Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/content_settings/content_settings_pref_provider.cc

Index: chrome/browser/content_settings/content_settings_pref_provider.cc
diff --git a/chrome/browser/content_settings/content_settings_pref_provider.cc b/chrome/browser/content_settings/content_settings_pref_provider.cc
index 6c5e1be4848ffaba535d52604d4831fe0b31c158..ddf6efc426dc1e03168140dbb90c07ec5e245a82 100644
--- a/chrome/browser/content_settings/content_settings_pref_provider.cc
+++ b/chrome/browser/content_settings/content_settings_pref_provider.cc
@@ -71,13 +71,13 @@ namespace content_settings {
 //
 
 // static
-void PrefProvider::RegisterUserPrefs(PrefService* prefs) {
+void PrefProvider::RegisterUserPrefs(PrefServiceSyncable* prefs) {
   prefs->RegisterIntegerPref(
       prefs::kContentSettingsVersion,
       ContentSettingsPattern::kContentSettingsPatternVersion,
-      PrefService::UNSYNCABLE_PREF);
+      PrefServiceSyncable::UNSYNCABLE_PREF);
   prefs->RegisterDictionaryPref(prefs::kContentSettingsPatternPairs,
-                                PrefService::SYNCABLE_PREF);
+                                PrefServiceSyncable::SYNCABLE_PREF);
 }
 
 PrefProvider::PrefProvider(PrefService* prefs,