[Mac][Material Design] Bring bookmark hover state, etc. up to spec.

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_controller.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_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_FOLDER_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_button.h"
 #import "ui/base/cocoa/tracking_area.h"
 
 class Profile;
 
 @class BookmarkBarController;
 @class BookmarkBarFolderView;
 @class BookmarkBarFolderHoverState;
 @class BookmarkBarFolderWindow;
 @class BookmarkBarFolderWindowContentView;
 @class BookmarkFolderTarget;
 
+namespace bookmarks {
+
+// The padding between the top of the folder menu and the topmost button.
+CGFloat BookmarkTopVerticalPadding();
+
+// The padding between the bottom of the folder menu and the bottommost button.
+CGFloat BookmarkBottomVerticalPadding();
+
+}  // bookmarks
+
 // A controller for the pop-up windows from bookmark folder buttons
 // which look sort of like menus.
 @interface BookmarkBarFolderController :
     NSWindowController<BookmarkButtonDelegate,
                        BookmarkButtonControllerProtocol> {
  @private
   // The button whose click opened us.
   base::scoped_nsobject<BookmarkButton> parentButton_;
 
   // Bookmark bar folder controller chains are torn down in two ways:
@@ skipping 173 matching lines @@
 - (NSView*)visibleView;
 - (NSScrollView*)scrollView;
 - (NSView*)folderView;
 
 - (IBAction)openBookmarkFolderFromButton:(id)sender;
 
 - (BookmarkButton*)buttonForDroppingOnAtPoint:(NSPoint)point;
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_FOLDER_CONTROLLER_H_