Add missing #include around sequenced_worker_pool.h in //chrome

chrome/browser/favicon/large_icon_service_factory.cc

 // Copyright 2015 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/favicon/large_icon_service_factory.h"
 
 #include "base/memory/singleton.h"
+#include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/favicon/favicon_service_factory.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/favicon/core/favicon_service.h"
 #include "components/favicon/core/large_icon_service.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 
 // static
@@ skipping 29 matching lines @@
                                            ServiceAccessType::EXPLICIT_ACCESS);
   return new favicon::LargeIconService(
       favicon_service, content::BrowserThread::GetBlockingPool()
                            ->GetTaskRunnerWithShutdownBehavior(
                                base::SequencedWorkerPool::SKIP_ON_SHUTDOWN));
 }
 
 bool LargeIconServiceFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }