Limit total number of sockets in the system....

net/http/http_network_session.cc

 // Copyright (c) 2009 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.
 
 #include "net/http/http_network_session.h"
 
 #include "base/logging.h"
 
 namespace net {
 
 // static
+int HttpNetworkSession::max_sockets_ = 100;
+
+// static
 int HttpNetworkSession::max_sockets_per_group_ = 6;
 
+HttpNetworkSession::HttpNetworkSession(
+    HostResolver* host_resolver,
+    ProxyService* proxy_service,
+    ClientSocketFactory* client_socket_factory)
+    : connection_pool_(new TCPClientSocketPool(
+          max_sockets_, max_sockets_per_group_, host_resolver,
+          client_socket_factory)),
+      host_resolver_(host_resolver),
+      proxy_service_(proxy_service) {
+  DCHECK(proxy_service);
+}
+
 // static
 void HttpNetworkSession::set_max_sockets_per_group(int socket_count) {
   DCHECK(0 < socket_count);
   // The following is a sanity check... but we should NEVER be near this value.
   DCHECK(100 > socket_count);
   max_sockets_per_group_ = socket_count;
 }
 
 } //  namespace net