Blink-layer update to match WebAuthN spec

third_party/WebKit/Source/modules/webauth/PublicKeyCredentialRequestOptions.idl

Index: third_party/WebKit/Source/modules/webauth/PublicKeyCredentialRequestOptions.idl
diff --git a/third_party/WebKit/Source/modules/webauth/PublicKeyCredentialRequestOptions.idl b/third_party/WebKit/Source/modules/webauth/PublicKeyCredentialRequestOptions.idl
new file mode 100644
index 0000000000000000000000000000000000000000..27c59fd7cec99aa0575ccfdc756454c6ca8562e7
--- /dev/null
+++ b/third_party/WebKit/Source/modules/webauth/PublicKeyCredentialRequestOptions.idl
@@ -0,0 +1,12 @@
+// Copyright 2016 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://w3c.github.io/webauthn/#dictdef-publickeycredentialrequestoptions
+
+dictionary PublicKeyCredentialRequestOptions {
+    required BufferSource challenge;
+    unsigned long timeout;
+    USVString rpId;
+    sequence <PublicKeyCredentialDescriptor> allowList;
+};