Supervised users: Post blocking pool tasks with CONTINUE_SHUTDOWN behavior.

chrome/browser/supervised_user/legacy/supervised_user_registration_utility.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/legacy/supervised_user_registration_utility.h"
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 288 matching lines @@
         pending_supervised_user_id_,
         supervised_users::kChromeOSPasswordData,
         scoped_ptr<base::Value>(info.password_data.DeepCopy()),
         base::Bind(
             &SupervisedUserRegistrationUtilityImpl::
                 OnPasswordChangeAcknowledged,
             weak_ptr_factory_.GetWeakPtr())));
   }
 
   syncer::GetSessionName(
-      content::BrowserThread::GetBlockingPool(),
+      content::BrowserThread::GetBlockingPool()
+          ->GetTaskRunnerWithShutdownBehavior(
+              base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN).get(),
       base::Bind(&SupervisedUserRegistrationUtilityImpl::FetchToken,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
 void SupervisedUserRegistrationUtilityImpl::CancelPendingRegistration() {
   AbortPendingRegistration(
       false,  // Don't run the callback. The error will be ignored.
       GoogleServiceAuthError(GoogleServiceAuthError::NONE));
 }
 
@@ skipping 88 matching lines @@
           pending_supervised_user_id_);
     }
   }
 
   if (run_callback)
     callback_.Run(error, pending_supervised_user_token_);
   callback_.Reset();
 }
 
 } // namespace