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

net/http/http_cache.cc

Index: net/http/http_cache.cc
diff --git a/net/http/http_cache.cc b/net/http/http_cache.cc
index 58fa5cb14e232fcb67b3329008c24b2c1d305bcb..59a277a9ce08acd990ee87b6a1951d6b8b2aab56 100644
--- a/net/http/http_cache.cc
+++ b/net/http/http_cache.cc
@@ -53,7 +53,9 @@ HttpNetworkSession* CreateNetworkSession(
     HttpAuthHandlerFactory* http_auth_handler_factory,
     NetworkDelegate* network_delegate,
     HttpServerProperties* http_server_properties,
-    NetLog* net_log) {
+    NetLog* net_log,
+    HttpCache::IdleSocketCleanupMode cleanup_mode) {
+
   HttpNetworkSession::Params params;
   params.host_resolver = host_resolver;
   params.cert_verifier = cert_verifier;
@@ -67,6 +69,7 @@ HttpNetworkSession* CreateNetworkSession(
   params.network_delegate = network_delegate;
   params.http_server_properties = http_server_properties;
   params.net_log = net_log;
+  params.use_cleanup_timer = (cleanup_mode == HttpCache::USE_CLEANUP_TIMER);
   return new HttpNetworkSession(params);
 }
 
@@ -326,7 +329,8 @@ HttpCache::HttpCache(HostResolver* host_resolver,
                      NetworkDelegate* network_delegate,
                      HttpServerProperties* http_server_properties,
                      NetLog* net_log,
-                     BackendFactory* backend_factory)
+                     BackendFactory* backend_factory,
+                     IdleSocketCleanupMode cleanup_mode)
     : net_log_(net_log),
       backend_factory_(backend_factory),
       building_backend_(false),
@@ -348,7 +352,8 @@ HttpCache::HttpCache(HostResolver* host_resolver,
                   http_auth_handler_factory,
                   network_delegate,
                   http_server_properties,
-                  net_log))) {
+                  net_log,
+                  cleanup_mode))) {
 }