Revert of Replace Chrome IPC with Mojo IPC for querying BatteryStatus service

device/battery/battery_status_manager_win.h

Index: device/battery/battery_status_manager_win.h
diff --git a/device/battery/battery_status_manager_win.h b/device/battery/battery_status_manager_win.h
deleted file mode 100644
index f0a8f9efa033141fdcfff0a67303206c55ffcaf6..0000000000000000000000000000000000000000
--- a/device/battery/battery_status_manager_win.h
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright 2014 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.
-
-#ifndef DEVICE_BATTERY_BATTERY_STATUS_MANAGER_WIN_H_
-#define DEVICE_BATTERY_BATTERY_STATUS_MANAGER_WIN_H_
-
-#include <windows.h>
-#include "device/battery/battery_export.h"
-#include "device/battery/battery_status.mojom.h"
-
-namespace device {
-
-enum WinACLineStatus {
-  WIN_AC_LINE_STATUS_OFFLINE = 0,
-  WIN_AC_LINE_STATUS_ONLINE = 1,
-  WIN_AC_LINE_STATUS_UNKNOWN = 255,
-};
-
-// Returns WebBatteryStatus corresponding to the given SYSTEM_POWER_STATUS.
-DEVICE_BATTERY_EXPORT BatteryStatus ComputeWebBatteryStatus(
-    const SYSTEM_POWER_STATUS& win_status);
-
-}  // namespace device
-
-#endif  // DEVICE_BATTERY_BATTERY_STATUS_MANAGER_WIN_H_