Move prefs-related files under chrome/browser/ into a prefs/ subdir.

chrome/browser/chromeos/login/language_switch_menu.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/login/language_switch_menu.h"
 
 #include "app/resource_bundle.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "chrome/browser/chromeos/language_preferences.h"
 #include "chrome/browser/chromeos/login/screen_observer.h"
-#include "chrome/browser/pref_service.h"
+#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/pref_names.h"
 #include "grit/generated_resources.h"
 #include "views/widget/widget_gtk.h"
 
 namespace {
 
 const int kLanguageMainMenuSize = 5;
 // TODO(glotov): need to specify the list as a part of the image customization.
 const char kLanguagesTopped[] = "es,it,de,fr,en-US";
 const int kMoreLanguagesSubMenu = 200;
@@ skipping 114 matching lines @@
 void LanguageSwitchMenu::ExecuteCommand(int command_id) {
   const std::string locale = language_list_->GetLocaleFromIndex(command_id);
   SwitchLanguage(locale);
   InitLanguageMenu();
 
   // Update all view hierarchies that the locale has changed.
   views::Widget::NotifyLocaleChanged();
 }
 
 }  // namespace chromeos