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

net/quic/crypto/p256_key_exchange_nss.cc

 // Copyright (c) 2013 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/p256_key_exchange.h"
 
 #include "base/logging.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/sys_byteorder.h"
 
@@ skipping 135 matching lines @@
 
   return string(&result[0], result_size);
 }
 
 KeyExchange* P256KeyExchange::NewKeyPair(QuicRandom* /*rand*/) const {
   // TODO(agl): avoid the serialisation/deserialisation in this function.
   const string private_value = NewPrivateKey();
   return P256KeyExchange::New(private_value);
 }
 
-bool P256KeyExchange::CalculateSharedKey(const StringPiece& peer_public_value,
+bool P256KeyExchange::CalculateSharedKey(StringPiece peer_public_value,
                                          string* out_result) const {
   if (peer_public_value.size() != kUncompressedP256PointBytes ||
       peer_public_value[0] != kUncompressedECPointForm) {
     DVLOG(1) << "Peer public value is invalid.";
     return false;
   }
 
   DCHECK(key_pair_.get());
   DCHECK(key_pair_->public_key());
 
@@ skipping 48 matching lines @@
 StringPiece P256KeyExchange::public_value() const {
   return StringPiece(reinterpret_cast<const char*>(public_key_),
                      sizeof(public_key_));
 }
 
 QuicTag P256KeyExchange::tag() const {
   return kP256;
 }
 
 }  // namespace net