Update brotli to v1.0.0-snapshot.

third_party/brotli/dec/prefix.h

Index: third_party/brotli/dec/prefix.h
diff --git a/third_party/brotli/dec/prefix.h b/third_party/brotli/dec/prefix.h
index eaae37f02a561ef241be9e49e49a4e295157c53f..aa776c7233c2c857d43a75b1fa3e8613f80838f9 100644
--- a/third_party/brotli/dec/prefix.h
+++ b/third_party/brotli/dec/prefix.h
@@ -11,7 +11,8 @@
 #ifndef BROTLI_DEC_PREFIX_H_
 #define BROTLI_DEC_PREFIX_H_
 
-#include "./types.h"
+#include "../common/constants.h"
+#include <brotli/types.h>
 
 /* Represents the range of values belonging to a prefix code: */
 /* [offset, offset + 2^nbits) */
@@ -20,7 +21,8 @@ struct PrefixCodeRange {
   uint8_t nbits;
 };
 
-static const struct PrefixCodeRange kBlockLengthPrefixCode[] = {
+static const struct PrefixCodeRange
+    kBlockLengthPrefixCode[BROTLI_NUM_BLOCK_LEN_SYMBOLS] = {
   {   1,  2}, {    5,  2}, {  9,   2}, {  13,  2},
   {  17,  3}, {   25,  3}, {  33,  3}, {  41,  3},
   {  49,  4}, {   65,  4}, {  81,  4}, {  97,  4},
@@ -39,7 +41,7 @@ typedef struct CmdLutElement {
   uint16_t copy_len_offset;
 } CmdLutElement;
 
-static const CmdLutElement kCmdLut[704] = {
+static const CmdLutElement kCmdLut[BROTLI_NUM_COMMAND_SYMBOLS] = {
   { 0x00, 0x00, 0, 0x00, 0x0000, 0x0002 },
   { 0x00, 0x00, 0, 0x01, 0x0000, 0x0003 },
   { 0x00, 0x00, 0, 0x02, 0x0000, 0x0004 },