Decouple URLRequestJob from URLRequestContext; access NetworkDelegate as a contructor parameter.

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 cf98447fc5a9e977d47a1ef080fd68446d5de27e..34ef53f0e87abcfc09a495d832426e61c23d59c0 100644
--- a/net/url_request/url_request_job.h
+++ b/net/url_request/url_request_job.h
@@ -29,6 +29,7 @@ class CookieOptions;
 class HttpRequestHeaders;
 class HttpResponseInfo;
 class IOBuffer;
+class NetworkDelegate;
 class SSLCertRequestInfo;
 class SSLInfo;
 class URLRequest;
@@ -39,7 +40,8 @@ class X509Certificate;
 class NET_EXPORT URLRequestJob : public base::RefCounted<URLRequestJob>,
                                  public base::SystemMonitor::PowerObserver {
  public:
-  explicit URLRequestJob(URLRequest* request);
+  explicit URLRequestJob(URLRequest* request,
+                         NetworkDelegate* network_delegate);
 
   // Returns the request that owns this job. THIS POINTER MAY BE NULL if the
   // request was destroyed.
@@ -372,6 +374,8 @@ class NET_EXPORT URLRequestJob : public base::RefCounted<URLRequestJob>,
   GURL deferred_redirect_url_;
   int deferred_redirect_status_code_;
 
+  NetworkDelegate* network_delegate_;
+
   base::WeakPtrFactory<URLRequestJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestJob);