Beginning work on GN build

third_party/zlib/google/compression_utils.h

Index: third_party/zlib/google/compression_utils.h
diff --git a/third_party/zlib/google/compression_utils.h b/third_party/zlib/google/compression_utils.h
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+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_H_
+#define THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_H_
+
+#include <string>
+
+namespace compression {
+
+// Compresses the data in |input| using gzip, storing the result in |output|.
+// |input| and |output| are allowed to be the same string (in-place operation).
+bool GzipCompress(const std::string& input, std::string* output);
+
+// Uncompresses the data in |input| using gzip, storing the result in |output|.
+// |input| and |output| are allowed to be the same string (in-place operation).
+bool GzipUncompress(const std::string& input, std::string* output);
+
+}  // namespace compression
+
+#endif  // THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_H_