Remove remaining calls to deprecated MessageLoop methods on Mac.

chrome/browser/ui/cocoa/keystone_infobar_delegate.mm

 // Copyright (c) 2012 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/ui/cocoa/keystone_infobar_delegate.h"
 
 #import <AppKit/AppKit.h>
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
-#include "base/message_loop/message_loop.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #import "chrome/browser/mac/keystone_glue.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/cocoa/last_active_browser_cocoa.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/grit/chromium_strings.h"
@@ skipping 65 matching lines @@
 }
 
 KeystonePromotionInfoBarDelegate::KeystonePromotionInfoBarDelegate(
     PrefService* prefs)
     : ConfirmInfoBarDelegate(),
       prefs_(prefs),
       can_expire_(false),
       weak_ptr_factory_(this) {
   const base::TimeDelta kCanExpireOnNavigationAfterDelay =
       base::TimeDelta::FromSeconds(8);
-  base::MessageLoop::current()->PostDelayedTask(FROM_HERE,
-      base::Bind(&KeystonePromotionInfoBarDelegate::SetCanExpire,
-                 weak_ptr_factory_.GetWeakPtr()),
+  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+      FROM_HERE, base::Bind(&KeystonePromotionInfoBarDelegate::SetCanExpire,
+                            weak_ptr_factory_.GetWeakPtr()),
       kCanExpireOnNavigationAfterDelay);
 }
 
 KeystonePromotionInfoBarDelegate::~KeystonePromotionInfoBarDelegate() {
 }
 
 infobars::InfoBarDelegate::InfoBarIdentifier
 KeystonePromotionInfoBarDelegate::GetIdentifier() const {
   return KEYSTONE_PROMOTION_INFOBAR_DELEGATE;
 }
@@ skipping 111 matching lines @@
 
 @end  // @implementation KeystonePromotionInfoBar
 
 // static
 void KeystoneInfoBar::PromotionInfoBar(Profile* profile) {
   KeystonePromotionInfoBar* promotionInfoBar =
       [[[KeystonePromotionInfoBar alloc] init] autorelease];
 
   [promotionInfoBar checkAndShowInfoBarForProfile:profile];
 }