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 eadeb4b8954f1e2d80e2f8e581fac4238302a739..8f70a4edfb30bc31ae6e905c3c085f14379c614f 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 {
@@ -818,7 +819,7 @@ 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;
 }