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

device/BUILD.gn

 # Copyright 2015 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.
 
 import("//build/config/features.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")  # For generate_jni().
 }
 
 if (is_mac) {
   import("//build/config/mac/mac_sdk.gni")
 }
 
 is_linux_without_udev = is_linux && !use_udev
-is_linux_without_dbus = is_linux && !use_dbus
 
 test("device_unittests") {
   sources = [
     "battery/battery_status_manager_win_unittest.cc",
     "battery/battery_status_service_unittest.cc",
     "bluetooth/bluetooth_adapter_mac_unittest.mm",
     "bluetooth/bluetooth_adapter_unittest.cc",
     "bluetooth/bluetooth_adapter_win_unittest.cc",
     "bluetooth/bluetooth_advertisement_unittest.cc",
     "bluetooth/bluetooth_device_unittest.cc",
@@ skipping 48 matching lines @@
     "//mojo/common",
     "//mojo/edk/system",
     "//mojo/public/cpp/bindings",
     "//net",
     "//testing/gmock",
     "//testing/gtest",
     "//tools/usb_gadget",
     "//url",
   ]
 
-  if (!is_linux_without_dbus && !is_chromeos) {
+  if (is_linux && !is_chromeos && use_dbus) {
     sources += [ "battery/battery_status_manager_linux_unittest.cc" ]
+    deps += [ "//dbus:test_support" ]
   }
 
   # HID and Serial:
   # Android doesn't compile.
   # Linux, requires udev.
   if (!is_linux_without_udev && !is_android) {
     sources += [
       "hid/hid_connection_unittest.cc",
       "hid/hid_device_filter_unittest.cc",
       "hid/hid_report_descriptor_unittest.cc",
@@ skipping 126 matching lines @@
   }
 
   android_library("bluetooth_test_java") {
     java_files = bluetooth_java_sources_needing_jni
     deps = [
       "//base:base_java",
       "//device/bluetooth:java",
     ]
   }
 }