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

modules/webusb/USBDeviceRequestOptions.idl

Index: modules/webusb/USBDeviceRequestOptions.idl
diff --git a/modules/background_sync/PeriodicSyncEventInit.idl b/modules/webusb/USBDeviceRequestOptions.idl
similarity index 55%
rename from modules/background_sync/PeriodicSyncEventInit.idl
rename to modules/webusb/USBDeviceRequestOptions.idl
index 60d2b728b8a9eea69f187c8524845b5210a8c763..eea3c39c19ff8f6ca85406fc0894609bb3021051 100644
--- a/modules/background_sync/PeriodicSyncEventInit.idl
+++ b/modules/webusb/USBDeviceRequestOptions.idl
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-dictionary PeriodicSyncEventInit : ExtendableEventInit {
-    required PeriodicSyncRegistration registration;
+// http://wicg.github.io/webusb/#device-enumeration
+
+dictionary USBDeviceRequestOptions {
+    required sequence<USBDeviceFilter> filters;
 };