Added brotli enc/ and tools/ directories.

third_party/brotli/dec/state.h

 /* Copyright 2015 Google Inc. All Rights Reserved.
 
    Distributed under MIT license.
    See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
 */
 
 /* Brotli state for partial streaming decoding. */
 
 #ifndef BROTLI_DEC_STATE_H_
 #define BROTLI_DEC_STATE_H_
@@ skipping 175 matching lines @@
   HuffmanCode* next;
 
   /* For DecodeContextMap */
   uint32_t context_index;
   uint32_t max_run_length_prefix;
   uint32_t code;
   HuffmanCode context_map_table[BROTLI_HUFFMAN_MAX_SIZE_272];
 
   /* For InverseMoveToFrontTransform */
   uint32_t mtf_upper_bound;
-  uint8_t mtf[256];
+  uint8_t mtf[256 + 4];
 
   /* For custom dictionaries */
   const uint8_t* custom_dict;
   int custom_dict_size;
 
   /* less used attributes are in the end of this struct */
   /* States inside function calls */
   BrotliRunningMetablockHeaderState substate_metablock_header;
   BrotliRunningTreeGroupState substate_tree_group;
   BrotliRunningContextMapState substate_context_map;
@@ skipping 25 matching lines @@
 BROTLI_INTERNAL void BrotliHuffmanTreeGroupInit(BrotliState* s,
     HuffmanTreeGroup* group, uint32_t alphabet_size, uint32_t ntrees);
 BROTLI_INTERNAL void BrotliHuffmanTreeGroupRelease(BrotliState* s,
     HuffmanTreeGroup* group);
 
 #if defined(__cplusplus) || defined(c_plusplus)
 }  /* extern "C" */
 #endif
 
 #endif  /* BROTLI_DEC_STATE_H_ */