favor DCHECK_CURRENTLY_ON for better logs in chrome/browser/chromeos/

chrome/browser/chromeos/login/supervised/supervised_user_login_flow.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_login_flow.h"
 
 #include "base/base64.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 54 matching lines @@
 bool SupervisedUserLoginFlow::HandleLoginFailure(const AuthFailure& failure) {
   return false;
 }
 
 bool SupervisedUserLoginFlow::HandlePasswordChangeDetected() {
   return false;
 }
 
 void SupervisedUserLoginFlow::OnSyncSetupDataLoaded(
     const std::string& token) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   ConfigureSync(token);
 }
 
 void SupervisedUserLoginFlow::ConfigureSync(const std::string& token) {
   data_loaded_ = true;
 
   // TODO(antrim): add error handling (no token loaded).
   // See also: http://crbug.com/312751
   ChromeUserManager::Get()->GetSupervisedUserManager()->ConfigureSyncWithToken(
       profile_, token);
@@ skipping 174 matching lines @@
 void SupervisedUserLoginFlow::LaunchExtraSteps(
     Profile* profile) {
   profile_ = profile;
   ChromeUserManager::Get()->GetSupervisedUserManager()->LoadSupervisedUserToken(
       profile,
       base::Bind(&SupervisedUserLoginFlow::OnSyncSetupDataLoaded,
                  weak_factory_.GetWeakPtr()));
 }
 
 }  // namespace chromeos