Move the NSS functions out of CertDatabase into a new NSSCertDatabase class.

net/base/cert_database_win.cc

 // Copyright (c) 2010 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/base/cert_database.h"
 
 #include <windows.h>
 #include <wincrypt.h>
 #pragma comment(lib, "crypt32.lib")
 
 #include "net/base/net_errors.h"
 #include "net/base/x509_certificate.h"
 
 namespace net {
 
-CertDatabase::CertDatabase() {
-}
-
 int CertDatabase::CheckUserCert(X509Certificate* cert) {
   if (!cert)
     return ERR_CERT_INVALID;
   if (cert->HasExpired())
     return ERR_CERT_DATE_INVALID;
 
   // TODO(rsleevi): Should CRYPT_FIND_SILENT_KEYSET_FLAG be specified? A UI
   // may be shown here / this call may block.
   if (!CryptFindCertificateKeyProvInfo(cert->os_cert_handle(), 0, NULL))
     return ERR_NO_PRIVATE_KEY_FOR_CERT;
@@ skipping 14 matching lines @@
   BOOL added = CertAddCertificateContextToStore(cert_db,
                                                 cert->os_cert_handle(),
                                                 CERT_STORE_ADD_USE_EXISTING,
                                                 NULL);
 
   CertCloseStore(cert_db, 0);
 
   if (!added)
     return ERR_ADD_USER_CERT_FAILED;
 
-  CertDatabase::NotifyObserversOfUserCertAdded(cert);
+  NotifyObserversOfCertAdded(cert);
   return OK;
 }
 
 }  // namespace net