Some changes to prepare for endian change for QUIC: 1) Make data reader/write be able to read/write…

net/quic/core/crypto/null_decrypter.cc

Index: net/quic/core/crypto/null_decrypter.cc
diff --git a/net/quic/core/crypto/null_decrypter.cc b/net/quic/core/crypto/null_decrypter.cc
index 5e0ea06f69c3b482ff3dc04715b6c8b52f6671ec..c42fd34e9cdaf206e498967e5496c04a88ffa83e 100644
--- a/net/quic/core/crypto/null_decrypter.cc
+++ b/net/quic/core/crypto/null_decrypter.cc
@@ -43,7 +43,8 @@ bool NullDecrypter::DecryptPacket(QuicVersion version,
                                   char* output,
                                   size_t* output_length,
                                   size_t max_output_length) {
-  QuicDataReader reader(ciphertext.data(), ciphertext.length(), perspective_);
+  QuicDataReader reader(ciphertext.data(), ciphertext.length(), perspective_,
+                        HOST_BYTE_ORDER);
   uint128 hash;
 
   if (!ReadHash(&reader, &hash)) {