Battery Status API: implementation for Windows.

content/browser/battery_status/battery_status_manager_win.h

+// 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 CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_WIN_H_
+#define CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_WIN_H_
+
+#include <windows.h>
+#include "content/common/content_export.h"
+#include "third_party/WebKit/public/platform/WebBatteryStatus.h"
+
+namespace content {
+
+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.
+CONTENT_EXPORT blink::WebBatteryStatus ComputeWebBatteryStatus(
+    const SYSTEM_POWER_STATUS& win_status);
+
+}  // namespace content
+
+#endif  // CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_WIN_H_