Reland my close on idle socket change.

net/socket/tcp_client_socket_pool.cc

Index: net/socket/tcp_client_socket_pool.cc
diff --git a/net/socket/tcp_client_socket_pool.cc b/net/socket/tcp_client_socket_pool.cc
index 2f8e76751b7de45f528f02084b46fa6850caa9b3..b0762e3fd28d33d08e1adffe8701a1b0c9816eb6 100644
--- a/net/socket/tcp_client_socket_pool.cc
+++ b/net/socket/tcp_client_socket_pool.cc
@@ -182,7 +182,7 @@ TCPClientSocketPool::TCPClientSocketPool(
             base::TimeDelta::FromSeconds(kUnusedIdleSocketTimeout),
             base::TimeDelta::FromSeconds(kUsedIdleSocketTimeout),
             new TCPConnectJobFactory(client_socket_factory, host_resolver)) {
-  base_.enable_backup_jobs();
+  base_.EnableBackupJobs();
 }
 
 TCPClientSocketPool::~TCPClientSocketPool() {}