Fix WeakPtrFactory member order in net/url_request/

net/url_request/url_request_http_job.h

Index: net/url_request/url_request_http_job.h
diff --git a/net/url_request/url_request_http_job.h b/net/url_request/url_request_http_job.h
index d5aa5ba5918f5893d48a75d86aaa85966390a36a..b7ac50cc60cc089a92e77f8d42be68ca1ef94df7 100644
--- a/net/url_request/url_request_http_job.h
+++ b/net/url_request/url_request_http_job.h
@@ -248,7 +248,6 @@ class NET_EXPORT_PRIVATE URLRequestHttpJob : public URLRequestJob {
   base::TimeTicks receive_headers_end_;
 
   scoped_ptr<HttpFilterContext> filter_context_;
-  base::WeakPtrFactory<URLRequestHttpJob> weak_factory_;
 
   CompletionCallback on_headers_received_callback_;
 
@@ -271,6 +270,8 @@ class NET_EXPORT_PRIVATE URLRequestHttpJob : public URLRequestJob {
 
   const HttpUserAgentSettings* http_user_agent_settings_;
 
+  base::WeakPtrFactory<URLRequestHttpJob> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(URLRequestHttpJob);
 };