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diff --git a/views/examples/radio_button_example.h b/views/examples/radio_button_example.h
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+// Copyright (c) 2009 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.
+
+#ifndef VIEWS_EXAMPLES_RADIO_BUTTON_EXAMPLE_H_
+#define VIEWS_EXAMPLES_RADIO_BUTTON_EXAMPLE_H_
+
+#include "base/string_util.h"
+#include "views/controls/button/radio_button.h"
+#include "views/controls/button/text_button.h"
+#include "views/controls/tabbed_pane/tabbed_pane.h"
+#include "views/examples/example_base.h"
+
+namespace examples {
+
+class RadioButtonExample : protected ExampleBase,
+                           private views::ButtonListener {
+ public:
+  RadioButtonExample(views::TabbedPane* tabbed_pane, views::Label* message)
+      : ExampleBase(message),
+        select_(new views::TextButton(this, L"Select")),
+        status_(new views::TextButton(this, L"Show Status")) {
+    int all = arraysize(radio_buttons_);
+
+    // divide buttons into 2 groups
+    int group_count = all / 2;
+    for (int i = 0; i < all; i++) {
+      int group = i / group_count;
+      radio_buttons_[i] = new views::RadioButton(
+          StringPrintf(L"Radio %d in group %d", (i % group_count + 1), group),
+          group);
+    }
+
+    views::View* container = new views::View();
+    tabbed_pane->AddTab(L"Radio Button", container);
+
+    views::GridLayout* layout = new views::GridLayout(container);
+    container->SetLayoutManager(layout);
+
+    views::ColumnSet* column_set = layout->AddColumnSet(0);
+    column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL,
+                          1.0f, views::GridLayout::USE_PREF, 0, 0);
+    for (int i = 0; i < all; i++) {
+      layout->StartRow(0, 0);
+      layout->AddView(radio_buttons_[i]);
+    }
+    layout->StartRow(0, 0);
+    layout->AddView(select_);
+    layout->StartRow(0, 0);
+    layout->AddView(status_);
+  }
+
+  virtual ~RadioButtonExample() {}
+
+ private:
+  // Override from ButtonListener
+  virtual void ButtonPressed(views::Button* sender, const views::Event& event) {
+    if (sender == select_) {
+      radio_buttons_[0]->SetChecked(true);
+      radio_buttons_[5]->SetChecked(true);
+    } else if (sender == status_) {
+      // Show the state of radio buttons.
+      PrintStatus(L"Group1: 1:%ls, 2:%ls, 3:%ls   Group2: 1:%ls, 2:%ls, 3:%ls",
+                  IntToOnOff(radio_buttons_[0]->checked()),
+                  IntToOnOff(radio_buttons_[1]->checked()),
+                  IntToOnOff(radio_buttons_[2]->checked()),
+                  IntToOnOff(radio_buttons_[3]->checked()),
+                  IntToOnOff(radio_buttons_[4]->checked()),
+                  IntToOnOff(radio_buttons_[5]->checked()));
+    }
+  }
+
+  // 6 radio buttons, 0-2 consists 1st group, and 3-5 consists
+  // 2nd group.
+  views::RadioButton* radio_buttons_[6];
+
+  // Control button to select radio buttons, and show the status of buttons.
+  views::TextButton* select_, *status_;
+
+  DISALLOW_COPY_AND_ASSIGN(RadioButtonExample);
+};
+
+}  // namespace examples
+
+#endif  // VIEWS_EXAMPLES_RADIO_BUTTON_EXAMPLE_H_
+