1 files changed, 34 insertions, 0 deletions
diff --git a/chromium/third_party/webrtc/base/crc32.h b/chromium/third_party/webrtc/base/crc32.h
new file mode 100644
index 00000000000..99b4cac894e
--- /dev/null
+++ b/chromium/third_party/webrtc/base/crc32.h
@@ -0,0 +1,34 @@
+/*
+ *  Copyright 2012 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_CRC32_H_
+#define WEBRTC_BASE_CRC32_H_
+
+#include <string>
+
+#include "webrtc/base/basictypes.h"
+
+namespace rtc {
+
+// Updates a CRC32 checksum with |len| bytes from |buf|. |initial| holds the
+// checksum result from the previous update; for the first call, it should be 0.
+uint32 UpdateCrc32(uint32 initial, const void* buf, size_t len);
+
+// Computes a CRC32 checksum using |len| bytes from |buf|.
+inline uint32 ComputeCrc32(const void* buf, size_t len) {
+  return UpdateCrc32(0, buf, len);
+}
+inline uint32 ComputeCrc32(const std::string& str) {
+  return ComputeCrc32(str.c_str(), str.size());
+}
+
+}  // namespace rtc
+
+#endif  // WEBRTC_BASE_CRC32_H_