Create a URLRequestContext for PAC fetching.

chrome/browser/net/connection_tester.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_NET_CONNECTION_TESTER_H_
 #define CHROME_BROWSER_NET_CONNECTION_TESTER_H_
 #pragma once
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/completion_callback.h"
 
-class IOThread;
+class URLRequestContext;
 
 // ConnectionTester runs a suite of tests (also called "experiments"),
 // to try and discover why loading a particular URL is failing with an error
 // code.
 //
 // For example, one reason why the URL might have failed, is that the
 // network requires the URL to be routed through a proxy, however chrome is
 // not configured for that.
 //
 // The above issue might be detected by running test that fetches the URL using
@@ skipping 91 matching lines @@
         const Experiment& experiment,
         int result) = 0;
 
     // Called once ALL tests have completed.
     virtual void OnCompletedConnectionTestSuite() = 0;
   };
 
   // Constructs a ConnectionTester that notifies test progress to |delegate|.
   // |delegate| is owned by the caller, and must remain valid for the lifetime
   // of ConnectionTester.
-  ConnectionTester(Delegate* delegate, IOThread* io_thread);
+  ConnectionTester(Delegate* delegate,
+                   URLRequestContext* proxy_request_context);
 
   // Note that destruction cancels any in-progress tests.
   ~ConnectionTester();
 
   // Starts running the test suite on |url|. Notification of progress is sent to
   // |delegate_|.
   void RunAllTests(const GURL& url);
 
   // Returns a text string explaining what |experiment| is testing.
   static string16 ProxySettingsExperimentDescription(
@@ skipping 25 matching lines @@
   // The object to notify test progress to.
   Delegate* delegate_;
 
   // The current in-progress test, or NULL if there is no active test.
   scoped_ptr<TestRunner> current_test_runner_;
 
   // The ordered list of experiments to try next. The experiment at the front
   // of the list is the one currently in progress.
   ExperimentList remaining_experiments_;
 
-  IOThread* io_thread_;
+  const scoped_refptr<URLRequestContext> proxy_request_context_;
 
   DISALLOW_COPY_AND_ASSIGN(ConnectionTester);
 };
 
 #endif  // CHROME_BROWSER_NET_CONNECTION_TESTER_H_
-