Use content::RunBlockingPoolTask() in tests.

chrome/browser/chromeos/login/supervised/supervised_user_test_base.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_test_base.h"
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/run_loop.h"
@@ skipping 323 matching lines @@
 
   ::testing::Mock::VerifyAndClearExpectations(mock_homedir_methods_);
 
   EXPECT_TRUE(registration_utility_stub_->register_was_called());
   EXPECT_EQ(registration_utility_stub_->display_name(),
             base::UTF8ToUTF16(expected_display_name));
 
   registration_utility_stub_->RunSuccessCallback("token");
 
   // Token writing moves control to BlockingPool and back.
-  base::RunLoop().RunUntilIdle();
-  content::BrowserThread::GetBlockingPool()->FlushForTesting();
-  base::RunLoop().RunUntilIdle();
+  content::RunAllBlockingPoolTasksUntilIdle();
 
   JSExpect(StringPrintf("%s == 'created'", kCurrentPage));
   JSEval("$('supervised-user-creation-gotit-button').click()");
 }
 
 void SupervisedUserTestBase::SigninAsSupervisedUser(
     bool check_homedir_calls,
     int user_index,
     const std::string& expected_display_name) {
   if (check_homedir_calls)
@@ skipping 26 matching lines @@
   const user_manager::User* user =
       user_manager::UserManager::Get()->GetUsers().at(user_index);
   LoginUser(user->email());
   Profile* profile = ProfileHelper::Get()->GetProfileByUserUnsafe(user);
   shared_settings_adapter_.reset(
       new SupervisedUsersSharedSettingsSyncTestAdapter(profile));
   supervised_users_adapter_.reset(new SupervisedUsersSyncTestAdapter(profile));
 }
 
 void SupervisedUserTestBase::RemoveSupervisedUser(
-    unsigned long original_user_count,
+    size_t original_user_count,
     int user_index,
     const std::string& expected_display_name) {
   // Remove supervised user.
   ASSERT_EQ(original_user_count,
             user_manager::UserManager::Get()->GetUsers().size());
 
   // Created supervised user have to be first in a list.
   const user_manager::User* user =
       user_manager::UserManager::Get()->GetUsers().at(user_index);
   ASSERT_EQ(base::UTF8ToUTF16(expected_display_name), user->display_name());
@@ skipping 24 matching lines @@
   JSEval(StringPrintf(
       "$('pod-row').pods[%d].querySelector('.remove-warning-button').click()",
       user_index));
 
   // Make sure there is no supervised user in list.
   ASSERT_EQ(original_user_count - 1,
             user_manager::UserManager::Get()->GetUsers().size());
 }
 
 }  // namespace chromeos