#include "chrome/browser/io_thread.h"
#include "chrome/browser/net/pref_proxy_config_tracker_impl.h"
#include "chrome/common/chrome_switches.h"
-#include "chrome/common/pref_names.h"
#include "content/public/browser/browser_thread.h"
#include "net/base/net_log.h"
#include "net/proxy/dhcp_proxy_script_fetcher_factory.h"