Roll 50: Copied IDLs, PYTHON scripts from WebKit removed deleted files in WebCore

modules/battery/testing/InternalsBattery.idl

Index: modules/battery/testing/InternalsBattery.idl
diff --git a/modules/battery/testing/InternalsBattery.idl b/modules/battery/testing/InternalsBattery.idl
new file mode 100644
index 0000000000000000000000000000000000000000..69256c9749459770be718a1faab67a7646c3134b
--- /dev/null
+++ b/modules/battery/testing/InternalsBattery.idl
@@ -0,0 +1,9 @@
+// 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.
+
+// TODO(yukishiino): Remove this API once JS bindings of Mojo services get
+// available.
+partial interface Internals {
+    void updateBatteryStatus(boolean charging, float chargingTime, float dischargingTime, float level);
+};