Remove all remaining traces of MessageLoopProxy.

chrome/browser/chromeos/policy/user_network_configuration_updater.cc

 // Copyright 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 "chrome/browser/chromeos/policy/user_network_configuration_updater.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 123 matching lines @@
       base::Bind(
           &UserNetworkConfigurationUpdater::CreateAndSetCertificateImporter,
           weak_factory_.GetWeakPtr()));
 }
 
 void UserNetworkConfigurationUpdater::CreateAndSetCertificateImporter(
     net::NSSCertDatabase* database) {
   DCHECK(database);
   SetCertificateImporter(std::unique_ptr<chromeos::onc::CertificateImporter>(
       new chromeos::onc::CertificateImporterImpl(
-          content::BrowserThread::GetMessageLoopProxyForThread(
+          content::BrowserThread::GetTaskRunnerForThread(
               content::BrowserThread::IO),
           database)));
 }
 
 void UserNetworkConfigurationUpdater::SetCertificateImporter(
     std::unique_ptr<chromeos::onc::CertificateImporter> certificate_importer) {
   certificate_importer_ = std::move(certificate_importer);
 
   if (pending_certificates_onc_)
     ImportCertificates(*pending_certificates_onc_);
   pending_certificates_onc_.reset();
 }
 
 void UserNetworkConfigurationUpdater::NotifyTrustAnchorsChanged() {
   FOR_EACH_OBSERVER(WebTrustedCertsObserver,
                     observer_list_,
                     OnTrustAnchorsChanged(web_trust_certs_));
 }
 
 }  // namespace policy