Re-implement form validation message UI with native widgets. (Common and Mac)

chrome/chrome_common.gypi

 # Copyright (c) 2013 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': 'common',
       'type': 'static_library',
       'variables': {
@@ skipping 385 matching lines @@
         'common/startup_metric_utils.cc',
         'common/startup_metric_utils.h',
         'common/switch_utils.cc',
         'common/switch_utils.h',
         'common/thumbnail_score.cc',
         'common/thumbnail_score.h',
         'common/time_format.cc',
         'common/time_format.h',
         'common/url_constants.cc',
         'common/url_constants.h',
+        'common/validation_message_messages.h',
         'common/web_apps.cc',
         'common/web_apps.h',
         'common/web_resource/web_resource_unpacker.cc',
         'common/web_resource/web_resource_unpacker.h',
         'common/worker_thread_ticker.cc',
         'common/worker_thread_ticker.h',
       ],
       'conditions': [
         ['enable_extensions==1', {
           'sources!': [
@@ skipping 44 matching lines @@
             ['exclude', '^common/custom_handlers/'],
             ['exclude', '^common/extensions/'],
             ['exclude', '^common/external_ipc_fuzzer\\.'],
             ['exclude', '^common/logging_chrome\\.'],
             ['exclude', '^common/multi_process_'],
             ['exclude', '^common/nacl_'],
             ['exclude', '^common/pepper_flash\\.'],
             ['exclude', '^common/profiling\\.'],
             ['exclude', '^common/service_process_util_'],
             ['exclude', '^common/spellcheck_'],
+            ['exclude', '^common/validation_message_'],
             ['exclude', '^common/web_apps\\.'],
             # TODO(ios): Include files here as they are made to work; once
             # everything is online, remove everything below here and just
             # use the exclusions above.
             ['exclude', '\\.(cc|mm)$'],
             ['include', '_ios\\.(cc|mm)$'],
             ['include', '(^|/)ios/'],
             ['include', '^common/chrome_version_info\\.cc$'],
             ['include', '^common/zip'],
           ],
@@ skipping 250 matching lines @@
         'common/metrics/proto/user_action_event.proto',
       ],
       'variables': {
         'proto_in_dir': 'common/metrics/proto',
         'proto_out_dir': 'chrome/common/metrics/proto',
       },
       'includes': [ '../build/protoc.gypi' ],
     },
   ],
 }