Do not attempt to reuse active sockets after a socket pool flush (usually a network 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 0f2c07921e7e6f6af92aeaedb4bc88e2574b50c4..c7eac1476629d040706c0260d6103852e8238f58 100644
--- a/net/socket/tcp_client_socket_pool.cc
+++ b/net/socket/tcp_client_socket_pool.cc
@@ -224,8 +224,13 @@ void TCPClientSocketPool::CancelRequest(
 
 void TCPClientSocketPool::ReleaseSocket(
     const std::string& group_name,
-    ClientSocket* socket) {
-  base_.ReleaseSocket(group_name, socket);
+    ClientSocket* socket,
+    int id) {
+  base_.ReleaseSocket(group_name, socket, id);
+}
+
+void TCPClientSocketPool::Flush() {
+  base_.Flush();
 }
 
 void TCPClientSocketPool::CloseIdleSockets() {