[webcrypto] Implement structured clone of keys (chromium-side).

content/child/webcrypto/webcrypto_impl.cc

 // Copyright 2014 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/child/webcrypto/webcrypto_impl.h"
 
 #include "base/logging.h"
 #include "content/child/webcrypto/crypto_data.h"
 #include "content/child/webcrypto/shared_crypto.h"
 #include "content/child/webcrypto/webcrypto_util.h"
@@ skipping 189 matching lines @@
     const unsigned char* data,
     unsigned int data_size,
     blink::WebArrayBuffer& result) {
   blink::WebCryptoAlgorithm algorithm =
       blink::WebCryptoAlgorithm::adoptParamsAndCreate(algorithm_id, NULL);
   return (webcrypto::Digest(
               algorithm, webcrypto::CryptoData(data, data_size), &result))
       .IsSuccess();
 }
 
+bool WebCryptoImpl::deserializeKeyForClone(
+    const blink::WebCryptoKeyAlgorithm& algorithm,
+    blink::WebCryptoKeyType type,
+    bool extractable,
+    blink::WebCryptoKeyUsageMask usages,
+    const unsigned char* key_data,
+    unsigned key_data_size,
+    blink::WebCryptoKey& key) {
+  Status status = webcrypto::DeserializeKeyForClone(
+      algorithm,
+      type,
+      extractable,
+      usages,
+      webcrypto::CryptoData(key_data, key_data_size),
+      &key);
+  return status.IsSuccess();
+}
+
+bool WebCryptoImpl::serializeKeyForClone(
+    const blink::WebCryptoKey& key,
+    blink::WebVector<unsigned char>& key_data) {
+  Status status = webcrypto::SerializeKeyForClone(key, &key_data);
+  return status.IsSuccess();
+}
+
 }  // namespace content