Rename USE_NSS to USE_NSS_CERTS.

net/quic/crypto/chacha20_poly1305_encrypter_nss.cc

Index: net/quic/crypto/chacha20_poly1305_encrypter_nss.cc
diff --git a/net/quic/crypto/chacha20_poly1305_encrypter_nss.cc b/net/quic/crypto/chacha20_poly1305_encrypter_nss.cc
index 770088cb1deb374da0f525c896c66c9cffcf0577..2c51da83507999f89981bbbda6dd12e80bacfc2b 100644
--- a/net/quic/crypto/chacha20_poly1305_encrypter_nss.cc
+++ b/net/quic/crypto/chacha20_poly1305_encrypter_nss.cc
@@ -19,7 +19,7 @@ const size_t kNoncePrefixSize = 0;
 
 }  // namespace
 
-#if defined(USE_NSS)
+#if defined(USE_NSS_CERTS)
 
 // System NSS doesn't support ChaCha20+Poly1305 yet.
 
@@ -43,7 +43,7 @@ void ChaCha20Poly1305Encrypter::FillAeadParams(StringPiece nonce,
   NOTIMPLEMENTED();
 }
 
-#else  // defined(USE_NSS)
+#else  // defined(USE_NSS_CERTS)
 
 ChaCha20Poly1305Encrypter::ChaCha20Poly1305Encrypter()
     : AeadBaseEncrypter(CKM_NSS_CHACHA20_POLY1305, PK11_Encrypt, kKeySize,
@@ -75,6 +75,6 @@ void ChaCha20Poly1305Encrypter::FillAeadParams(StringPiece nonce,
   nss_aead_params->ulTagLen = auth_tag_size;
 }
 
-#endif  // defined(USE_NSS)
+#endif  // defined(USE_NSS_CERTS)
 
 }  // namespace net