Clear the host cache when closing the last incognito window....

chrome/browser/browser_main.cc

 // Copyright (c) 2010 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 "app/hi_res_timer_manager.h"
 #include "app/l10n_util.h"
@@ skipping 744 matching lines @@
 #endif  // OS_POSIX
     }
     Browser::SetNewHomePagePrefs(user_prefs);
   }
 
   // Sets things up so that if we crash from this point on, a dialog will
   // popup asking the user to restart chrome. It is done this late to avoid
   // testing against a bunch of special cases that are taken care early on.
   PrepareRestartOnCrashEnviroment(parsed_command_line);
 
-  // Initialize and maintain DNS prefetcher module.
-  chrome_browser_net::DnsPrefetcherInit dns_prefetch(user_prefs, local_state);
+  // Initialize and maintain DNS prefetcher module. Also registers an observer
+  // to clear the host cache when closing incognito mode

[jar (doing other things), 2010/01/09 02:16:29]

nit: period at end of sentence.

+  chrome_browser_net::DnsGlobalInit dns_prefetch(user_prefs, local_state);
 
   scoped_refptr<FieldTrial> socket_late_binding_trial =
       new FieldTrial("SocketLateBinding", 100);
   socket_late_binding_trial->AppendGroup("_disable_late_binding", 50);
   const int late_binding_group =
       socket_late_binding_trial->AppendGroup("_enable_late_binding", 50);
   if (socket_late_binding_trial->group() == late_binding_group)
     net::EnableLateBindingOfSockets(true);
 
 #if defined(OS_WIN)
@@ skipping 148 matching lines @@
   if (metrics)
     metrics->Stop();
 
   // browser_shutdown takes care of deleting browser_process, so we need to
   // release it.
   browser_process.release();
   browser_shutdown::Shutdown();
 
   return result_code;
 }