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 eb2cf5058a6cba5a9dbc1fde8d07c059ab2e740e..f9df57010d3fbe8377bfde3a935875ba5a77901d 100644
--- a/net/url_request/url_request_job.cc
+++ b/net/url_request/url_request_job.cc
@@ -32,6 +32,7 @@
 #include "net/log/net_log_event_type.h"
 #include "net/log/net_log_with_source.h"
 #include "net/nqe/network_quality_estimator.h"
+#include "net/proxy/proxy_server.h"
 #include "net/url_request/url_request_context.h"
 
 namespace net {
@@ -811,7 +812,7 @@ 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;
 }