Battery Status API: add plumbing for multi-platform support.

content/content_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.
 
 {
   'dependencies': [
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
     '../net/net.gyp:net',
@@ skipping 295 matching lines @@
     'browser/appcache/appcache_dispatcher_host.h',
     'browser/appcache/appcache_frontend_proxy.cc',
     'browser/appcache/appcache_frontend_proxy.h',
     'browser/appcache/appcache_interceptor.cc',
     'browser/appcache/appcache_interceptor.h',
     'browser/appcache/chrome_appcache_service.cc',
     'browser/appcache/chrome_appcache_service.h',
     'browser/appcache/view_appcache_internals_job.h',
     'browser/appcache/view_appcache_internals_job.cc',
     'browser/battery_status/battery_status_manager_android.cc',
-    'browser/battery_status/battery_status_manager_android.h',
+    'browser/battery_status/battery_status_manager_default.cc',
+    'browser/battery_status/battery_status_manager.h',
+    'browser/battery_status/battery_status_update_callback.h',
     'browser/browser_child_process_host_impl.cc',
     'browser/browser_child_process_host_impl.h',
     'browser/browser_context.cc',
     'browser/browser_ipc_logging.cc',
     'browser/browser_main.cc',
     'browser/browser_main.h',
     'browser/browser_main_loop.cc',
     'browser/browser_main_loop.h',
     'browser/browser_main_runner.cc',
     'browser/browser_plugin/browser_plugin_embedder.cc',
@@ skipping 1262 matching lines @@
       'dependencies': [
         '../media/media.gyp:media',
         'content.gyp:content_jni_headers',
       ],
       'link_settings': {
         'libraries': [
           '-ljnigraphics',
         ],
       },
       'sources/': [
+        ['exclude', '^browser/battery_status/battery_status_manager_default.cc$'],
         ['exclude', '^browser/device_sensors/data_fetcher_shared_memory_default.cc$'],
         ['exclude', '^browser/geolocation/network_location_provider\\.(cc|h)$'],
         ['exclude', '^browser/geolocation/network_location_request\\.(cc|h)$'],
         ['exclude', '^browser/tracing/tracing_ui'],
         ['exclude', '^browser/speech/'],
         ['include', '^browser/speech/speech_recognition_dispatcher_host\\.(cc|h)$'],
         ['include', '^browser/speech/speech_recognition_manager_impl\\.(cc|h)$'],
         ['include', '^browser/speech/speech_recognizer\\.h$'],
         ['include', '^browser/speech/speech_recognizer_impl_android\\.(cc|h)$'],
       ],
@@ skipping 113 matching lines @@
         '../build/linux/system.gyp:dbus',
         '../dbus/dbus.gyp:dbus',
       ],
     }, {  # OS != "linux" or use_dbus==0
       'sources!': [
         'browser/geolocation/wifi_data_provider_linux.cc',
       ],
     }],
   ],
 }