Close idle sockets next time we are about to send data.

net/socket/transport_client_socket_pool.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_SOCKET_TRANSPORT_CLIENT_SOCKET_POOL_H_
 #define NET_SOCKET_TRANSPORT_CLIENT_SOCKET_POOL_H_
 #pragma once
 
 #include <string>
 
@@ skipping 122 matching lines @@
 };
 
 class NET_EXPORT_PRIVATE TransportClientSocketPool : public ClientSocketPool {
  public:
   TransportClientSocketPool(
       int max_sockets,
       int max_sockets_per_group,
       ClientSocketPoolHistograms* histograms,
       HostResolver* host_resolver,
       ClientSocketFactory* client_socket_factory,
-      NetLog* net_log);
+      NetLog* net_log,
+      const ClientSocketPoolOptions& options = ClientSocketPoolOptions());
 
   virtual ~TransportClientSocketPool();
 
   // ClientSocketPool methods:
 
   virtual int RequestSocket(const std::string& group_name,
                             const void* resolve_info,
                             RequestPriority priority,
                             ClientSocketHandle* handle,
                             OldCompletionCallback* callback,
@@ skipping 67 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(TransportClientSocketPool);
 };
 
 REGISTER_SOCKET_PARAMS_FOR_POOL(TransportClientSocketPool,
                                 TransportSocketParams);
 
 }  // namespace net
 
 #endif  // NET_SOCKET_TRANSPORT_CLIENT_SOCKET_POOL_H_