Add the basic code skeleton for system info event router

chrome/chrome_browser_extensions.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.
 
 {
   'targets': [
     {
       'target_name': 'browser_extensions',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 534 matching lines @@
         'browser/extensions/shell_window_geometry_cache.h',
         'browser/extensions/shell_window_registry.cc',
         'browser/extensions/shell_window_registry.h',
         'browser/extensions/startup_helper.cc',
         'browser/extensions/startup_helper.h',
         'browser/extensions/state_store.cc',
         'browser/extensions/state_store.h',
         'browser/extensions/system/system_api.cc',
         'browser/extensions/system/system_api.h',
         'browser/extensions/system_info_provider.h',
+        'browser/extensions/system_info_event_router.cc',
+        'browser/extensions/system_info_event_router.h',
         'browser/extensions/tab_helper.cc',
         'browser/extensions/tab_helper.h',
         'browser/extensions/theme_installed_infobar_delegate.cc',
         'browser/extensions/theme_installed_infobar_delegate.h',
         'browser/extensions/unpacked_installer.cc',
         'browser/extensions/unpacked_installer.h',
         'browser/extensions/updater/extension_downloader.cc',
         'browser/extensions/updater/extension_downloader.h',
         'browser/extensions/updater/extension_downloader_delegate.cc',
         'browser/extensions/updater/extension_downloader_delegate.h',
@@ skipping 137 matching lines @@
           'conditions': [
             ['OS=="linux" and toolkit_views==1',{
               'include_dirs': [
                 '<(INTERMEDIATE_DIR)',
                 '<(INTERMEDIATE_DIR)/chrome',
               ],
               'sources/': [
                 ['include', '^browser/extensions/'],
 
                 # Other excluded stuff.
-                ['exclude', '^browser/extensions/api/system_info_storage/storage_info_provider_win.cc'],
                 ['exclude', '^browser/extensions/browser_action_test_util_gtk.cc'],
                 ['exclude', '^browser/extensions/extension_host_mac.h'],
                 ['exclude', '^browser/extensions/extension_host_mac.mm'],
                 ['exclude', '^browser/extensions/external_registry_loader_win.cc'],
                 ['exclude', '^browser/extensions/external_registry_loader_win.h'],
               ],
             }],
             # Exclude these toolkit_views specific files again.
             # (Required because of the '^browser/extensions/' include above)
             ['toolkit_views==0', {
@@ skipping 60 matching lines @@
           'sources': [
             'browser/extensions/app_host.rc',
             'browser/extensions/app_host_stub_main.cc',
           ],
         },
       ],
     }, ],  # 'OS=="win"'
   ],  # 'conditions'
 }