Add WebAuthn bindings and client interface.

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

Index: third_party/WebKit/Source/modules/webauth/AssertionOptions.idl
diff --git a/third_party/WebKit/Source/modules/webauth/AssertionOptions.idl b/third_party/WebKit/Source/modules/webauth/AssertionOptions.idl
new file mode 100644
index 0000000000000000000000000000000000000000..de748cabdb2a02707b51abd38dc0261b572bbc0a
--- /dev/null
+++ b/third_party/WebKit/Source/modules/webauth/AssertionOptions.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-assertionoptions
+
+dictionary AssertionOptions {

[esprehn, 2017/01/19 01:58:59]

This is still too generically named btw.

"Assertion" could mean anything in any spec.

[kpaulhamus, 2017/01/19 23:25:34]

K, I'll call it AuthenticationAssertionOptions for now and talk with the working
group.

+    unsigned long timeoutSeconds;
+    USVString rpId;
+    sequence <ScopedCredentialDescriptor> allowList;
+    AuthenticationExtensions extensions;
+};