Refactor WebCrypto code

content/child/webcrypto/openssl/key_openssl.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/openssl/key_openssl.h"
+
+#include "content/child/webcrypto/crypto_data.h"
+#include "content/child/webcrypto/status.h"
+#include "content/child/webcrypto/webcrypto_util.h"
+
+namespace content {
+
+namespace webcrypto {
+
+KeyOpenSsl::KeyOpenSsl(const CryptoData& serialized_key_data)
+    : serialized_key_data_(
+          serialized_key_data.bytes(),
+          serialized_key_data.bytes() + serialized_key_data.byte_length()) {
+}
+
+KeyOpenSsl::~KeyOpenSsl() {
+}
+
+SymKeyOpenSsl* KeyOpenSsl::AsSymKey() {
+  return NULL;
+}
+
+SymKeyOpenSsl::~SymKeyOpenSsl() {
+}
+
+SymKeyOpenSsl* SymKeyOpenSsl::Cast(const blink::WebCryptoKey& key) {
+  KeyOpenSsl* platform_key = reinterpret_cast<KeyOpenSsl*>(key.handle());
+  return platform_key->AsSymKey();
+}
+
+SymKeyOpenSsl* SymKeyOpenSsl::AsSymKey() {
+  return this;
+}
+
+SymKeyOpenSsl::SymKeyOpenSsl(const CryptoData& raw_key_data)
+    : KeyOpenSsl(raw_key_data) {
+}
+
+bool PlatformSerializeKeyForClone(const blink::WebCryptoKey& key,
+                                  blink::WebVector<uint8>* key_data) {
+  const KeyOpenSsl* openssl_key = static_cast<KeyOpenSsl*>(key.handle());
+  *key_data = openssl_key->serialized_key_data();
+  return true;
+}
+
+}  // namespace webcrypto
+
+}  // namespace content