Add constant values for the webNavigation API....

chrome/chrome_browser.gypi

 # Copyright (c) 2010 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': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 1372 matching lines @@
         'browser/extensions/extension_test_api.cc',
         'browser/extensions/extension_test_api.h',
         'browser/extensions/extension_tts_api.cc',
         'browser/extensions/extension_tts_api.h',
         'browser/extensions/extension_toolbar_model.cc',
         'browser/extensions/extension_toolbar_model.h',
         'browser/extensions/extension_toolstrip_api.cc',
         'browser/extensions/extension_toolstrip_api.h',
         'browser/extensions/extension_updater.cc',
         'browser/extensions/extension_updater.h',
+        'browser/extensions/extension_web_navigation_api_constants.cc',
+        'browser/extensions/extension_web_navigation_api_constants.h',
         'browser/extensions/extensions_quota_service.cc',
         'browser/extensions/extensions_quota_service.h',
         'browser/extensions/extensions_service.cc',
         'browser/extensions/extensions_service.h',
         'browser/extensions/extensions_ui.cc',
         'browser/extensions/extensions_ui.h',
         'browser/extensions/external_extension_provider.h',
         'browser/extensions/external_registry_extension_provider_win.cc',
         'browser/extensions/external_registry_extension_provider_win.h',
         'browser/extensions/external_pref_extension_provider.cc',
@@ skipping 2392 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: