Stop refcounting URLRequestContext.

net/url_request/url_request.h

 // 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.
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_H_
 #define NET_URL_REQUEST_URL_REQUEST_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 667 matching lines @@
   void NotifyReadCompleted(int bytes_read);
 
   // Called when the delegate blocks or unblocks this request when intercepting
   // certain requests.
   void SetBlockedOnDelegate();
   void SetUnblockedOnDelegate();
 
   // Contextual information used for this request (can be NULL). This contains
   // most of the dependencies which are shared between requests (disk cache,
   // cookie store, socket pool, etc.)
-  scoped_refptr<const URLRequestContext> context_;
+  const URLRequestContext* context_;
 
   // Tracks the time spent in various load states throughout this request.
   BoundNetLog net_log_;
 
   scoped_refptr<URLRequestJob> job_;
   scoped_refptr<UploadData> upload_;
   std::vector<GURL> url_chain_;
   GURL first_party_for_cookies_;
   GURL delegate_redirect_url_;
   std::string method_;  // "GET", "POST", etc. Should be all uppercase.
@@ skipping 67 matching lines @@
   scoped_refptr<AuthChallengeInfo> auth_info_;
 
   base::TimeTicks creation_time_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequest);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_H_