Remove experimental sync promo layouts

chrome/chrome_browser.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',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 3923 matching lines @@
         'browser/ui/webui/sessions_ui.cc',
         'browser/ui/webui/sessions_ui.h',
         'browser/ui/webui/shared_resources_data_source.cc',
         'browser/ui/webui/shared_resources_data_source.h',
         'browser/ui/webui/signin/login_ui_service.cc',
         'browser/ui/webui/signin/login_ui_service.h',
         'browser/ui/webui/signin/login_ui_service_factory.cc',
         'browser/ui/webui/signin/login_ui_service_factory.h',
         'browser/ui/webui/sync_internals_ui.cc',
         'browser/ui/webui/sync_internals_ui.h',
-        'browser/ui/webui/sync_promo/sync_promo_dialog.cc',
-        'browser/ui/webui/sync_promo/sync_promo_dialog.h',
         'browser/ui/webui/sync_promo/sync_promo_handler.cc',
         'browser/ui/webui/sync_promo/sync_promo_handler.h',
         'browser/ui/webui/sync_promo/sync_promo_trial.cc',
         'browser/ui/webui/sync_promo/sync_promo_trial.h',
         'browser/ui/webui/sync_promo/sync_promo_ui.cc',
         'browser/ui/webui/sync_promo/sync_promo_ui.h',
         'browser/ui/webui/sync_setup_handler.cc',
         'browser/ui/webui/sync_setup_handler.h',
         'browser/ui/webui/tab_modal_confirm_dialog_webui.cc',
         'browser/ui/webui/tab_modal_confirm_dialog_webui.h',
@@ skipping 1331 matching lines @@
          'variables': {
           'proto_in_dir': '../third_party/cros_system_api/dbus/',
           'proto_out_dir': 'chrome/browser/chromeos/dbus',
          },
          'includes': ['../build/protoc.gypi'],
         }],
       ],
     },
   ],
 }