chrome 連接配接池逾時值

https://chromium.googlesource.com/chromium/src/net/+/master/socket/client_socket_pool.cc

// The maximum duration, in seconds, to keep used idle persistent sockets alive.
int64_t g_used_idle_socket_timeout_s = 300;  // 5 minutes      

Connection management in chrome

https://blog.csdn.net/talking12391239/article/details/41295997