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

chrome/browser/profiles/profile_impl_io_data.cc

 // 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.
 
 #include "chrome/browser/profiles/profile_impl_io_data.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 356 matching lines @@
       main_context->cert_verifier(),
       main_context->origin_bound_cert_service(),
       main_context->dnsrr_resolver(),
       main_context->dns_cert_checker(),
       main_context->proxy_service(),
       main_context->ssl_config_service(),
       main_context->http_auth_handler_factory(),
       main_context->network_delegate(),
       main_context->http_server_properties(),
       main_context->net_log(),
-      main_backend);
+      main_backend,
+      net::HttpCache::USE_CLEANUP_TIMER);
 
   net::HttpCache::DefaultBackend* media_backend =
       new net::HttpCache::DefaultBackend(
           net::MEDIA_CACHE, lazy_params_->media_cache_path,
           lazy_params_->media_cache_max_size,
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE));
   net::HttpNetworkSession* main_network_session = main_cache->GetSession();
   net::HttpCache* media_cache =
       new net::HttpCache(main_network_session, media_backend);
 
@@ skipping 99 matching lines @@
 scoped_refptr<ChromeURLRequestContext>
 ProfileImplIOData::AcquireIsolatedAppRequestContext(
     scoped_refptr<ChromeURLRequestContext> main_context,
     const std::string& app_id) const {
   // We create per-app contexts on demand, unlike the others above.
   scoped_refptr<ChromeURLRequestContext> app_request_context =
       InitializeAppRequestContext(main_context, app_id);
   DCHECK(app_request_context);
   return app_request_context;
 }