Implement device::BatteryStatus support for UPower daemon 0.99.x

device/device_tests.gyp

Index: device/device_tests.gyp
diff --git a/device/device_tests.gyp b/device/device_tests.gyp
index 92c57f7fe07138285cf93cdb3c54469bdf6278cd..b21aee475b36c114cbda123625767d701ba60a9a 100644
--- a/device/device_tests.gyp
+++ b/device/device_tests.gyp
@@ -186,7 +186,11 @@
             ['exclude', '^hid/'],
           ],
         }],
-        ['use_dbus==0', {
+        ['OS=="linux" and use_dbus==1', {
+          'dependencies': [
+            '../dbus/dbus.gyp:dbus_test_support',
+          ],
+        }, {  # OS != "linux" or use_dbus==0
           'sources!': [
             'battery/battery_status_manager_linux_unittest.cc',
           ],