Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/content_settings/cookie_settings.cc

Index: chrome/browser/content_settings/cookie_settings.cc
diff --git a/chrome/browser/content_settings/cookie_settings.cc b/chrome/browser/content_settings/cookie_settings.cc
index 3bb1c14c7c730de04558fc04e60c16d9b0338b4f..a9cf9186db0adbde461d0d47608285476f8b33d4 100644
--- a/chrome/browser/content_settings/cookie_settings.cc
+++ b/chrome/browser/content_settings/cookie_settings.cc
@@ -64,10 +64,11 @@ CookieSettings::Factory::Factory()
 
 CookieSettings::Factory::~Factory() {}
 
-void CookieSettings::Factory::RegisterUserPrefs(PrefService* user_prefs) {
+void CookieSettings::Factory::RegisterUserPrefs(
+    PrefServiceSyncable* user_prefs) {
   user_prefs->RegisterBooleanPref(prefs::kBlockThirdPartyCookies,
                                   false,
-                                  PrefService::SYNCABLE_PREF);
+                                  PrefServiceSyncable::SYNCABLE_PREF);
 }
 
 bool CookieSettings::Factory::ServiceRedirectedInIncognito() const {