It is time.

ui/views/examples/combobox_example.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/examples/combobox_example.h"
-
-#include "base/strings/stringprintf.h"
-#include "base/strings/utf_string_conversions.h"
-#include "ui/views/controls/combobox/combobox.h"
-#include "ui/views/layout/fill_layout.h"
-
-namespace views {
-namespace examples {
-
-ComboboxModelExample::ComboboxModelExample() {
-}
-
-ComboboxModelExample::~ComboboxModelExample() {
-}
-
-int ComboboxModelExample::GetItemCount() const {
-  return 10;
-}
-
-base::string16 ComboboxModelExample::GetItemAt(int index) {
-  return base::UTF8ToUTF16(base::StringPrintf("Item %d", index));
-}
-
-ComboboxExample::ComboboxExample() : ExampleBase("Combo Box"), combobox_(NULL) {
-}
-
-ComboboxExample::~ComboboxExample() {
-  // Delete |combobox_| first as it references |combobox_model_|.
-  delete combobox_;
-  combobox_ = NULL;
-}
-
-void ComboboxExample::CreateExampleView(View* container) {
-  combobox_ = new Combobox(&combobox_model_);
-  combobox_->set_listener(this);
-  combobox_->SetSelectedIndex(3);
-
-  container->SetLayoutManager(new FillLayout);
-  container->AddChildView(combobox_);
-}
-
-void ComboboxExample::OnPerformAction(Combobox* combobox) {
-  DCHECK_EQ(combobox_, combobox);
-  PrintStatus("Selected: %s", base::UTF16ToUTF8(combobox_model_.GetItemAt(
-      combobox->selected_index())).c_str());
-}
-
-}  // namespace examples
-}  // namespace views