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

net/quic/crypto/chacha20_poly1305_decrypter_nss.cc

 // Copyright 2014 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/chacha20_poly1305_decrypter.h"
 
 #include <pk11pub.h>
 
 using base::StringPiece;
 
@@ skipping 11 matching lines @@
                         kKeySize,
                         kAuthTagSize,
                         kNoncePrefixSize) {
   static_assert(kKeySize <= kMaxKeySize, "key size too big");
   static_assert(kNoncePrefixSize <= kMaxNoncePrefixSize,
                 "nonce prefix size too big");
 }
 
 ChaCha20Poly1305Decrypter::~ChaCha20Poly1305Decrypter() {}
 
-void ChaCha20Poly1305Decrypter::FillAeadParams(
-    StringPiece nonce,
-    const StringPiece& associated_data,
-    size_t auth_tag_size,
-    AeadParams* aead_params) const {
+void ChaCha20Poly1305Decrypter::FillAeadParams(StringPiece nonce,
+                                               StringPiece associated_data,
+                                               size_t auth_tag_size,
+                                               AeadParams* aead_params) const {
   aead_params->len = sizeof(aead_params->data.nss_aead_params);
   CK_NSS_AEAD_PARAMS* nss_aead_params = &aead_params->data.nss_aead_params;
   nss_aead_params->pIv =
       reinterpret_cast<CK_BYTE*>(const_cast<char*>(nonce.data()));
   nss_aead_params->ulIvLen = nonce.size();
   nss_aead_params->pAAD =
       reinterpret_cast<CK_BYTE*>(const_cast<char*>(associated_data.data()));
   nss_aead_params->ulAADLen = associated_data.size();
   nss_aead_params->ulTagLen = auth_tag_size;
 }
 
 const char* ChaCha20Poly1305Decrypter::cipher_name() const {
   // TODO(rtenneti): Use TLS1_TXT_ECDHE_RSA_WITH_CHACHA20_POLY1305 instead of
   // hard coded string.
   // return TLS1_TXT_ECDHE_RSA_WITH_CHACHA20_POLY1305;
   return "ECDHE-RSA-CHACHA20-POLY1305";
 }
 
 uint32_t ChaCha20Poly1305Decrypter::cipher_id() const {
   // TODO(rtenneti): when Chromium requires NSS 3.15.2 or later, use
   // TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305 instead of 0xCC13.
   // "OR" 0x03000000 to match OpenSSL/BoringSSL implementations.
   return 0x03000000 | 0xCC13;
 }
 
 }  // namespace net