Add WebAuthn bindings and client interface.

third_party/WebKit/Source/modules/webauth/ScopedCredentialInfo.h

Index: third_party/WebKit/Source/modules/webauth/ScopedCredentialInfo.h
diff --git a/third_party/WebKit/Source/modules/webauth/ScopedCredentialInfo.h b/third_party/WebKit/Source/modules/webauth/ScopedCredentialInfo.h
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index 0000000000000000000000000000000000000000..6291e32cc88931ae11e962caf207d3427a0d6ece
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+++ b/third_party/WebKit/Source/modules/webauth/ScopedCredentialInfo.h
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+// 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.
+
+#ifndef ScopedCredentialInfo_h
+#define ScopedCredentialInfo_h
+
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "core/dom/DOMArrayBuffer.h"
+
+namespace blink {
+
+class ScopedCredentialInfo final
+    : public GarbageCollectedFinalized<ScopedCredentialInfo>,
+      public ScriptWrappable {
+  DEFINE_WRAPPERTYPEINFO();
+
+ public:
+  static ScopedCredentialInfo* create(DOMArrayBuffer* clientData,
+                                      DOMArrayBuffer* attestation) {
+    return new ScopedCredentialInfo(clientData, attestation);
+  }
+
+  ScopedCredentialInfo(DOMArrayBuffer* clientData, DOMArrayBuffer* attestation)
+      : m_clientData(clientData), m_attestation(attestation) {}
+
+  virtual ~ScopedCredentialInfo() {}
+
+  DOMArrayBuffer* clientData() const { return m_clientData.get(); }
+  DOMArrayBuffer* attestation() const { return m_attestation.get(); }
+
+  DEFINE_INLINE_TRACE() {
+    visitor->trace(m_clientData);
+    visitor->trace(m_attestation);
+  }
+
+ private:
+  const Member<DOMArrayBuffer> m_clientData;
+  const Member<DOMArrayBuffer> m_attestation;
+};
+
+}  // namespace blink
+
+#endif  // ScopedCredentialInfo_h