It is time.

ui/views/controls/menu/menu.cc

-// Copyright (c) 2012 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 "ui/views/controls/menu/menu.h"
-
-#include "base/i18n/rtl.h"
-#include "ui/gfx/image/image_skia.h"
-
-namespace views {
-
-bool Menu::Delegate::IsItemChecked(int id) const {
-  return false;
-}
-
-bool Menu::Delegate::IsItemDefault(int id) const {
-  return false;
-}
-
-base::string16 Menu::Delegate::GetLabel(int id) const {
-  return base::string16();
-}
-
-bool Menu::Delegate::GetAcceleratorInfo(int id, ui::Accelerator* accel) {
-  return false;
-}
-
-const gfx::ImageSkia& Menu::Delegate::GetIcon(int id) const {
-  return GetEmptyIcon();
-}
-
-int Menu::Delegate::GetItemCount() const {
-  return 0;
-}
-
-bool Menu::Delegate::IsItemSeparator(int id) const {
-  return false;
-}
-
-bool Menu::Delegate::HasIcon(int id) const {
-  return false;
-}
-
-bool Menu::Delegate::SupportsCommand(int id) const {
-  return true;
-}
-
-bool Menu::Delegate::IsCommandEnabled(int id) const {
-  return true;
-}
-
-bool Menu::Delegate::GetContextualLabel(int id, base::string16* out) const {
-  return false;
-}
-
-bool Menu::Delegate::IsRightToLeftUILayout() const {
-  return base::i18n::IsRTL();
-}
-
-const gfx::ImageSkia& Menu::Delegate::GetEmptyIcon() const {
-  static const gfx::ImageSkia* empty_icon = new gfx::ImageSkia();
-  return *empty_icon;
-}
-
-Menu::Menu(Delegate* delegate, AnchorPoint anchor)
-    : delegate_(delegate),
-      anchor_(anchor) {
-}
-
-Menu::Menu(Menu* parent)
-    : delegate_(parent->delegate_),
-      anchor_(parent->anchor_) {
-}
-
-Menu::~Menu() {
-}
-
-void Menu::AppendMenuItem(int item_id,
-                          const base::string16& label,
-                          MenuItemType type) {
-  AddMenuItem(-1, item_id, label, type);
-}
-
-void Menu::AddMenuItem(int index,
-                       int item_id,
-                       const base::string16& label,
-                       MenuItemType type) {
-  if (type == SEPARATOR)
-    AddSeparator(index);
-  else
-    AddMenuItemInternal(index, item_id, label, gfx::ImageSkia(), type);
-}
-
-Menu* Menu::AppendSubMenu(int item_id, const base::string16& label) {
-  return AddSubMenu(-1, item_id, label);
-}
-
-Menu* Menu::AddSubMenu(int index, int item_id, const base::string16& label) {
-  return AddSubMenuWithIcon(index, item_id, label, gfx::ImageSkia());
-}
-
-Menu* Menu::AppendSubMenuWithIcon(int item_id,
-                                  const base::string16& label,
-                                  const gfx::ImageSkia& icon) {
-  return AddSubMenuWithIcon(-1, item_id, label, icon);
-}
-
-void Menu::AppendMenuItemWithLabel(int item_id, const base::string16& label) {
-  AddMenuItemWithLabel(-1, item_id, label);
-}
-
-void Menu::AddMenuItemWithLabel(int index,
-                                int item_id,
-                                const base::string16& label) {
-  AddMenuItem(index, item_id, label, Menu::NORMAL);
-}
-
-void Menu::AppendDelegateMenuItem(int item_id) {
-  AddDelegateMenuItem(-1, item_id);
-}
-
-void Menu::AddDelegateMenuItem(int index, int item_id) {
-  AddMenuItem(index, item_id, base::string16(), Menu::NORMAL);
-}
-
-void Menu::AppendSeparator() {
-  AddSeparator(-1);
-}
-
-void Menu::AppendMenuItemWithIcon(int item_id,
-                                  const base::string16& label,
-                                  const gfx::ImageSkia& icon) {
-  AddMenuItemWithIcon(-1, item_id, label, icon);
-}
-
-void Menu::AddMenuItemWithIcon(int index,
-                               int item_id,
-                               const base::string16& label,
-                               const gfx::ImageSkia& icon) {
-  AddMenuItemInternal(index, item_id, label, icon, Menu::NORMAL);
-}
-
-Menu::Menu() : delegate_(NULL), anchor_(TOPLEFT) {
-}
-
-}  // namespace views