Add a separate cookie store that's used for extensions....

chrome/browser/browser_init.cc

Index: chrome/browser/browser_init.cc
===================================================================
--- chrome/browser/browser_init.cc	(revision 15945)
+++ chrome/browser/browser_init.cc	(working copy)
@@ -45,7 +45,6 @@
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"
 #include "grit/theme_resources.h"
-#include "net/base/cookie_monster.h"
 #include "webkit/glue/webkit_glue.h"
 
 #if defined(OS_WIN)
@@ -404,9 +403,6 @@
     }
   }
 
-  if (command_line_.HasSwitch(switches::kEnableFileCookies))
-    net::CookieMonster::EnableFileScheme();
-
   if (command_line_.HasSwitch(switches::kUserAgent)) {
     webkit_glue::SetUserAgent(WideToUTF8(
         command_line_.GetSwitchValue(switches::kUserAgent)));