Rename USE_NSS to USE_NSS_CERTS.

components/ownership/mock_owner_key_util.cc

Index: components/ownership/mock_owner_key_util.cc
diff --git a/components/ownership/mock_owner_key_util.cc b/components/ownership/mock_owner_key_util.cc
index 495f993397edf4e432b31115c2199eece43b87ec..703351d92b954649624fca267377780b5e635388 100644
--- a/components/ownership/mock_owner_key_util.cc
+++ b/components/ownership/mock_owner_key_util.cc
@@ -20,13 +20,13 @@ bool MockOwnerKeyUtil::ImportPublicKey(std::vector<uint8>* output) {
   return !public_key_.empty();
 }
 
-#if defined(USE_NSS)
+#if defined(USE_NSS_CERTS)
 crypto::RSAPrivateKey* MockOwnerKeyUtil::FindPrivateKeyInSlot(
     const std::vector<uint8>& key,
     PK11SlotInfo* slot) {
   return private_key_.get() ? private_key_->Copy() : NULL;
 }
-#endif  // defined(USE_NSS)
+#endif  // defined(USE_NSS_CERTS)
 
 bool MockOwnerKeyUtil::IsPublicKeyPresent() {
   return !public_key_.empty();