Added brotli enc/ and tools/ directories.

third_party/brotli/enc/types.h

+/* Copyright 2013 Google Inc. All Rights Reserved.
+
+   Distributed under MIT license.
+   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+/* Common types */
+
+#ifndef BROTLI_ENC_TYPES_H_
+#define BROTLI_ENC_TYPES_H_
+
+#include <stddef.h>  /* for size_t */
+
+#if defined(_MSC_VER) && (_MSC_VER < 1600)
+typedef __int8 int8_t;
+typedef unsigned __int8 uint8_t;
+typedef __int16 int16_t;
+typedef unsigned __int16 uint16_t;
+typedef __int32 int32_t;
+typedef unsigned __int32 uint32_t;
+typedef unsigned __int64 uint64_t;
+typedef __int64 int64_t;
+#else
+#include <stdint.h>
+#endif  /* defined(_MSC_VER) && (_MSC_VER < 1600) */
+
+#define MAKE_UINT64_T(high, low) ((((uint64_t)(high)) << 32) | low)
+
+#endif  /* BROTLI_ENC_TYPES_H_ */