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

modules/webusb/USBOutTransferResult.idl

Index: modules/webusb/USBOutTransferResult.idl
diff --git a/modules/webusb/USBOutTransferResult.idl b/modules/webusb/USBOutTransferResult.idl
new file mode 100644
index 0000000000000000000000000000000000000000..b43587af67898dc52761743e4714de2cf905d758
--- /dev/null
+++ b/modules/webusb/USBOutTransferResult.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-usbouttransferresult
+
+[
+    GarbageCollected,
+    RuntimeEnabled=WebUSB,
+] interface USBOutTransferResult {
+    readonly attribute unsigned long bytesWritten;
+    readonly attribute USBTransferStatus status;
+};