Rename USE_NSS to USE_NSS_CERTS.

net/quic/crypto/aes_128_gcm_12_encrypter_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/aes_128_gcm_12_encrypter.h"
 
 #include <pk11pub.h>
 #include <secerr.h>
 
 #include "base/lazy_instance.h"
 #include "crypto/ghash.h"
 #include "crypto/scoped_nss_types.h"
 
-#if defined(USE_NSS)
+#if defined(USE_NSS_CERTS)
 #include <dlfcn.h>
 #endif
 
 using base::StringPiece;
 
 namespace net {
 
 namespace {
 
 const size_t kKeySize = 16;
 const size_t kNoncePrefixSize = 4;
 
 // On Linux, dynamically link against the system version of libnss3.so. In
 // order to continue working on systems without up-to-date versions of NSS,
 // lookup PK11_Encrypt with dlsym.
 
 // GcmSupportChecker is a singleton which caches the results of runtime symbol
 // resolution of PK11_Encrypt.
 class GcmSupportChecker {
  public:
   static PK11_EncryptFunction pk11_encrypt_func() {
     return pk11_encrypt_func_;
   }
 
  private:
   friend struct base::DefaultLazyInstanceTraits<GcmSupportChecker>;
 
   GcmSupportChecker() {
-#if !defined(USE_NSS)
+#if !defined(USE_NSS_CERTS)
     // Using a bundled version of NSS that is guaranteed to have this symbol.
     pk11_encrypt_func_ = PK11_Encrypt;
 #else
     // Using system NSS libraries and PCKS #11 modules, which may not have the
     // necessary function (PK11_Encrypt) or mechanism support (CKM_AES_GCM).
 
     // If PK11_Encrypt() was successfully resolved, then NSS will support
     // AES-GCM directly. This was introduced in NSS 3.15.
     pk11_encrypt_func_ = (PK11_EncryptFunction)dlsym(RTLD_DEFAULT,
                                                      "PK11_Encrypt");
@@ skipping 172 matching lines @@
   gcm_params->pIv =
       reinterpret_cast<CK_BYTE*>(const_cast<char*>(nonce.data()));
   gcm_params->ulIvLen = nonce.size();
   gcm_params->pAAD =
       reinterpret_cast<CK_BYTE*>(const_cast<char*>(associated_data.data()));
   gcm_params->ulAADLen = associated_data.size();
   gcm_params->ulTagBits = auth_tag_size * 8;
 }
 
 }  // namespace net