Adding using protobuf based communication for the power information transfer.

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 4308 matching lines @@
         }, {  # !chromeos==0
           'dependencies': [
             'browser/chromeos/input_method/input_method.gyp:gencode',
             '../build/linux/system.gyp:dbus',
             '../build/linux/system.gyp:dbus-glib',
             '../build/linux/system.gyp:fontconfig',
             '../build/linux/system.gyp:x11',
             '../dbus/dbus.gyp:dbus',
             '../third_party/libevent/libevent.gyp:libevent',
             '../third_party/mozc/chrome/chromeos/renderer/chromeos_renderer.gyp:mozc_candidates_proto',
+            'power_supply_properties_proto',
           ],
           'sources/': [
             ['exclude', 'browser/extensions/default_apps.cc'],
             ['exclude', 'browser/extensions/default_apps.h'],
             ['exclude', 'browser/first_run/upgrade_util.cc'],
             ['exclude', 'browser/first_run/upgrade_util.h'],
             ['exclude', 'browser/first_run/upgrade_util_linux.cc'],
             ['exclude', 'browser/icon_loader_linux.cc'],
             ['exclude', 'browser/icon_manager_linux.cc'],
             ['exclude', 'browser/idle_linux.cc'],
@@ skipping 789 matching lines @@
                 ['exclude', '^browser/ui/panels/panel_browser_window_gtk.h'],
               ],
             }, { # else: OS=="linux" and toolkit_views==1
               'sources/': [
                 ['exclude', '^browser/ui/login/login_prompt_ui.cc'],
                 ['exclude', '^browser/ui/webui/collected_cookies_ui_delegate.cc'],
                 ['exclude', '^browser/ui/webui/collected_cookies_ui_delegate.h'],
                 ['exclude', '^browser/ui/webui/cookies_tree_model_adapter.cc'],
                 ['exclude', '^browser/ui/webui/cookies_tree_model_adapter.h'],
                 ['exclude', '^browser/ui/webui/tab_modal_confirm_dialog_webui.cc'],
-                ['exclude', '^browser/ui/webui/tab_modal_confirm_dialog_webui.h'],                
+                ['exclude', '^browser/ui/webui/tab_modal_confirm_dialog_webui.h'],
               ]
             }],
             # Exclude these toolkit_views specific files again.
             # (Required because of the '^browser/extensions/' include above)
             ['toolkit_views==0', {
               'sources/': [
                 ['exclude', '^browser/extensions/extension_input_api.cc'],
                 ['exclude', '^browser/extensions/extension_input_api.h'],
                 ['exclude', '^browser/extensions/key_identifier_conversion_views.cc'],
                 ['exclude', '^browser/extensions/key_identifier_conversion_views.h'],
@@ skipping 288 matching lines @@
       # protocol buffer.
       'target_name': 'in_memory_url_index_cache_proto',
       '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' ]
     },
+    {
+      # Protobuf compiler / generator for the PowerSupplyProperties protocol
+      # buffer.
+      'target_name': 'power_supply_properties_proto',
+      'type': 'static_library',
+      'sources': [
+        '../third_party/cros_system_api/dbus/power_supply_properties.proto',
+      ],
+      'variables': {
+        'proto_in_dir': '../third_party/cros_system_api/dbus/',
+        'proto_out_dir': 'chrome/browser/chromeos/dbus',
+      },
+      'includes': ['../build/protoc.gypi'],
+    },
   ],
 }