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

content/test/net/url_request_failed_job.cc

Index: content/test/net/url_request_failed_job.cc
diff --git a/content/test/net/url_request_failed_job.cc b/content/test/net/url_request_failed_job.cc
index 9ea08b85c03bd8d836ceee90b5eb1b13b12dbf2c..a9efd18eddf7c8d5521c852c82d3db769cb45379 100644
--- a/content/test/net/url_request_failed_job.cc
+++ b/content/test/net/url_request_failed_job.cc
@@ -10,6 +10,7 @@
 #include "base/string_number_conversions.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_filter.h"
 
 namespace {
@@ -42,7 +43,7 @@ GURL GetMockUrl(const std::string& scheme, int net_error) {
 
 URLRequestFailedJob::URLRequestFailedJob(net::URLRequest* request,
                                          int net_error)
-    : net::URLRequestJob(request),
+    : net::URLRequestJob(request, request->context()->network_delegate()),
       net_error_(net_error),
       ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {}