Fix bug: AppShell: CHECK failure in PeerConnection init.

extensions/shell/app_shell.gyp

 # Copyright 2014 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,
   },
   'targets': [
     {
@@ skipping 68 matching lines @@
         'browser/shell_extension_system_factory.cc',
         'browser/shell_extension_system_factory.h',
         'browser/shell_extension_web_contents_observer.cc',
         'browser/shell_extension_web_contents_observer.h',
         'browser/shell_extensions_browser_client.cc',
         'browser/shell_extensions_browser_client.h',
         'browser/shell_native_app_window.cc',
         'browser/shell_native_app_window.h',
         'browser/shell_network_controller_chromeos.cc',
         'browser/shell_network_controller_chromeos.h',
+        'browser/shell_network_delegate.cc',
+        'browser/shell_network_delegate.h',
         'browser/shell_omaha_query_params_delegate.cc',
         'browser/shell_omaha_query_params_delegate.h',
         'browser/shell_runtime_api_delegate.cc',
         'browser/shell_runtime_api_delegate.h',
         'browser/shell_special_storage_policy.cc',
         'browser/shell_special_storage_policy.h',
+        'browser/shell_url_request_context_getter.cc',
+        'browser/shell_url_request_context_getter.h',
         'browser/shell_web_contents_modal_dialog_manager.cc',
         'common/shell_content_client.cc',
         'common/shell_content_client.h',
         'common/shell_extensions_client.cc',
         'common/shell_extensions_client.h',
         'common/switches.h',
         'common/switches.cc',
         'renderer/shell_content_renderer_client.cc',
         'renderer/shell_content_renderer_client.h',
         'renderer/shell_extensions_renderer_client.cc',
@@ skipping 157 matching lines @@
             '<@(_outputs)',
           ],
           'includes': [
             '../../build/util/version.gypi',
           ],
         },
       ],
     },
   ],  # targets
 }