Add resolved proxy for the http stream job to net log

net/http/http_stream_factory_impl_job.cc

Index: net/http/http_stream_factory_impl_job.cc
diff --git a/net/http/http_stream_factory_impl_job.cc b/net/http/http_stream_factory_impl_job.cc
index ca3652e917a6a663341d6c9a6d43b1ceea95e0f1..7b5dbe8738193cf153b9509d5404573875af82ce 100644
--- a/net/http/http_stream_factory_impl_job.cc
+++ b/net/http/http_stream_factory_impl_job.cc
@@ -145,6 +145,18 @@ std::unique_ptr<base::Value> NetLogHttpStreamProtoCallback(
   return std::move(dict);
 }
 
+// Returns parameters associated with the proxy resolution.
+std::unique_ptr<base::Value> NetLogHttpStreamJobProxyServerResolved(
+    const ProxyServer& proxy_server,
+    NetLogCaptureMode /* capture_mode */) {
+  std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
+
+  dict->SetString("proxy_server", proxy_server.is_valid()
+                                      ? proxy_server.ToPacString()
+                                      : std::string());
+  return std::move(dict);
+}
+
 HttpStreamFactoryImpl::Job::Job(Delegate* delegate,
                                 JobType job_type,
                                 HttpNetworkSession* session,
@@ -739,6 +751,12 @@ int HttpStreamFactoryImpl::Job::DoResolveProxy() {
 int HttpStreamFactoryImpl::Job::DoResolveProxyComplete(int result) {
   pac_request_ = NULL;
 
+  net_log_.AddEvent(
+      NetLogEventType::HTTP_STREAM_JOB_PROXY_SERVER_RESOLVED,
+      base::Bind(
+          &NetLogHttpStreamJobProxyServerResolved,
+          proxy_info_.is_empty() ? ProxyServer() : proxy_info_.proxy_server()));
+
   if (result == OK) {
     // Remove unsupported proxies from the list.
     int supported_proxies =