Make NSSCertDatabase::ListCerts work async on a worker thread.

chrome/browser/certificate_manager_model.cc

 // Copyright (c) 2012 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 "chrome/browser/certificate_manager_model.h"
 
 #include "base/bind.h"
 #include "base/i18n/time_formatting.h"
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 73 matching lines @@
       modules,
       chrome::kCryptoModulePasswordListCerts,
       net::HostPortPair(),  // unused.
       NULL, // TODO(mattm): supply parent window.
       base::Bind(&CertificateManagerModel::RefreshSlotsUnlocked,
                  base::Unretained(this)));
 }
 
 void CertificateManagerModel::RefreshSlotsUnlocked() {
   DVLOG(1) << "refresh listing certs...";
-  cert_db_->ListCerts(&cert_list_);
+  cert_db_->ListCertsSync(&cert_list_);
   observer_->CertificatesRefreshed();
   DVLOG(1) << "refresh finished";
 }
 
 void CertificateManagerModel::FilterAndBuildOrgGroupingMap(
     net::CertType filter_type,
     CertificateManagerModel::OrgGroupingMap* map) const {
   for (net::CertificateList::const_iterator i = cert_list_.begin();
        i != cert_list_.end(); ++i) {
     net::X509Certificate* cert = i->get();
@@ skipping 139 matching lines @@
     const CreationCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   net::NSSCertDatabase* cert_db = GetNSSCertDatabaseForResourceContext(
       context,
       base::Bind(&CertificateManagerModel::DidGetCertDBOnIOThread,
                  observer,
                  callback));
   if (cert_db)
     DidGetCertDBOnIOThread(observer, callback, cert_db);
 }