Update from https://crrev.com/306655

net/filter/gzip_header.cc

Index: net/filter/gzip_header.cc
diff --git a/net/filter/gzip_header.cc b/net/filter/gzip_header.cc
index 4d1cad91489e4639f4296345d71e16c2cf266b21..f4aca6b1518f3588ab2ff585c9a8ff8ac0d275cd 100644
--- a/net/filter/gzip_header.cc
+++ b/net/filter/gzip_header.cc
@@ -105,7 +105,7 @@ GZipHeader::Status GZipHeader::ReadMore(const char* inbuf, int inbuf_len,
       case IN_FEXTRA: {
         // Grab the rest of the bytes in the extra field, or as many
         // of them as are actually present so far.
-        const int num_extra_bytes = static_cast<const int>(std::min(
+        const uint16 num_extra_bytes = static_cast<uint16>(std::min(
             static_cast<ptrdiff_t>(extra_length_),
             (end - pos)));
         pos += num_extra_bytes;