Rework how bookmark bar folder menus and submenus are layed out when scrollin...

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

 // Copyright (c) 2010 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.
 
 // Constants used for positioning the bookmark bar. These aren't placed in a
 // different file because they're conditionally included in cross platform code
 // and thus no Objective-C++ stuff.
 
 #ifndef CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_CONSTANTS_H_
 #define CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_CONSTANTS_H_
@@ skipping 15 matching lines @@
 const int kNTPBookmarkBarHeight = 40;
 
 // The amount of space between the inner bookmark bar and the outer toolbar on
 // new tab pages.
 const int kNTPBookmarkBarPadding =
     (kNTPBookmarkBarHeight - (kBookmarkBarHeight + kVisualHeightOffset)) / 2;
 
 // The height of buttons in the bookmark bar.
 const int kBookmarkButtonHeight = kBookmarkBarHeight + kVisualHeightOffset;
 
+// The radius of the corner curves on the menu. Also used for sizing the shadow
+// window behind the menu window at times when the menu can be scrolled.
+const CGFloat kBookmarkBarMenuCornerRadius = 4.0;
+
 }  // namespace bookmarks
 
 #endif  // CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_CONSTANTS_H_