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diff --git a/chromium/third_party/webrtc/base/versionparsing.h b/chromium/third_party/webrtc/base/versionparsing.h
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+++ b/chromium/third_party/webrtc/base/versionparsing.h
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+/*
+ *  Copyright 2004 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 WEBRTC_BASE_VERSIONPARSING_H_
+#define WEBRTC_BASE_VERSIONPARSING_H_
+
+#include <string>
+
+namespace rtc {
+
+// Parses a version string into an array. "num_expected_segments" must be the
+// number of numerical segments that the version is expected to have (e.g.,
+// "1.1.2.0" has 4). "version" must be an array of that length to hold the
+// parsed numbers.
+// Returns "true" iff successful.
+bool ParseVersionString(const std::string& version_str,
+                        int num_expected_segments,
+                        int version[]);
+
+// Computes the lexicographical order of two versions. The return value
+// indicates the order in the standard way (e.g., see strcmp()).
+int CompareVersions(const int version1[],
+                    const int version2[],
+                    int num_segments);
+
+}  // namespace rtc
+
+#endif  // WEBRTC_BASE_VERSIONPARSING_H_