Adding const to GetUncompressedSize

Change-Id: Ib538c60f5e1fa2e81432bc0992a482aced6eb7cb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1897847
Auto-Submit: Sam Maier <smaier@chromium.org>
Reviewed-by: Adenilson Cavalcanti <cavalcantii@chromium.org>
Commit-Queue: Sam Maier <smaier@chromium.org>
Cr-Commit-Position: refs/heads/master@{#712161}

third_party/zlib/google/compression_utils_portable.cc

@@ -34,7 +34,7 @@ uLongf GZipExpectedCompressedSize(uLongf input_size) {
 
 // The expected decompressed size is stored in the last
 // 4 bytes of |input| in LE.
-uint32_t GetUncompressedSize(Bytef* compressed_data, size_t length) {
+uint32_t GetUncompressedSize(const Bytef* compressed_data, size_t length) {
   uint32_t size;
   if (length < sizeof(size))
     return 0;

third_party/zlib/google/compression_utils_portable.h

@@ -19,7 +19,7 @@ namespace zlib_internal {
 
 uLongf GZipExpectedCompressedSize(uLongf input_size);
 
-uint32_t GetUncompressedSize(Bytef* compressed_data, size_t length);
+uint32_t GetUncompressedSize(const Bytef* compressed_data, size_t length);
 
 int GzipCompressHelper(Bytef* dest,
                        uLongf* dest_length,