Revert of Migrates battery_status from content/renderer/ to WebKit/platform/

content/renderer/battery_status/battery_status_dispatcher.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 CONTENT_RENDERER_BATTERY_STATUS_BATTERY_STATUS_DISPATCHER_H_
+#define CONTENT_RENDERER_BATTERY_STATUS_BATTERY_STATUS_DISPATCHER_H_
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "content/common/content_export.h"
+#include "device/battery/battery_monitor.mojom.h"
+
+namespace blink {
+class WebBatteryStatusListener;
+}
+
+namespace content {
+
+class CONTENT_EXPORT BatteryStatusDispatcher {
+ public:
+  explicit BatteryStatusDispatcher(blink::WebBatteryStatusListener* listener);
+  ~BatteryStatusDispatcher();
+
+ private:
+  friend class BatteryStatusDispatcherTest;
+
+  void QueryNextStatus();
+  void DidChange(device::BatteryStatusPtr battery_status);
+
+  device::BatteryMonitorPtr monitor_;
+  blink::WebBatteryStatusListener* listener_;
+
+  DISALLOW_COPY_AND_ASSIGN(BatteryStatusDispatcher);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_BATTERY_STATUS_BATTERY_STATUS_DISPATCHER_H_