Allow the Views Delegate to provide the native widget.

chrome/chrome_browser_ui.gypi

 # Copyright (c) 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',
@@ skipping 1400 matching lines @@
         'browser/ui/views/frame/browser_non_client_frame_view_factory_win.cc',
         'browser/ui/views/frame/browser_non_client_frame_view_factory_x11.cc',
         'browser/ui/views/frame/browser_root_view.cc',
         'browser/ui/views/frame/browser_root_view.h',
         'browser/ui/views/frame/browser_view.cc',
         'browser/ui/views/frame/browser_view.h',
         'browser/ui/views/frame/browser_view_layout.cc',
         'browser/ui/views/frame/browser_view_layout.h',
         'browser/ui/views/frame/contents_container.cc',
         'browser/ui/views/frame/contents_container.h',
+        'browser/ui/views/frame/desktop_browser_frame_aura.cc',
+        'browser/ui/views/frame/desktop_browser_frame_aura.h',
         'browser/ui/views/frame/glass_browser_frame_view.cc',
         'browser/ui/views/frame/glass_browser_frame_view.h',
         'browser/ui/views/frame/native_browser_frame.h',
         'browser/ui/views/frame/opaque_browser_frame_view.cc',
         'browser/ui/views/frame/opaque_browser_frame_view.h',
         'browser/ui/views/frame/popup_non_client_frame_view.cc',
         'browser/ui/views/frame/popup_non_client_frame_view.h',
         'browser/ui/views/frame/system_menu_model.cc',
         'browser/ui/views/frame/system_menu_model.h',
         'browser/ui/views/frame/system_menu_model_delegate.cc',
@@ skipping 1203 matching lines @@
             ['exclude', '^browser/ui/views/select_file_dialog_extension.cc'],
             ['exclude', '^browser/ui/views/select_file_dialog_extension.h'],
             ['exclude', '^browser/ui/views/select_file_dialog_extension_factory.cc'],
             ['exclude', '^browser/ui/views/select_file_dialog_extension_factory.h'],
           ]}
         ],
       ],
     },
   ],
 }