Battery Status API: implementation for Linux.

content/browser/battery_status/battery_status_manager_linux.h

Index: content/browser/battery_status/battery_status_manager_linux.h
diff --git a/content/browser/battery_status/battery_status_manager_linux.h b/content/browser/battery_status/battery_status_manager_linux.h
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+++ b/content/browser/battery_status/battery_status_manager_linux.h
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+// 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_LINUX_H_
+#define CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_LINUX_H_
+
+#include "content/common/content_export.h"
+#include "third_party/WebKit/public/platform/WebBatteryStatus.h"
+
+namespace base {
+class DictionaryValue;
+}
+
+namespace content {
+
+// UPowerDeviceState reflects the possible UPower.Device.State values,
+// see upower.freedesktop.org/docs/Device.html#Device:State.
+enum UPowerDeviceState {
+  UPOWER_DEVICE_STATE_UNKNOWN = 0,
+  UPOWER_DEVICE_STATE_CHARGING = 1,
+  UPOWER_DEVICE_STATE_DISCHARGING = 2,
+  UPOWER_DEVICE_STATE_EMPTY = 3,
+  UPOWER_DEVICE_STATE_FULL = 4,
+  UPOWER_DEVICE_STATE_PENDING_CHARGE = 5,
+  UPOWER_DEVICE_STATE_PENDING_DISCHARGE = 6,
+};
+
+// Returns the WebBatteryStatus computed using the provided dictionary.
+CONTENT_EXPORT blink::WebBatteryStatus ComputeWebBatteryStatus(
+    const base::DictionaryValue& dictionary);
+
+}  // namespace content
+
+#endif  // CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_LINUX_H_