Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/themes/theme_service_factory.cc

Index: chrome/browser/themes/theme_service_factory.cc
diff --git a/chrome/browser/themes/theme_service_factory.cc b/chrome/browser/themes/theme_service_factory.cc
index 10a3b73fe7173ed21172fa5935cef1ac2b2c0ce4..86072d624ed3858a865712f291d943fe6d56d786 100644
--- a/chrome/browser/themes/theme_service_factory.cc
+++ b/chrome/browser/themes/theme_service_factory.cc
@@ -56,26 +56,26 @@ ProfileKeyedService* ThemeServiceFactory::BuildServiceInstanceFor(
   return provider;
 }
 
-void ThemeServiceFactory::RegisterUserPrefs(PrefService* prefs) {
+void ThemeServiceFactory::RegisterUserPrefs(PrefServiceSyncable* prefs) {
 #if defined(TOOLKIT_GTK)
   prefs->RegisterBooleanPref(prefs::kUsesSystemTheme,
                              GtkThemeService::DefaultUsesSystemTheme(),
-                             PrefService::UNSYNCABLE_PREF);
+                             PrefServiceSyncable::UNSYNCABLE_PREF);
 #endif
   prefs->RegisterFilePathPref(prefs::kCurrentThemePackFilename,
                               FilePath(),
-                              PrefService::UNSYNCABLE_PREF);
+                              PrefServiceSyncable::UNSYNCABLE_PREF);
   prefs->RegisterStringPref(prefs::kCurrentThemeID,
                             ThemeService::kDefaultThemeID,
-                            PrefService::UNSYNCABLE_PREF);
+                            PrefServiceSyncable::UNSYNCABLE_PREF);
   prefs->RegisterDictionaryPref(prefs::kCurrentThemeImages,
-                                PrefService::UNSYNCABLE_PREF);
+                                PrefServiceSyncable::UNSYNCABLE_PREF);
   prefs->RegisterDictionaryPref(prefs::kCurrentThemeColors,
-                                PrefService::UNSYNCABLE_PREF);
+                                PrefServiceSyncable::UNSYNCABLE_PREF);
   prefs->RegisterDictionaryPref(prefs::kCurrentThemeTints,
-                                PrefService::UNSYNCABLE_PREF);
+                                PrefServiceSyncable::UNSYNCABLE_PREF);
   prefs->RegisterDictionaryPref(prefs::kCurrentThemeDisplayProperties,
-                                PrefService::UNSYNCABLE_PREF);
+                                PrefServiceSyncable::UNSYNCABLE_PREF);
 }
 
 bool ThemeServiceFactory::ServiceRedirectedInIncognito() const {