ppapi: PPB_VpnProvider: Implement Resource Stub

ppapi/ppapi_shared.gypi

 # Copyright (c) 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.
 
 {
   'target_defaults': {
     'variables': {
       'ppapi_shared_target': 0,
     },
     'target_conditions': [
@@ skipping 115 matching lines @@
           'shared_impl/tracked_callback.cc',
           'shared_impl/tracked_callback.h',
           'shared_impl/url_request_info_data.cc',
           'shared_impl/url_request_info_data.h',
           'shared_impl/url_response_info_data.cc',
           'shared_impl/url_response_info_data.h',
           'shared_impl/var.cc',
           'shared_impl/var.h',
           'shared_impl/var_tracker.cc',
           'shared_impl/var_tracker.h',
+          'shared_impl/vpn_provider_util.cc',
+          'shared_impl/vpn_provider_util.h',
 
           'shared_impl/private/ppb_char_set_shared.cc',
           'shared_impl/private/ppb_char_set_shared.h',
           'shared_impl/private/ppb_x509_certificate_private_shared.cc',
           'shared_impl/private/ppb_x509_certificate_private_shared.h',
 
           'thunk/enter.cc',
           'thunk/enter.h',
           'thunk/ppb_audio_api.h',
           'thunk/ppb_audio_buffer_api.h',
@@ skipping 208 matching lines @@
               'thunk/ppb_tcp_socket_private_thunk.cc',
               'thunk/ppb_udp_socket_private_thunk.cc',
               'thunk/ppb_x509_certificate_private_thunk.cc',
             ],
           }],
         ],
       }],
     ],
   },
 }