Remove unused base/threading/worker_pool.h includes.

chromeos/cert_loader.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/cert_loader.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/task_scheduler/post_task.h"
-#include "base/threading/worker_pool.h"
 #include "crypto/nss_util.h"
 #include "crypto/scoped_nss_types.h"
 #include "net/cert/nss_cert_database.h"
 #include "net/cert/nss_cert_database_chromeos.h"
 #include "net/cert/x509_certificate.h"
 
 namespace chromeos {
 
 namespace {
 
@@ skipping 217 matching lines @@
   for (auto& observer : observers_)
     observer.OnCertificatesLoaded(*all_certs_, initial_load);
 }
 
 void CertLoader::OnCertDBChanged() {
   VLOG(1) << "OnCertDBChanged";
   LoadCertificates();
 }
 
 }  // namespace chromeos