Reapply r50859 with chromeos fixes.

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 1377 matching lines @@
         'browser/gtk/focus_store_gtk.cc',
         'browser/gtk/focus_store_gtk.h',
         'browser/gtk/fullscreen_exit_bubble_gtk.cc',
         'browser/gtk/fullscreen_exit_bubble_gtk.h',
         'browser/gtk/gtk_chrome_button.cc',
         'browser/gtk/gtk_chrome_button.h',
         'browser/gtk/gtk_chrome_link_button.cc',
         'browser/gtk/gtk_chrome_link_button.h',
         'browser/gtk/gtk_chrome_shrinkable_hbox.cc',
         'browser/gtk/gtk_chrome_shrinkable_hbox.h',
+        'browser/gtk/gtk_custom_menu.cc',
+        'browser/gtk/gtk_custom_menu.h',
+        'browser/gtk/gtk_custom_menu_item.cc',
+        'browser/gtk/gtk_custom_menu_item.h',
         'browser/gtk/gtk_expanded_container.cc',
         'browser/gtk/gtk_expanded_container.h',
         'browser/gtk/gtk_floating_container.cc',
         'browser/gtk/gtk_floating_container.h',
         'browser/gtk/gtk_theme_provider.cc',
         'browser/gtk/gtk_theme_provider.h',
         'browser/gtk/gtk_tree.cc',
         'browser/gtk/gtk_tree.h',
         'browser/gtk/gtk_util.cc',
         'browser/gtk/gtk_util.h',
@@ skipping 1864 matching lines @@
                 ['include', '^browser/gtk/edit_search_engine_dialog.cc'],
                 ['include', '^browser/gtk/edit_search_engine_dialog.h'],
                 ['include', '^browser/gtk/first_run_dialog.cc'],
                 ['include', '^browser/gtk/first_run_dialog.h'],
                 ['include', '^browser/gtk/focus_store_gtk.cc'],
                 ['include', '^browser/gtk/focus_store_gtk.h'],
                 ['include', '^browser/gtk/gtk_chrome_button.cc'],
                 ['include', '^browser/gtk/gtk_chrome_button.h'],
                 ['include', '^browser/gtk/gtk_chrome_link_button.cc'],
                 ['include', '^browser/gtk/gtk_chrome_link_button.h'],
+                ['include', '^browser/gtk/gtk_custom_menu.cc'],
+                ['include', '^browser/gtk/gtk_custom_menu.h'],
+                ['include', '^browser/gtk/gtk_custom_menu_item.cc'],
+                ['include', '^browser/gtk/gtk_custom_menu_item.h'],
                 ['include', '^browser/gtk/gtk_theme_provider.cc'],
                 ['include', '^browser/gtk/gtk_theme_provider.h'],
                 ['include', '^browser/gtk/gtk_tree.cc'],
                 ['include', '^browser/gtk/gtk_tree.h'],
                 ['include', '^browser/gtk/gtk_util.cc'],
                 ['include', '^browser/gtk/gtk_util.h'],
                 ['include', '^browser/gtk/hover_controller_gtk.cc'],
                 ['include', '^browser/gtk/hover_controller_gtk.h'],
                 ['include', '^browser/gtk/hung_renderer_dialog_gtk.cc'],
                 ['include', '^browser/gtk/import_dialog_gtk.cc'],
@@ skipping 206 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: