iwyu: Use callback_old.h where appropriate, part 1.

content/browser/certificate_manager_model.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 "content/browser/certificate_manager_model.h"
 
+#include "base/callback_old.h"
 #include "base/i18n/time_formatting.h"
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/crypto_module_password_dialog.h"
 #include "chrome/common/net/x509_certificate_model.h"
 #include "net/base/crypto_module.h"
 #include "net/base/net_errors.h"
 #include "net/base/x509_certificate.h"
 
 CertificateManagerModel::CertificateManagerModel(Observer* observer)
@@ skipping 105 matching lines @@
                                            unsigned int trust_bits) {
   return cert_db_.SetCertTrust(cert, type, trust_bits);
 }
 
 bool CertificateManagerModel::Delete(net::X509Certificate* cert) {
   bool result = cert_db_.DeleteCertAndKey(cert);
   if (result)
     Refresh();
   return result;
 }