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

net/url_request/url_request_about_job.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Simple implementation of about: protocol handler that treats everything as
 // about:blank.  No other about: features should be available to web content,
 // so they're not implemented here.
 
 #include "net/url_request/url_request_about_job.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
+#include "net/url_request/url_request.h"
+#include "net/url_request/url_request_context.h"
 
 namespace net {
 
 URLRequestAboutJob::URLRequestAboutJob(URLRequest* request)
-    : URLRequestJob(request),
+    : URLRequestJob(request, request->context()->network_delegate()),
       ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {
 }
 
 // static
 URLRequestJob* URLRequestAboutJob::Factory(URLRequest* request,
                                            const std::string& scheme) {
   return new URLRequestAboutJob(request);
 }
 
 void URLRequestAboutJob::Start() {
@@ skipping 10 matching lines @@
 }
 
 URLRequestAboutJob::~URLRequestAboutJob() {
 }
 
 void URLRequestAboutJob::StartAsync() {
   NotifyHeadersComplete();
 }
 
 }  // namespace net