ROUND_H_