Remove some calls to URLRequestContext::network_delegate().

net/url_request/url_request_job.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_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_JOB_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 266 matching lines @@
   // Whether the response is being filtered in this job.
   // Only valid after NotifyHeadersComplete() has been called.
   bool HasFilter() { return filter_ != NULL; }
 
   // At or near destruction time, a derived class may request that the filters
   // be destroyed so that statistics can be gathered while the derived class is
   // still present to assist in calculations.  This is used by URLRequestHttpJob
   // to get SDCH to emit stats.
   void DestroyFilters() { filter_.reset(); }
 
+  // Provides derived classes with access to the request's network delegate.
+  NetworkDelegate* network_delegate() { return network_delegate_; }
+
   // The status of the job.
   const URLRequestStatus GetStatus();
 
   // Set the status of the job.
   void SetStatus(const URLRequestStatus& status);
 
   // The number of bytes read before passing to the filter.
   int prefilter_bytes_read() const { return prefilter_bytes_read_; }
 
   // The number of bytes read after passing through the filter.
@@ skipping 75 matching lines @@
   // OnResponseStarted callback and potentially redirect callbacks as well.
   bool has_handled_response_;
 
   // Expected content size
   int64 expected_content_size_;
 
   // Set when a redirect is deferred.
   GURL deferred_redirect_url_;
   int deferred_redirect_status_code_;
 
+  // The network delegate to use with this request, if any.
   NetworkDelegate* network_delegate_;
 
   base::WeakPtrFactory<URLRequestJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestJob);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_JOB_H_