Store net::ProxyServer in HttpResponseInfo object

net/url_request/url_request_job.cc

Index: net/url_request/url_request_job.cc
diff --git a/net/url_request/url_request_job.cc b/net/url_request/url_request_job.cc
index aa3f690ce5146d5ce32da00b21099b722127efa7..4fa43dd18db7e182ce0d5a87c64e05e78031bef9 100644
--- a/net/url_request/url_request_job.cc
+++ b/net/url_request/url_request_job.cc
@@ -29,6 +29,7 @@
 #include "net/http/http_response_headers.h"
 #include "net/log/net_log_event_type.h"
 #include "net/nqe/network_quality_estimator.h"
+#include "net/proxy/proxy_server.h"
 #include "net/url_request/url_request_context.h"
 
 namespace net {
@@ -808,7 +809,7 @@ const URLRequestStatus URLRequestJob::GetStatus() {
   return request_->status();
 }
 
-void URLRequestJob::SetProxyServer(const HostPortPair& proxy_server) {
+void URLRequestJob::SetProxyServer(const ProxyServer& proxy_server) {
   request_->proxy_server_ = proxy_server;
 }