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

chrome/browser/automation/url_request_automation_job.cc

Index: chrome/browser/automation/url_request_automation_job.cc
diff --git a/chrome/browser/automation/url_request_automation_job.cc b/chrome/browser/automation/url_request_automation_job.cc
index 5d2df1418969d93822717af5d5726de609ef14cc..126863e69e9dc13c4a70daa8b250174fc638a04e 100644
--- a/chrome/browser/automation/url_request_automation_job.cc
+++ b/chrome/browser/automation/url_request_automation_job.cc
@@ -20,6 +20,7 @@
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_util.h"
+#include "net/url_request/url_request.h"
 #include "net/url_request/url_request_context.h"
 
 using base::Time;
@@ -55,7 +56,7 @@ URLRequestAutomationJob::URLRequestAutomationJob(
     int request_id,
     AutomationResourceMessageFilter* filter,
     bool is_pending)
-    : net::URLRequestJob(request),
+    : net::URLRequestJob(request, request->context()->network_delegate()),
       id_(0),
       tab_(tab),
       message_filter_(filter),