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

chrome/browser/chromeos/app_mode/kiosk_profile_loader.cc

 // Copyright 2013 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/app_mode/kiosk_profile_loader.h"
 
 #include "base/logging.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
@@ skipping 109 matching lines @@
 KioskProfileLoader::KioskProfileLoader(const std::string& app_user_id,
                                        bool use_guest_mount,
                                        Delegate* delegate)
     : user_id_(app_user_id),
       use_guest_mount_(use_guest_mount),
       delegate_(delegate) {}
 
 KioskProfileLoader::~KioskProfileLoader() {}
 
 void KioskProfileLoader::Start() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   login_performer_.reset();
   cryptohomed_checker_.reset(new CryptohomedChecker(this));
   cryptohomed_checker_->StartCheck();
 }
 
 void KioskProfileLoader::LoginAsKioskAccount() {
   login_performer_.reset(new ChromeLoginPerformer(this));
   login_performer_->LoginAsKioskAccount(user_id_, use_guest_mount_);
 }
 
 void KioskProfileLoader::ReportLaunchResult(KioskAppLaunchError::Error error) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   if (error != KioskAppLaunchError::NONE) {
     delegate_->OnProfileLoadFailed(error);
   }
 }
 
 void KioskProfileLoader::OnAuthSuccess(const UserContext& user_context) {
   // LoginPerformer will delete itself.
   login_performer_->set_delegate(NULL);
   ignore_result(login_performer_.release());
@@ skipping 34 matching lines @@
                                            bool browser_launched) {
   // This object could be deleted any time after successfully reporting
   // a profile load, so invalidate the delegate now.
   UserSessionManager::GetInstance()->DelegateDeleted(this);
 
   delegate_->OnProfileLoaded(profile);
   ReportLaunchResult(KioskAppLaunchError::NONE);
 }
 
 }  // namespace chromeos