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diff --git a/chrome/browser/ui/views/avatar_menu_button.h b/chrome/browser/ui/views/avatar_menu_button.h
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+++ b/chrome/browser/ui/views/avatar_menu_button.h
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+// Copyright (c) 2011 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 CHROME_BROWSER_UI_VIEWS_AVATAR_MENU_BUTTON_H_
+#define CHROME_BROWSER_UI_VIEWS_AVATAR_MENU_BUTTON_H_
+#pragma once
+
+#include <string>
+
+#include "base/compiler_specific.h"
+#include "ui/base/models/simple_menu_model.h"
+#include "views/controls/button/menu_button.h"
+#include "views/controls/menu/view_menu_delegate.h"
+
+namespace gfx {
+class Canvas;
+}
+
+// AvatarMenuButton
+//
+// A button used to show either the incognito avatar or the profile avatar.
+// The button can optionally have a menu attached to it.
+
+class AvatarMenuButton : public views::MenuButton,
+                         public views::ViewMenuDelegate {
+ public:
+  // Creates a new button. The object will take ownership of the menu model.
+  AvatarMenuButton(const std::wstring& text, ui::MenuModel* menu_model);
+
+  virtual ~AvatarMenuButton();
+
+  // views::MenuButton
+  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
+
+  static gfx::Size GetPreferredAvatarSize();
+
+ private:
+  // views::ViewMenuDelegate
+  virtual void RunMenu(views::View* source, const gfx::Point& pt) OVERRIDE;
+
+  scoped_ptr<ui::MenuModel> menu_model_;
+
+  DISALLOW_COPY_AND_ASSIGN(AvatarMenuButton);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_AVATAR_MENU_BUTTON_H_