Re-implement form validation message UI with native widgets (Views)

chrome/chrome_browser_ui.gypi

 # Copyright 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',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 1825 matching lines @@
         'browser/ui/views/toolbar_view.h',
         'browser/ui/views/top_level_widget_views.cc',
         'browser/ui/views/uninstall_view.cc',
         'browser/ui/views/uninstall_view.h',
         'browser/ui/views/update_recommended_message_box.cc',
         'browser/ui/views/update_recommended_message_box.h',
         'browser/ui/views/outdated_upgrade_bubble_view.h',
         'browser/ui/views/outdated_upgrade_bubble_view.cc',
         'browser/ui/views/user_data_dir_dialog_view.cc',
         'browser/ui/views/user_data_dir_dialog_view.h',
+        'browser/ui/views/validation_message_bubble_delegate.h',
+        'browser/ui/views/validation_message_bubble_delegate.cc',
         'browser/ui/views/validation_message_bubble_view.cc',
         'browser/ui/views/web_contents_modal_dialog_manager_views.cc',
         'browser/ui/views/website_settings/permission_selector_view.cc',
         'browser/ui/views/website_settings/permission_selector_view.h',
         'browser/ui/views/website_settings/permission_selector_view_observer.h',
         'browser/ui/views/website_settings/website_settings_popup_view.cc',
         'browser/ui/views/website_settings/website_settings_popup_view.h',
         'browser/ui/views/wrench_menu.cc',
         'browser/ui/views/wrench_menu.h',
         'browser/ui/views/wrench_toolbar_button.cc',
@@ skipping 1058 matching lines @@
         }],
         ['enable_message_center==1', {
           'dependencies': [
             '../ui/message_center/message_center.gyp:message_center',
           ],
         }],
       ],
     },
   ],
 }