Revert of Change the battery-status layout tests to use JS mocks.

third_party/WebKit/Source/modules/battery/testing/InternalsBattery.h

Index: third_party/WebKit/Source/modules/battery/testing/InternalsBattery.h
diff --git a/third_party/WebKit/Source/modules/battery/testing/InternalsBattery.h b/third_party/WebKit/Source/modules/battery/testing/InternalsBattery.h
new file mode 100644
index 0000000000000000000000000000000000000000..b4298640caa45fd5ce598469d21f7915b78cfb05
--- /dev/null
+++ b/third_party/WebKit/Source/modules/battery/testing/InternalsBattery.h
@@ -0,0 +1,25 @@
+// Copyright 2016 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 InternalsBattery_h
+#define InternalsBattery_h
+
+#include "wtf/Allocator.h"
+
+namespace blink {
+
+class Internals;
+
+// TODO(yukishiino): Remove this API once JS bindings of Mojo services get
+// available.
+class InternalsBattery {
+    STATIC_ONLY(InternalsBattery);
+
+public:
+    static void updateBatteryStatus(Internals&, bool charging, double chargingTime, double dischargingTime, double level);
+};
+
+} // namespace blink
+
+#endif // InternalsBattery_h