Fix bug where we'd allow chrome-extension URLs to be loaded in incognito mode

chrome/chrome_tests.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.
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 1427 matching lines @@
         'browser/extensions/extension_event_router_forwarder_unittest.cc',
         'browser/extensions/extension_icon_manager_unittest.cc',
         'browser/extensions/extension_idle_api_unittest.cc',
         'browser/extensions/extension_info_map_unittest.cc',
         'browser/extensions/extension_menu_manager_unittest.cc',
         'browser/extensions/extension_omnibox_unittest.cc',
         'browser/extensions/extension_pref_value_map_unittest.cc',
         'browser/extensions/extension_prefs_unittest.cc',
         'browser/extensions/extension_prefs_unittest.h',
         'browser/extensions/extension_process_manager_unittest.cc',
+        'browser/extensions/extension_protocols_unittest.cc',
         'browser/extensions/extension_service_unittest.cc',
         'browser/extensions/extension_service_unittest.h',
         'browser/extensions/extension_sorting_unittest.cc',
         'browser/extensions/extension_special_storage_policy_unittest.cc',
         'browser/extensions/extension_sync_data_unittest.cc',
         'browser/extensions/extension_tts_api_controller_unittest.cc',
         'browser/extensions/extension_ui_unittest.cc',
         'browser/extensions/extension_warning_set_unittest.cc',
         'browser/extensions/extension_webnavigation_unittest.cc',
         'browser/extensions/extensions_quota_service_unittest.cc',
@@ skipping 3138 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }