chromeos: Add support for the battery status API on chromeos.

chrome/chrome_browser.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',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 262 matching lines @@
         'browser/background/background_contents_service.h',
         'browser/background/background_contents_service_factory.cc',
         'browser/background/background_contents_service_factory.h',
         'browser/background/background_mode_manager.cc',
         'browser/background/background_mode_manager.h',
         'browser/background/background_mode_manager_chromeos.cc',
         'browser/background/background_mode_manager_aura.cc',
         'browser/background/background_mode_manager_gtk.cc',
         'browser/background/background_mode_manager_mac.mm',
         'browser/background/background_mode_manager_win.cc',
+        'browser/chromeos/battery_status_provider_chromeos.cc',
+        'browser/chromeos/battery_status_provider_chromeos.h',
         'browser/bookmarks/base_bookmark_model_observer.cc',
         'browser/bookmarks/base_bookmark_model_observer.h',
         'browser/bookmarks/bookmark_codec.cc',
         'browser/bookmarks/bookmark_codec.h',
         'browser/bookmarks/bookmark_context_menu_controller.cc',
         'browser/bookmarks/bookmark_context_menu_controller.h',
         'browser/bookmarks/bookmark_drop_info.cc',
         'browser/bookmarks/bookmark_drop_info.h',
         'browser/bookmarks/bookmark_editor.cc',
         'browser/bookmarks/bookmark_editor.h',
@@ skipping 4912 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/history/in_memory_url_index_cache.proto' ],
       'variables': {
         'proto_in_dir': 'browser/history',
         'proto_out_dir': 'chrome/browser/history',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }