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

net/url_request/url_request_error_job.cc

Index: net/url_request/url_request_error_job.cc
diff --git a/net/url_request/url_request_error_job.cc b/net/url_request/url_request_error_job.cc
index 4924c012e79ea7da14bb9dad3cc76b3787d41760..efd5a53843ddf301c3c03cdc7dbefa50b14bf7d0 100644
--- a/net/url_request/url_request_error_job.cc
+++ b/net/url_request/url_request_error_job.cc
@@ -8,12 +8,14 @@
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
 #include "net/base/net_errors.h"
+#include "net/url_request/url_request.h"
+#include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_status.h"
 
 namespace net {
 
 URLRequestErrorJob::URLRequestErrorJob(URLRequest* request, int error)
-    : URLRequestJob(request),
+    : URLRequestJob(request, request->context()->network_delegate()),
       error_(error),
       ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {}