Introduce bad_message.h for chrome and NaCl.

chrome/chrome_browser.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.
 
 {
   'variables': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 216 matching lines @@
       'browser/autofill/android/personal_data_manager_android.cc',
       'browser/autofill/android/personal_data_manager_android.h',
       'browser/autofill/options_util.cc',
       'browser/autofill/options_util.h',
       'browser/autofill/personal_data_manager_factory.cc',
       'browser/autofill/personal_data_manager_factory.h',
       'browser/autofill/risk_util.cc',
       'browser/autofill/risk_util.h',
       'browser/autofill/validation_rules_storage_factory.cc',
       'browser/autofill/validation_rules_storage_factory.h',
+      'browser/bad_message.cc',
+      'browser/bad_message.h',
       'browser/banners/app_banner_data_fetcher.cc',
       'browser/banners/app_banner_data_fetcher.h',
       'browser/banners/app_banner_debug_log.cc',
       'browser/banners/app_banner_debug_log.h',
       'browser/banners/app_banner_manager.cc',
       'browser/banners/app_banner_manager.h',
       'browser/banners/app_banner_metrics.cc',
       'browser/banners/app_banner_metrics.h',
       'browser/banners/app_banner_settings_helper.cc',
       'browser/banners/app_banner_settings_helper.h',
@@ skipping 3723 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/sync_file_system/drive_backend',
             'proto_out_dir': 'chrome/browser/sync_file_system/drive_backend',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],
   ],
 }