Remove some calls to URLRequestContext::network_delegate().

net/url_request/url_request_job.h

Index: net/url_request/url_request_job.h
diff --git a/net/url_request/url_request_job.h b/net/url_request/url_request_job.h
index 4d985f8a19d9a5b8e06fe200eefd3d2c5eba8037..56e1307cb041b5a051cc4aec8115d51a291bf97a 100644
--- a/net/url_request/url_request_job.h
+++ b/net/url_request/url_request_job.h
@@ -284,6 +284,9 @@ class NET_EXPORT URLRequestJob : public base::RefCounted<URLRequestJob>,
   // 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();
 
@@ -379,6 +382,7 @@ class NET_EXPORT URLRequestJob : public base::RefCounted<URLRequestJob>,
   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_;