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

net/url_request/url_request_test_job.cc

Index: net/url_request/url_request_test_job.cc
diff --git a/net/url_request/url_request_test_job.cc b/net/url_request/url_request_test_job.cc
index 94a6bf5a757f53a362ddc9f96acce490fe999982..9ec31fca6e77e8da9fae33caec03aa3358336dbf 100644
--- a/net/url_request/url_request_test_job.cc
+++ b/net/url_request/url_request_test_job.cc
@@ -16,6 +16,7 @@
 #include "net/base/net_errors.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_request.h"
+#include "net/url_request/url_request_context.h"
 
 namespace net {
 
@@ -85,7 +86,7 @@ URLRequestJob* URLRequestTestJob::Factory(URLRequest* request,
 }
 
 URLRequestTestJob::URLRequestTestJob(URLRequest* request)
-    : URLRequestJob(request),
+    : URLRequestJob(request, request->context()->network_delegate()),
       auto_advance_(false),
       stage_(WAITING),
       offset_(0),
@@ -96,7 +97,7 @@ URLRequestTestJob::URLRequestTestJob(URLRequest* request)
 
 URLRequestTestJob::URLRequestTestJob(URLRequest* request,
                                      bool auto_advance)
-    : URLRequestJob(request),
+    : URLRequestJob(request, request->context()->network_delegate()),
       auto_advance_(auto_advance),
       stage_(WAITING),
       offset_(0),
@@ -109,7 +110,7 @@ URLRequestTestJob::URLRequestTestJob(URLRequest* request,
                                      const std::string& response_headers,
                                      const std::string& response_data,
                                      bool auto_advance)
-    : URLRequestJob(request),
+    : URLRequestJob(request, request->context()->network_delegate()),
       auto_advance_(auto_advance),
       stage_(WAITING),
       response_headers_(new HttpResponseHeaders(response_headers)),