Implement Browser Actions extensions....

chrome/chrome.gyp

 # Copyright (c) 2009 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.
 
 {
   'variables': {
     'chromium_code': 1,
 
     # Define the common dependencies that contain all the actual
     # Chromium functionality.  This list gets pulled in below by
@@ skipping 1962 matching lines @@
         'browser/views/bookmark_folder_tree_view.cc',
         'browser/views/bookmark_folder_tree_view.h',
         'browser/views/bookmark_manager_view.cc',
         'browser/views/bookmark_manager_view.h',
         'browser/views/bookmark_menu_button.cc',
         'browser/views/bookmark_menu_button.h',
         'browser/views/bookmark_menu_controller_views.cc',
         'browser/views/bookmark_menu_controller_views.h',
         'browser/views/bookmark_table_view.cc',
         'browser/views/bookmark_table_view.h',
+        'browser/views/browser_actions_container.cc',
+        'browser/views/browser_actions_container.h',
         'browser/views/browser_bubble.cc',
         'browser/views/browser_bubble.h',
         'browser/views/browser_bubble_gtk.cc',
         'browser/views/browser_bubble_win.cc',
         'browser/views/browser_dialogs.h',
         'browser/views/bubble_border.cc',
         'browser/views/bubble_border.h',
         'browser/views/bug_report_view.cc',
         'browser/views/bug_report_view.h',
         'browser/views/chrome_views_delegate.cc',
@@ skipping 4664 matching lines @@
               'defines': [
                 'POSIX',
               ],
             }],
           ],
         },
       ],  # targets when chrome_personalization==1 and use_syncapi_stub==0
     }],
   ],  # 'conditions'
 }