Split WarningService from ExtensionSystem.

extensions/extensions.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,
   },
   'targets': [
     {
@@ skipping 740 matching lines @@
         'browser/value_store/value_store_frontend.cc',
         'browser/value_store/value_store_frontend.h',
         'browser/value_store/value_store_util.cc',
         'browser/value_store/value_store_util.h',
         'browser/verified_contents.cc',
         'browser/verified_contents.h',
         'browser/view_type_utils.cc',
         'browser/view_type_utils.h',
         'browser/warning_service.cc',
         'browser/warning_service.h',
+        'browser/warning_service_factory.cc',
+        'browser/warning_service_factory.h',
         'browser/warning_set.cc',
         'browser/warning_set.h',
       ],
       'conditions': [
         # This condition exists only because the extensions_common_constants
         # target is always built and thus this file gets evaluated by GYP.
         # This does not need to be replicated into extensions/browser/BUILD.gn.
         ['OS == "ios" or OS == "android"', {
           'dependencies!': [
             '../components/components.gyp:storage_monitor',
@@ skipping 443 matching lines @@
       'conditions': [
         ['OS=="win" and win_use_allocator_shim==1', {
           'dependencies': [
             '../base/allocator/allocator.gyp:allocator',
           ],
         }],
       ],
     },
   ]
 }