Use TaskScheduler instead of blocking pool in supervised_user_creation_controller_new.cc.

chrome/browser/chromeos/login/supervised/supervised_user_creation_controller_new.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/chromeos/login/supervised/supervised_user_creation_controller_new.h"
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/metrics/user_metrics.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/sys_info.h"
 #include "base/task_runner_util.h"
-#include "base/threading/sequenced_worker_pool.h"
+#include "base/task_scheduler/post_task.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/supervised/supervised_user_authentication.h"
 #include "chrome/browser/chromeos/login/supervised/supervised_user_constants.h"
 #include "chrome/browser/chromeos/login/users/chrome_user_manager.h"
 #include "chrome/browser/chromeos/login/users/supervised_user_manager.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chromeos/cryptohome/cryptohome_parameters.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/login/auth/key.h"
 #include "chromeos/login/auth/user_context.h"
 #include "components/browser_sync/profile_sync_service.h"
 #include "components/signin/core/account_id/account_id.h"
 #include "components/user_manager/user.h"
 #include "components/user_manager/user_manager.h"
-#include "content/public/browser/browser_thread.h"
 #include "crypto/random.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 
 namespace chromeos {
 
 namespace {
 
 const int kUserCreationTimeoutSeconds = 30;  // 30 seconds.
 
 bool StoreSupervisedUserFiles(const std::string& token,
@@ skipping 296 matching lines @@
     const std::string& token) {
   DCHECK(creation_context_);
   DCHECK_EQ(CRYPTOHOME_CREATED, stage_);
 
   stage_ = DASHBOARD_CREATED;
 
   if (error.state() == GoogleServiceAuthError::NONE) {
     creation_context_->token = token;
 
     PostTaskAndReplyWithResult(
-        content::BrowserThread::GetBlockingPool()
-            ->GetTaskRunnerWithShutdownBehavior(
-                  base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN)
+        base::CreateTaskRunnerWithTraits(
+            base::TaskTraits()
+                .MayBlock()
+                .WithPriority(base::TaskPriority::BACKGROUND)
+                .WithShutdownBehavior(
+                    base::TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN))
             .get(),
         FROM_HERE,
         base::Bind(&StoreSupervisedUserFiles, creation_context_->token,
                    ProfileHelper::GetProfilePathByUserIdHash(
                        creation_context_->mount_hash)),
         base::Bind(
             &SupervisedUserCreationControllerNew::OnSupervisedUserFilesStored,
             weak_factory_.GetWeakPtr()));
   } else {
     stage_ = STAGE_ERROR;
@@ skipping 50 matching lines @@
   creation_context_->registration_utility.reset();
   chrome::AttemptUserExit();
 }
 
 std::string SupervisedUserCreationControllerNew::GetSupervisedUserId() {
   DCHECK(creation_context_);
   return creation_context_->local_user_id;
 }
 
 }  // namespace chromeos