[Mac] Restore the old bookmark menus now that the experiment is over.

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_window.h

+// 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_COCOA_BOOKMARKS_BOOKMARK_BAR_FOLDER_WINDOW_H_
+#define CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_FOLDER_WINDOW_H_
+#pragma once
+
+#import <Cocoa/Cocoa.h>
+#import "base/mac/cocoa_protocols.h"
+#include "base/memory/scoped_nsobject.h"
+
+
+// Window for a bookmark folder "menu".  This menu pops up when you
+// click on a bookmark button that represents a folder of bookmarks.
+// This window is borderless but has a shadow, at least initially.
+// Once the down scroll arrow is shown, the shadow is turned off and
+// a secondary window is added which is sized to match the visible
+// area of the menu and which provides the shadow.
+@interface BookmarkBarFolderWindow : NSWindow
+@end
+
+// Content view for the above window.  "Stock" other than the drawing
+// of rounded corners.  Only used in the nib.
+@interface BookmarkBarFolderWindowContentView : NSView
+@end
+
+// Scroll view that contains the main view (where the buttons go).
+@interface BookmarkBarFolderWindowScrollView : NSScrollView
+@end
+
+
+#endif  // CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_FOLDER_WINDOW_H_