Add chromium side implementation of WebKit::WebCrypto.

content/renderer/webcrypto_impl.h

+// Copyright (c) 2013 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 CONTENT_RENDERER_WEBCRYPTO_IMPL_H_
+#define CONTENT_RENDERER_WEBCRYPTO_IMPL_H_
+
+#include "base/compiler_specific.h"
+
+#include "third_party/WebKit/public/platform/WebCrypto.h"
+
+namespace content {
+
+class WebCryptoImpl : public WebKit::WebCrypto {
+ public:
+  virtual WebKit::WebCryptoOperation* digest(
+      const WebKit::WebCryptoAlgorithm&) OVERRIDE;

[jamesr, 2013/07/17 00:48:11]

this is chromium code, so it should follow chromium style and name all
parameters

[eroman, 2013/07/17 01:23:23]

Done.

+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_WEBCRYPTO_IMPL_H_