Add and persist a new field in AlternativeServiceInfo to list QUIC verisons advertised

net/http/http_server_properties_manager.cc

Index: net/http/http_server_properties_manager.cc
diff --git a/net/http/http_server_properties_manager.cc b/net/http/http_server_properties_manager.cc
index 2af299fafc361153336c1ea1ad302157bf418f6c..ecd733fa5af6706a13173178a335f56ecd33aad9 100644
--- a/net/http/http_server_properties_manager.cc
+++ b/net/http/http_server_properties_manager.cc
@@ -201,10 +201,11 @@ HttpServerPropertiesManager::GetAlternativeServiceInfos(
 bool HttpServerPropertiesManager::SetAlternativeService(
     const url::SchemeHostPort& origin,
     const AlternativeService& alternative_service,
-    base::Time expiration) {
+    base::Time expiration,
+    const QuicVersionVector& advertised_versions) {
   DCHECK(network_task_runner_->RunsTasksOnCurrentThread());
   const bool changed = http_server_properties_impl_->SetAlternativeService(
-      origin, alternative_service, expiration);
+      origin, alternative_service, expiration, advertised_versions);
   if (changed) {
     ScheduleUpdatePrefsOnNetworkThread(SET_ALTERNATIVE_SERVICES);
   }
@@ -629,6 +630,9 @@ bool HttpServerPropertiesManager::ParseAlternativeServiceDict(
     return true;
   }
 
+  // TODO(zhongyi): add support for reading advertised versions to
+  // AlternativeServiceInfo.
+
   DVLOG(1) << "Malformed alternative service expiration for server: "
            << server_str;
   return false;