chromeos: Show onscreen bubble when brightness changes.

chrome/chrome_browser.gypi

 # Copyright (c) 2010 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': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 372 matching lines @@
         'browser/chromeos/notifications/notification_panel.cc',
         'browser/chromeos/notifications/notification_panel.h',
         'browser/chromeos/notifications/system_notification.cc',
         'browser/chromeos/notifications/system_notification.h',
         'browser/chromeos/notifications/system_notification_factory.cc',
         'browser/chromeos/notifications/system_notification_factory.h',
         'browser/chromeos/audio_handler.cc',
         'browser/chromeos/audio_handler.h',
         'browser/chromeos/boot_times_loader.cc',
         'browser/chromeos/boot_times_loader.h',
+        'browser/chromeos/brightness_bubble.cc',
+        'browser/chromeos/brightness_bubble.h',
+        'browser/chromeos/brightness_observer.cc',
+        'browser/chromeos/brightness_observer.h',
         'browser/chromeos/browser_main_chromeos.cc',
         'browser/chromeos/browser_main_chromeos.h',
         'browser/chromeos/cros_settings.cc',
         'browser/chromeos/cros_settings.h',
         'browser/chromeos/cros_settings_names.cc',
         'browser/chromeos/cros_settings_names.h',
         'browser/chromeos/cros_settings_provider.h',
         'browser/chromeos/cros_settings_provider.cc',
+        'browser/chromeos/cros/brightness_library.cc',
+        'browser/chromeos/cros/brightness_library.h',
         'browser/chromeos/cros/burn_library.cc',
         'browser/chromeos/cros/burn_library.h',
         'browser/chromeos/cros/cros_library.cc',
         'browser/chromeos/cros/cros_library.h',
         'browser/chromeos/cros/cros_library_loader.cc',
         'browser/chromeos/cros/cros_library_loader.h',
         'browser/chromeos/cros/cryptohome_library.cc',
         'browser/chromeos/cros/cryptohome_library.h',
         'browser/chromeos/cros/keyboard_library.cc',
         'browser/chromeos/cros/keyboard_library.h',
@@ skipping 3984 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: