Introduce bad_message.h for chrome and NaCl.

components/nacl.gyp

 # Copyright 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'target_defaults': {
     'variables': {
@@ skipping 72 matching lines @@
                 '../ppapi/native_client/native_client.gyp:nacl_irt',
                 '../ppapi/native_client/src/untrusted/pnacl_support_extension/pnacl_support_extension.gyp:pnacl_support_extension',
               ],
             }],
           ],
         },
         {
           'target_name': 'nacl_browser',
           'type': 'static_library',
           'sources': [
+            'nacl/browser/bad_message.cc',
+            'nacl/browser/bad_message.h',
             'nacl/browser/nacl_broker_host_win.cc',
             'nacl/browser/nacl_broker_host_win.h',
             'nacl/browser/nacl_broker_service_win.cc',
             'nacl/browser/nacl_broker_service_win.h',
             'nacl/browser/nacl_browser.cc',
             'nacl/browser/nacl_browser.h',
             'nacl/browser/nacl_file_host.cc',
             'nacl/browser/nacl_file_host.h',
             'nacl/browser/nacl_host_message_filter.cc',
             'nacl/browser/nacl_host_message_filter.h',
@@ skipping 386 matching lines @@
       ],
       'include_dirs': [
         '..',
       ],
       'dependencies': [
         '../content/content.gyp:content_common',
       ],
     },
   ]
 }