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

third_party/WebKit/Source/platform/battery/BatteryStatusDispatcher.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 BatteryStatusDispatcher_h
+#define BatteryStatusDispatcher_h
+
+#include "device/battery/battery_monitor.mojom.h"
+#include "platform/PlatformExport.h"
+#include "wtf/Noncopyable.h"
+
+namespace blink {
+
+class BatteryStatusListener;
+
+class PLATFORM_EXPORT BatteryStatusDispatcher {
+    WTF_MAKE_NONCOPYABLE(BatteryStatusDispatcher);
+public:
+    explicit BatteryStatusDispatcher(BatteryStatusListener*);
+    ~BatteryStatusDispatcher();
+
+private:
+    void queryNextStatus();
+    void onDidChange(device::BatteryStatusPtr);
+
+    device::BatteryMonitorPtr m_monitor;
+    BatteryStatusListener* m_listener;
+
+    friend class BatteryStatusDispatcherTest;
+};
+
+} // namespace blink
+
+#endif // BatteryStatusDispatcher_h