Revert 206237 "Menu for the OSX app launcher, HoverImageMenuButt..."

trunk/src/ui/base/cocoa/controls/hover_image_menu_button.h

Index: trunk/src/ui/base/cocoa/controls/hover_image_menu_button.h
===================================================================
--- trunk/src/ui/base/cocoa/controls/hover_image_menu_button.h	(revision 206373)
+++ trunk/src/ui/base/cocoa/controls/hover_image_menu_button.h	(working copy)
@@ -1,29 +0,0 @@
-// Copyright 2013 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 UI_BASE_COCOA_CONTROLS_HOVER_IMAGE_MENU_BUTTON_H_
-#define UI_BASE_COCOA_CONTROLS_HOVER_IMAGE_MENU_BUTTON_H_
-
-#import <Cocoa/Cocoa.h>
-
-#import "ui/base/cocoa/tracking_area.h"
-#include "ui/base/ui_export.h"
-
-@class HoverImageMenuButtonCell;
-
-// An NSPopUpButton that additionally tracks mouseover state and calls
-// [[self cell] setHovered:flag] when the hover state changes. Uses
-// HoverImageMenuButtonCell as the default cellClass. Note that the menu item at
-// index 0 is ignored and client code should populate it with a dummy item.
-UI_EXPORT
-@interface HoverImageMenuButton : NSPopUpButton {
- @private
-  ui::ScopedCrTrackingArea trackingArea_;
-}
-
-- (HoverImageMenuButtonCell*)hoverImageMenuButtonCell;
-
-@end
-
-#endif  // UI_BASE_COCOA_CONTROLS_HOVER_IMAGE_MENU_BUTTON_H_