Supervised users: Post blocking pool tasks with CONTINUE_SHUTDOWN behavior.

chrome/browser/supervised_user/supervised_user_site_list.cc

 // Copyright 2014 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/supervised_user/supervised_user_site_list.h"
 
 #include "base/files/file_util.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 87 matching lines @@
 
 SupervisedUserSiteList::Site::Site(const base::string16& name) : name(name) {
 }
 
 SupervisedUserSiteList::Site::~Site() {
 }
 
 void SupervisedUserSiteList::Load(const base::FilePath& path,
                                   const LoadedCallback& callback) {
   base::PostTaskAndReplyWithResult(
-      content::BrowserThread::GetBlockingPool(),
+      content::BrowserThread::GetBlockingPool()
+          ->GetTaskRunnerWithShutdownBehavior(
+              base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN).get(),
       FROM_HERE,
       base::Bind(&ReadFileOnBlockingThread, path),
       base::Bind(&SupervisedUserSiteList::ParseJson, path, callback));
 }
 
 // static
 void SupervisedUserSiteList::SetLoadInProcessForTesting(bool in_process) {
   g_load_in_process = in_process;
 }
 
@@ skipping 72 matching lines @@
 
   base::ListValue* sites = nullptr;
   if (!dict->GetList(kSitesKey, &sites)) {
     LOG(ERROR) << "Site list " << path.value()
                << " does not contain any sites";
     return;
   }
 
   callback.Run(make_scoped_refptr(new SupervisedUserSiteList(*sites)));
 }