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diff --git a/views/controls/button/menu_button.h b/views/controls/button/menu_button.h
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+// Copyright (c) 2006-2008 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_CONTROLS_BUTTON_MENU_BUTTON_H_
+#define VIEWS_CONTROLS_BUTTON_MENU_BUTTON_H_
+
+#include <windows.h>
+
+#include "app/gfx/chrome_font.h"
+#include "base/time.h"
+#include "views/background.h"
+#include "views/controls/button/text_button.h"
+
+namespace views {
+
+class MouseEvent;
+class ViewMenuDelegate;
+
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// MenuButton
+//
+//  A button that shows a menu when the left mouse button is pushed
+//
+////////////////////////////////////////////////////////////////////////////////
+class MenuButton : public TextButton {
+ public:
+  //
+  // Create a Button
+  MenuButton(ButtonListener* listener,
+             const std::wstring& text,
+             ViewMenuDelegate* menu_delegate,
+             bool show_menu_marker);
+  virtual ~MenuButton();
+
+  void set_menu_delegate(ViewMenuDelegate* delegate) {
+    menu_delegate_ = delegate;
+  }
+
+  // Activate the button (called when the button is pressed).
+  virtual bool Activate();
+
+  // Overridden to take into account the potential use of a drop marker.
+  virtual gfx::Size GetPreferredSize();
+  virtual void Paint(ChromeCanvas* canvas, bool for_drag);
+
+  // These methods are overriden to implement a simple push button
+  // behavior
+  virtual bool OnMousePressed(const MouseEvent& e);
+  void OnMouseReleased(const MouseEvent& e, bool canceled);
+  virtual bool OnKeyReleased(const KeyEvent& e);
+  virtual void OnMouseExited(const MouseEvent& event);
+
+  // Accessibility accessors, overridden from View.
+  virtual bool GetAccessibleDefaultAction(std::wstring* action);
+  virtual bool GetAccessibleRole(AccessibilityTypes::Role* role);
+  virtual bool GetAccessibleState(AccessibilityTypes::State* state);
+
+ protected:
+  // true if the menu is currently visible.
+  bool menu_visible_;
+
+ private:
+
+  // Compute the maximum X coordinate for the current screen. MenuButtons
+  // use this to make sure a menu is never shown off screen.
+  int GetMaximumScreenXCoordinate();
+
+  DISALLOW_EVIL_CONSTRUCTORS(MenuButton);
+
+  // We use a time object in order to keep track of when the menu was closed.
+  // The time is used for simulating menu behavior for the menu button; that
+  // is, if the menu is shown and the button is pressed, we need to close the
+  // menu. There is no clean way to get the second click event because the
+  // menu is displayed using a modal loop and, unlike regular menus in Windows,
+  // the button is not part of the displayed menu.
+  base::Time menu_closed_time_;
+
+  // The associated menu's resource identifier.
+  ViewMenuDelegate* menu_delegate_;
+
+  // Whether or not we're showing a drop marker.
+  bool show_menu_marker_;
+
+  friend class TextButtonBackground;
+};
+
+}  // namespace views
+
+#endif  // VIEWS_CONTROLS_BUTTON_MENU_BUTTON_H_