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

net/quic/crypto/curve25519_key_exchange.h

Index: net/quic/crypto/curve25519_key_exchange.h
diff --git a/net/quic/crypto/curve25519_key_exchange.h b/net/quic/crypto/curve25519_key_exchange.h
index 1637bbb481de1145c9d4294b6044cb63aac2e92d..a95cf7f6ce6d063193e3d2912aaaf6fff06c3708 100644
--- a/net/quic/crypto/curve25519_key_exchange.h
+++ b/net/quic/crypto/curve25519_key_exchange.h
@@ -26,7 +26,7 @@ class NET_EXPORT_PRIVATE Curve25519KeyExchange : public KeyExchange {
 
   // New creates a new object from a private key. If the private key is
   // invalid, nullptr is returned.
-  static Curve25519KeyExchange* New(const base::StringPiece& private_key);
+  static Curve25519KeyExchange* New(base::StringPiece private_key);
 
   // NewPrivateKey returns a private key, generated from |rand|, suitable for
   // passing to |New|.
@@ -34,7 +34,7 @@ class NET_EXPORT_PRIVATE Curve25519KeyExchange : public KeyExchange {
 
   // KeyExchange interface.
   KeyExchange* NewKeyPair(QuicRandom* rand) const override;
-  bool CalculateSharedKey(const base::StringPiece& peer_public_value,
+  bool CalculateSharedKey(base::StringPiece peer_public_value,
                           std::string* shared_key) const override;
   base::StringPiece public_value() const override;
   QuicTag tag() const override;