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

content/content_renderer.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.
 
 {
   'dependencies': [
     '../jingle/jingle.gyp:jingle_glue',
     '../net/net.gyp:net',
     '../ppapi/ppapi_internal.gyp:ppapi_proxy',
     '../ppapi/ppapi_internal.gyp:ppapi_shared',
@@ skipping 24 matching lines @@
     'public/renderer/render_thread.cc',
     'public/renderer/render_thread.h',
     'public/renderer/render_view.h',
     'public/renderer/render_view_observer.cc',
     'public/renderer/render_view_observer.h',
     'public/renderer/render_view_observer_tracker.h',
     'public/renderer/render_view_visitor.h',
     'public/renderer/v8_value_converter.h',
     'renderer/active_notification_tracker.cc',
     'renderer/active_notification_tracker.h',
+    'renderer/battery_status_dispatcher.cc',
+    'renderer/battery_status_dispatcher.h',
     'renderer/device_orientation_dispatcher.cc',
     'renderer/device_orientation_dispatcher.h',
     'renderer/devtools_agent.cc',
     'renderer/devtools_agent.h',
     'renderer/devtools_agent_filter.cc',
     'renderer/devtools_agent_filter.h',
     'renderer/devtools_client.cc',
     'renderer/devtools_client.h',
     'renderer/dom_automation_controller.cc',
     'renderer/dom_automation_controller.h',
@@ skipping 227 matching lines @@
     }, {
       'sources!': [
         'renderer/java/java_bridge_channel.cc',
         'renderer/java/java_bridge_channel.h',
         'renderer/java/java_bridge_dispatcher.cc',
         'renderer/java/java_bridge_dispatcher.h',
       ],
     }],
   ],
 }