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      1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 // This class simulates what wininet does when a dns lookup fails.
      5 
      6 #ifndef CHROME_BROWSER_NET_URL_REQUEST_FAILED_DNS_JOB_H_
      7 #define CHROME_BROWSER_NET_URL_REQUEST_FAILED_DNS_JOB_H_
      8 #pragma once
      9 
     10 #include "base/task.h"
     11 #include "net/url_request/url_request_job.h"
     12 
     13 class URLRequestFailedDnsJob : public net::URLRequestJob {
     14  public:
     15   explicit URLRequestFailedDnsJob(net::URLRequest* request);
     16 
     17   virtual void Start();
     18 
     19   static net::URLRequestJob* Factory(net::URLRequest* request,
     20                                      const std::string& scheme);
     21 
     22   // A test URL that can be used in UI tests.
     23   static const char kTestUrl[];
     24 
     25   // Adds the testing URLs to the net::URLRequestFilter.
     26   static void AddUrlHandler();
     27 
     28  private:
     29   ~URLRequestFailedDnsJob();
     30 
     31   // Simulate a DNS failure.
     32   void StartAsync();
     33 
     34   ScopedRunnableMethodFactory<URLRequestFailedDnsJob> method_factory_;
     35 };
     36 
     37 #endif  // CHROME_BROWSER_NET_URL_REQUEST_FAILED_DNS_JOB_H_
     38