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

chrome/browser/ui/cocoa/bookmarks/bookmark_button_cell.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_BUTTON_CELL_H_
 #define CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BUTTON_CELL_H_
 #pragma once
 
 #import "base/mac/cocoa_protocols.h"
 #import "chrome/browser/ui/cocoa/gradient_button_cell.h"
 
 class BookmarkNode;
 
 // A button cell that handles drawing/highlighting of buttons in the
 // bookmark bar.  This cell forwards mouseEntered/mouseExited events
 // to its control view so that pseudo-menu operations
 // (e.g. hover-over to open) can be implemented.
 @interface BookmarkButtonCell : GradientButtonCell<NSMenuDelegate> {
  @private
   BOOL empty_;  // is this an "empty" button placeholder button cell?
 
+  // Starting index of bookmarkFolder children that we care to use.
+  int startingChildIndex_;
+
+  // Should we draw the folder arrow as needed?  Not used for the bar
+  // itself but used on the folder windows.
+  BOOL drawFolderArrow_;
+
+  // Arrow for folders
+  scoped_nsobject<NSImage> arrowImage_;
+
   // Text color for title.
   scoped_nsobject<NSColor> textColor_;
 }
 
 @property(nonatomic, readwrite, assign) const BookmarkNode* bookmarkNode;
+@property(nonatomic, readwrite, assign) int startingChildIndex;
+@property(nonatomic, readwrite, assign) BOOL drawFolderArrow;
 
 // Create a button cell which draws with a theme.
 + (id)buttonCellForNode:(const BookmarkNode*)node
             contextMenu:(NSMenu*)contextMenu
                cellText:(NSString*)cellText
               cellImage:(NSImage*)cellImage;
 
 // Initialize a button cell which draws with a theme.
 // Designated initializer.
 - (id)initForNode:(const BookmarkNode*)node
       contextMenu:(NSMenu*)contextMenu
          cellText:(NSString*)cellText
         cellImage:(NSImage*)cellImage;
 
 - (BOOL)empty;  // returns YES if empty.
 - (void)setEmpty:(BOOL)empty;
 
 // |-setBookmarkCellText:image:| is used to set the text and image of
 // a BookmarkButtonCell, and align the image to the left (NSImageLeft)
 // if there is text in the title, and centered (NSImageCenter) if
 // there is not.  If |title| is nil, do not reset the title.
 - (void)setBookmarkCellText:(NSString*)title
                       image:(NSImage*)image;
 
 // Set the color of text in this cell.
 - (void)setTextColor:(NSColor*)color;
 
+- (BOOL)isFolderButtonCell;
+
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BUTTON_CELL_H_