Basic HTTP pipelining support

chrome/browser/browser_main.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/browser_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 758 matching lines @@
         &value);
     net::SpdySessionPool::set_max_sessions_per_domain(value);
   }
 
   SetDnsCertProvenanceCheckerFactory(CreateChromeDnsCertProvenanceChecker);
 
   if (parsed_command_line.HasSwitch(switches::kEnableWebSocketOverSpdy)) {
     // Enable WebSocket over SPDY.
     net::WebSocketJob::set_websocket_over_spdy_enabled(true);
   }
+
+  if (parsed_command_line.HasSwitch(switches::kEnableHttpPipelining))
+    net::HttpStreamFactory::set_http_pipelining_enabled(true);
 }
 
 void InitializeURLRequestThrottlerManager(net::NetLog* net_log) {
   net::URLRequestThrottlerManager::GetInstance()->set_enable_thread_checks(
       true);
 
   // TODO(joi): Passing the NetLog here is temporary; once I switch the
   // URLRequestThrottlerManager to be part of the URLRequestContext it will
   // come from there. Doing it this way for now (2011/5/12) to try to fail
   // fast in case A/B experiment gives unexpected results.
@@ skipping 1326 matching lines @@
 #if defined(OS_CHROMEOS)
   // To be precise, logout (browser shutdown) is not yet done, but the
   // remaining work is negligible, hence we say LogoutDone here.
   chromeos::BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutDone",
                                                         false);
   chromeos::BootTimesLoader::Get()->WriteLogoutTimes();
 #endif
   TRACE_EVENT_END_ETW("BrowserMain", 0, 0);
   return result_code;
 }