Switch "const StringPiece&" to just "StringPiece" in QUIC code. No functional change. Not flag prot…

net/quic/crypto/null_decrypter.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/crypto/null_decrypter.h"
 
 #include <stdint.h>
 
 #include "net/quic/quic_bug_tracker.h"
 #include "net/quic/quic_data_reader.h"
 #include "net/quic/quic_utils.h"
 
 using base::StringPiece;
 using std::string;
 
 namespace net {
 
 NullDecrypter::NullDecrypter() {}
 
 bool NullDecrypter::SetKey(StringPiece key) {
   return key.empty();
 }
 
 bool NullDecrypter::SetNoncePrefix(StringPiece nonce_prefix) {
   return nonce_prefix.empty();
 }
 
 bool NullDecrypter::DecryptPacket(QuicPathId /*path_id*/,
                                   QuicPacketNumber /*packet_number*/,
-                                  const StringPiece& associated_data,
-                                  const StringPiece& ciphertext,
+                                  StringPiece associated_data,
+                                  StringPiece ciphertext,
                                   char* output,
                                   size_t* output_length,
                                   size_t max_output_length) {
   QuicDataReader reader(ciphertext.data(), ciphertext.length());
   uint128 hash;
 
   if (!ReadHash(&reader, &hash)) {
     return false;
   }
 
@@ skipping 43 matching lines @@
                                    const StringPiece data2) const {
   uint128 correct_hash = QuicUtils::FNV1a_128_Hash_Two(
       data1.data(), data1.length(), data2.data(), data2.length());
   uint128 mask(UINT64_C(0x0), UINT64_C(0xffffffff));
   mask <<= 96;
   correct_hash &= ~mask;
   return correct_hash;
 }
 
 }  // namespace net