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 765 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': [
         ['enable_extensions==0', {
           # Exclude all API implementations and the ExtensionsApiClient
           # interface. Moving an API from src/chrome to src/extensions implies
           # it can be cleanly disabled with enable_extensions==0.
           # TODO: Eventually the entire extensions module should not be built
           # when enable_extensions==0.
@@ skipping 445 matching lines @@
       'conditions': [
         ['OS=="win" and win_use_allocator_shim==1', {
           'dependencies': [
             '../base/allocator/allocator.gyp:allocator',
           ],
         }],
       ],
     },
   ]
 }