Make CertificateHandler a proper interface of CertificateImporter.

chromeos/network/certificate_handler.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 "chromeos/network/certificate_handler.h"
-
-#include "base/logging.h"
-#include "base/values.h"
-#include "chromeos/network/onc/onc_certificate_importer.h"
-#include "chromeos/network/onc/onc_utils.h"
-
-namespace chromeos {
-
-CertificateHandler::CertificateHandler() {
-}
-
-CertificateHandler::~CertificateHandler() {
-}
-
-bool CertificateHandler::ImportCertificates(
-    const base::ListValue& certificates,
-    onc::ONCSource source,
-    net::CertificateList* onc_trusted_certificates) {
-  VLOG(2) << "ONC file has " << certificates.GetSize() << " certificates";
-
-  // Web trust is only granted to certificates imported by the user.
-  bool allow_trust_imports = source == onc::ONC_SOURCE_USER_IMPORT;
-  onc::CertificateImporter cert_importer(allow_trust_imports);
-  if (cert_importer.ParseAndStoreCertificates(
-          certificates, onc_trusted_certificates, NULL) !=
-      onc::CertificateImporter::IMPORT_OK) {
-    LOG(ERROR) << "Cannot parse some of the certificates in the ONC from "
-               << onc::GetSourceAsString(source);
-    return false;
-  }
-  return true;
-}
-
-}  // namespace chromeos