Revert 179554 - suspected to break browser_tests on Mac 10.6

chrome/chrome_browser_ui.gypi

 # Copyright 2012 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_ui',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 227 matching lines @@
         'browser/ui/bookmarks/bookmark_tab_helper.cc',
         'browser/ui/bookmarks/bookmark_tab_helper.h',
         'browser/ui/bookmarks/bookmark_tab_helper_delegate.cc',
         'browser/ui/bookmarks/bookmark_tab_helper_delegate.h',
         'browser/ui/bookmarks/bookmark_utils.cc',
         'browser/ui/bookmarks/bookmark_utils.h',
         'browser/ui/browser.cc',
         'browser/ui/browser.h',
         'browser/ui/browser_commands.cc',
         'browser/ui/browser_commands.h',
-        'browser/ui/browser_commands_mac.cc',
-        'browser/ui/browser_commands_mac.h',
         'browser/ui/browser_command_controller.cc',
         'browser/ui/browser_command_controller.h',
         'browser/ui/browser_content_setting_bubble_model_delegate.cc',
         'browser/ui/browser_content_setting_bubble_model_delegate.h',
         'browser/ui/browser_dialogs.h',
         'browser/ui/browser_finder.cc',
         'browser/ui/browser_finder.h',
         'browser/ui/browser_instant_controller.cc',
         'browser/ui/browser_instant_controller.h',
         'browser/ui/browser_list.cc',
@@ skipping 2526 matching lines @@
         }],
         ['enable_message_center==1', {
           'dependencies': [
             '../ui/message_center/message_center.gyp:message_center',
           ],
         }],
       ],
     },
   ],
 }