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

third_party/WebKit/Source/platform/battery/BatteryStatusListener.h

Index: third_party/WebKit/Source/platform/battery/BatteryStatusListener.h
diff --git a/third_party/WebKit/Source/platform/battery/BatteryStatusListener.h b/third_party/WebKit/Source/platform/battery/BatteryStatusListener.h
new file mode 100644
index 0000000000000000000000000000000000000000..c87e33e1b9377122ecc50d92121b9781eaed040c
--- /dev/null
+++ b/third_party/WebKit/Source/platform/battery/BatteryStatusListener.h
@@ -0,0 +1,24 @@
+// 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 BatteryStatusListener_h
+#define BatteryStatusListener_h
+
+#include "platform/PlatformExport.h"
+
+namespace blink {
+
+class BatteryStatus;
+
+class PLATFORM_EXPORT BatteryStatusListener {
+public:
+    // This method is called when a new battery status is available.
+    virtual void onUpdateBatteryStatus(const BatteryStatus&) = 0;
+
+    virtual ~BatteryStatusListener() { }
+};
+
+} // namespace blink
+
+#endif // BatteryStatusListener_h