| // 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 "base/critical_closure.h" | 
 |  | 
 | #import <UIKit/UIKit.h> | 
 |  | 
 | namespace base { | 
 | namespace internal { | 
 |  | 
 | bool IsMultiTaskingSupported() { | 
 |   return [[UIDevice currentDevice] isMultitaskingSupported]; | 
 | } | 
 |  | 
 | CriticalClosure::CriticalClosure(OnceClosure closure) | 
 |     : closure_(std::move(closure)) {} | 
 |  | 
 | CriticalClosure::~CriticalClosure() {} | 
 |  | 
 | void CriticalClosure::Run() { | 
 |   std::move(closure_).Run(); | 
 | } | 
 |  | 
 | }  // namespace internal | 
 | }  // namespace base |