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

modules/background_sync/PeriodicSyncRegistration.idl

Index: modules/background_sync/PeriodicSyncRegistration.idl
diff --git a/modules/background_sync/PeriodicSyncRegistration.idl b/modules/background_sync/PeriodicSyncRegistration.idl
deleted file mode 100644
index 4cc19f630dd78a048d7d0d2dd18b015c117c88de..0000000000000000000000000000000000000000
--- a/modules/background_sync/PeriodicSyncRegistration.idl
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright 2015 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.
-
-enum SyncNetworkState {
-  "any",
-  "avoid-cellular",
-  "online"
-};
-
-enum SyncPowerState {
-  "auto",
-  "avoid-draining"
-};
-
-[
-    Exposed=(Window,ServiceWorker),
-    GarbageCollected,
-    RuntimeEnabled=BackgroundSync,
-] interface PeriodicSyncRegistration {
-    [RuntimeEnabled=BackgroundSyncV2] readonly attribute DOMString tag;
-    [RuntimeEnabled=BackgroundSyncV2] readonly attribute unsigned long minPeriod;
-    [RuntimeEnabled=BackgroundSyncV2] readonly attribute SyncNetworkState networkState;
-    [RuntimeEnabled=BackgroundSyncV2] readonly attribute SyncPowerState powerState;
-    [CallWith=ScriptState] Promise<boolean> unregister();
-};