HttpServerProperties - Don't persist if SetServerNetworkStats is called

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 1a1ab79c48648509c3619fdd757476d62cb5a86c..9d3a0f7b4c1a5b746490c813804cc8b6594a2127 100644
--- a/net/http/http_server_properties_manager.cc
+++ b/net/http/http_server_properties_manager.cc
@@ -338,8 +338,16 @@ void HttpServerPropertiesManager::SetServerNetworkStats(
     const HostPortPair& host_port_pair,
     ServerNetworkStats stats) {
   DCHECK(network_task_runner_->RunsTasksOnCurrentThread());
+  ServerNetworkStats old_stats;
+  const ServerNetworkStats* old_stats_ptr =
+      http_server_properties_impl_->GetServerNetworkStats(host_port_pair);
+  if (http_server_properties_impl_->GetServerNetworkStats(host_port_pair))
+    old_stats = *old_stats_ptr;
   http_server_properties_impl_->SetServerNetworkStats(host_port_pair, stats);
-  ScheduleUpdatePrefsOnNetworkThread(SET_SERVER_NETWORK_STATS);
+  ServerNetworkStats new_stats =
+      *(http_server_properties_impl_->GetServerNetworkStats(host_port_pair));
+  if (old_stats != new_stats)
+    ScheduleUpdatePrefsOnNetworkThread(SET_SERVER_NETWORK_STATS);
 }
 
 const ServerNetworkStats* HttpServerPropertiesManager::GetServerNetworkStats(