WebCrypto: Implement digest() using NSS

content/renderer/webcrypto_impl.cc

-// 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.
-
-#include "content/renderer/webcrypto_impl.h"
-
-#include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h"
-
-namespace content {
-
-WebKit::WebCryptoOperation* WebCryptoImpl::digest(
-    const WebKit::WebCryptoAlgorithm& algorithm) {
-  switch (algorithm.id()) {
-    case WebKit::WebCryptoAlgorithmIdSha1:
-    case WebKit::WebCryptoAlgorithmIdSha224:
-    case WebKit::WebCryptoAlgorithmIdSha256:
-    case WebKit::WebCryptoAlgorithmIdSha384:
-    case WebKit::WebCryptoAlgorithmIdSha512:
-      // TODO(eroman): Implement.
-      return NULL;
-    default:
-      // Not a digest algorithm.
-      return NULL;
-  }
-}
-
-}  // namespace content