Add a factory and defines for native Linux surfaces.

ui/ui.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     'shell_dialogs.gypi',
@@ skipping 221 matching lines @@
         'base/l10n/l10n_util_android.cc',
         'base/l10n/l10n_util_collator.h',
         'base/l10n/l10n_util_mac.h',
         'base/l10n/l10n_util_mac.mm',
         'base/l10n/l10n_util_posix.cc',
         'base/l10n/l10n_util_win.cc',
         'base/l10n/l10n_util_win.h',
         'base/layout.cc',
         'base/layout.h',
         'base/layout_mac.mm',
+        'base/linux/native_surface_linux_factory.cc',
+        'base/linux/native_surface_linux_factory.h',
+        'base/linux/native_surface_linux_factory_delegate.cc',
+        'base/linux/native_surface_linux_factory_delegate.h',
         'base/models/button_menu_item_model.cc',
         'base/models/button_menu_item_model.h',
         'base/models/combobox_model.cc',
         'base/models/combobox_model.h',
         'base/models/list_model.h',
         'base/models/list_model_observer.h',
         'base/models/list_selection_model.cc',
         'base/models/list_selection_model.h',
         'base/models/menu_model.cc',
         'base/models/menu_model.h',
@@ skipping 559 matching lines @@
           'sources/': [
             ['exclude', 'base/keycodes/keyboard_code_conversion_x.*'],
             ['exclude', 'base/x/*'],
           ],
         }],
         ['use_messagepump_linux==0', {
           'sources!': [
             'base/cursor/cursor_null.cc',
             'base/cursor/cursor_loader_null.cc',
             'base/cursor/cursor_loader_null.h',
-          ],
+           ],
+        }],
+       ['use_native_surface_linux==0', {
+          'sources!': [
+            'base/linux/native_surface_linux_factory.cc',
+            'base/linux/native_surface_linux_factory.h',
+            'base/linux/native_surface_linux_factory_delegate.cc',
+            'base/linux/native_surface_linux_factory_delegate.h',
+           ],
         }],
         ['toolkit_views==0', {
           'sources!': [
             'base/events/event.cc',
             'base/events/event.h',
             'base/events/event_dispatcher.cc',
             'base/events/event_dispatcher.h',
             'base/events/event_handler.cc',
             'base/events/event_handler.h',
             'base/events/event_target.cc',
@@ skipping 167 matching lines @@
               'xcode_settings': {
                 'GCC_SYMBOLS_PRIVATE_EXTERN': 'NO',
               },
             }],
           ],
         },
       ],
     }],
   ],
 }