content: Move gtk_expanded_container to ui/base/gtk/.

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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': 'static_library',
       'dependencies': [
@@ skipping 2817 matching lines @@
         'browser/ui/gtk/gtk_chrome_cookie_view.cc',
         'browser/ui/gtk/gtk_chrome_cookie_view.h',
         'browser/ui/gtk/gtk_chrome_link_button.cc',
         'browser/ui/gtk/gtk_chrome_link_button.h',
         'browser/ui/gtk/gtk_chrome_shrinkable_hbox.cc',
         'browser/ui/gtk/gtk_chrome_shrinkable_hbox.h',
         'browser/ui/gtk/gtk_custom_menu.cc',
         'browser/ui/gtk/gtk_custom_menu.h',
         'browser/ui/gtk/gtk_custom_menu_item.cc',
         'browser/ui/gtk/gtk_custom_menu_item.h',
-        'browser/ui/gtk/gtk_expanded_container.cc',
-        'browser/ui/gtk/gtk_expanded_container.h',
         'browser/ui/gtk/gtk_theme_service.cc',
         'browser/ui/gtk/gtk_theme_service.h',
         'browser/ui/gtk/gtk_tree.cc',
         'browser/ui/gtk/gtk_tree.h',
         'browser/ui/gtk/gtk_util.cc',
         'browser/ui/gtk/gtk_util.h',
         'browser/ui/gtk/hover_controller_gtk.cc',
         'browser/ui/gtk/hover_controller_gtk.h',
         'browser/ui/gtk/html_dialog_gtk.cc',
         'browser/ui/gtk/html_dialog_gtk.h',
@@ skipping 2035 matching lines @@
               # weak imports in dependents, who still must #include
               # closure_blocks_leopard_compat.h to get weak imports.
               'type': 'none',
             }],
           ],
         },
       ],
     }],
   ],
 }