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

modules/webusb/USBInTransferResult.idl

Index: modules/webusb/USBInTransferResult.idl
diff --git a/modules/webusb/USBInTransferResult.idl b/modules/webusb/USBInTransferResult.idl
new file mode 100644
index 0000000000000000000000000000000000000000..2251b1df015d3d5d654ef678734d4096ee0618c7
--- /dev/null
+++ b/modules/webusb/USBInTransferResult.idl
@@ -0,0 +1,13 @@
+// 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.
+
+// http://wicg.github.io/webusb/#idl-def-usbintransferresult
+
+[
+    GarbageCollected,
+    RuntimeEnabled=WebUSB,
+] interface USBInTransferResult {
+    readonly attribute DataView data;
+    readonly attribute USBTransferStatus status;
+};