Stop refcounting URLRequestContext.

net/url_request/url_request_ftp_job.h

 // Copyright (c) 2011 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 NET_URL_REQUEST_URL_REQUEST_FTP_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_FTP_JOB_H_
 #pragma once
 
 #include <string>
 
@@ skipping 49 matching lines @@
                            int buf_size,
                            int *bytes_read) OVERRIDE;
 
   FtpRequestInfo request_info_;
   scoped_ptr<FtpTransaction> transaction_;
 
   bool read_in_progress_;
 
   scoped_refptr<AuthData> server_auth_;
 
-  // Keep a reference to the url request context to be sure it's not deleted
-  // before us.
-  scoped_refptr<const URLRequestContext> context_;
-
   base::WeakPtrFactory<URLRequestFtpJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestFtpJob);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_FTP_JOB_H_