More tweaks to <script nonce> hiding.

third_party/WebKit/Source/core/dom/NoncedElement.idl

Index: third_party/WebKit/Source/core/dom/NoncedElement.idl
diff --git a/third_party/WebKit/Source/core/dom/NoncedElement.idl b/third_party/WebKit/Source/core/dom/NoncedElement.idl
new file mode 100644
index 0000000000000000000000000000000000000000..685aa578a28089f33df9c9657542a6f01ccc0214
--- /dev/null
+++ b/third_party/WebKit/Source/core/dom/NoncedElement.idl
@@ -0,0 +1,13 @@
+// Copyright 2017 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.
+
+// https://github.com/whatwg/html/pull/2373/
+//
+// TODO(mkwst): Update the link iff this lands.
+
+[
+    NoInterfaceObject
+] interface NoncedElement {
+    [CEReactions, RuntimeEnabled=ExperimentalContentSecurityPolicyFeatures] attribute DOMString nonce;
+};