[Mac] Integrate divider into browser-action overflow chevron.

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 788 matching lines @@
         'browser/cocoa/extension_installed_bubble_controller.h',
         'browser/cocoa/extension_installed_bubble_controller.mm',
         'browser/cocoa/extension_view_mac.h',
         'browser/cocoa/extension_view_mac.mm',
         'browser/cocoa/extensions/browser_action_button.h',
         'browser/cocoa/extensions/browser_action_button.mm',
         'browser/cocoa/extensions/browser_actions_container_view.h',
         'browser/cocoa/extensions/browser_actions_container_view.mm',
         'browser/cocoa/extensions/browser_actions_controller.h',
         'browser/cocoa/extensions/browser_actions_controller.mm',
+        'browser/cocoa/extensions/chevron_menu_button.h',
+        'browser/cocoa/extensions/chevron_menu_button.mm',
+        'browser/cocoa/extensions/chevron_menu_button_cell.h',
+        'browser/cocoa/extensions/chevron_menu_button_cell.mm',
         'browser/cocoa/extensions/extension_action_context_menu.h',
         'browser/cocoa/extensions/extension_action_context_menu.mm',
         'browser/cocoa/extensions/extension_infobar_controller.h',
         'browser/cocoa/extensions/extension_infobar_controller.mm',
         'browser/cocoa/extensions/extension_install_prompt_controller.h',
         'browser/cocoa/extensions/extension_install_prompt_controller.mm',
         'browser/cocoa/extensions/extension_popup_controller.h',
         'browser/cocoa/extensions/extension_popup_controller.mm',
         'browser/cocoa/external_protocol_dialog.h',
         'browser/cocoa/external_protocol_dialog.mm',
@@ skipping 2911 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: