components: Move PrefRegistrySyncable into user_prefs namespace.

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 451659cec9959943ff12f9447aaf8120d620e14c..9264aa1e3b043fac71c790d628309b45484368e1 100644
--- a/chrome/browser/themes/theme_service_factory.cc
+++ b/chrome/browser/themes/theme_service_factory.cc
@@ -58,26 +58,34 @@ ProfileKeyedService* ThemeServiceFactory::BuildServiceInstanceFor(
   return provider;
 }
 
-void ThemeServiceFactory::RegisterUserPrefs(PrefRegistrySyncable* registry) {
+void ThemeServiceFactory::RegisterUserPrefs(
+    user_prefs::PrefRegistrySyncable* registry) {
 #if defined(TOOLKIT_GTK)
-  registry->RegisterBooleanPref(prefs::kUsesSystemTheme,
-                                GtkThemeService::DefaultUsesSystemTheme(),
-                                PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterBooleanPref(
+      prefs::kUsesSystemTheme,
+      GtkThemeService::DefaultUsesSystemTheme(),
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 #endif
-  registry->RegisterFilePathPref(prefs::kCurrentThemePackFilename,
-                                 base::FilePath(),
-                                 PrefRegistrySyncable::UNSYNCABLE_PREF);
-  registry->RegisterStringPref(prefs::kCurrentThemeID,
-                               ThemeService::kDefaultThemeID,
-                               PrefRegistrySyncable::UNSYNCABLE_PREF);
-  registry->RegisterDictionaryPref(prefs::kCurrentThemeImages,
-                                   PrefRegistrySyncable::UNSYNCABLE_PREF);
-  registry->RegisterDictionaryPref(prefs::kCurrentThemeColors,
-                                   PrefRegistrySyncable::UNSYNCABLE_PREF);
-  registry->RegisterDictionaryPref(prefs::kCurrentThemeTints,
-                                   PrefRegistrySyncable::UNSYNCABLE_PREF);
-  registry->RegisterDictionaryPref(prefs::kCurrentThemeDisplayProperties,
-                                   PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterFilePathPref(
+      prefs::kCurrentThemePackFilename,
+      base::FilePath(),
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterStringPref(
+      prefs::kCurrentThemeID,
+      ThemeService::kDefaultThemeID,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterDictionaryPref(
+      prefs::kCurrentThemeImages,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterDictionaryPref(
+      prefs::kCurrentThemeColors,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterDictionaryPref(
+      prefs::kCurrentThemeTints,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterDictionaryPref(
+      prefs::kCurrentThemeDisplayProperties,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 content::BrowserContext* ThemeServiceFactory::GetBrowserContextToUse(