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 {
 
-CryptoData::CryptoData() : bytes_(NULL), byte_length_(0) {}
+KeyOpenSsl::KeyOpenSsl(const CryptoData& serialized_key_data)
+    : serialized_key_data_(
+          serialized_key_data.bytes(),
+          serialized_key_data.bytes() + serialized_key_data.byte_length()) {
+}
 
-CryptoData::CryptoData(const unsigned char* bytes, unsigned int byte_length)
-    : bytes_(bytes), byte_length_(byte_length) {}
+KeyOpenSsl::~KeyOpenSsl() {
+}
 
-CryptoData::CryptoData(const std::vector<unsigned char>& bytes)
-    : bytes_(bytes.size() ? &bytes[0] : NULL), byte_length_(bytes.size()) {}
+SymKeyOpenSsl* KeyOpenSsl::AsSymKey() {
+  return NULL;
+}
 
-CryptoData::CryptoData(const std::string& bytes)
-    : bytes_(bytes.size() ? reinterpret_cast<const unsigned char*>(bytes.data())
-                          : NULL),
-      byte_length_(bytes.size()) {}
+SymKeyOpenSsl::~SymKeyOpenSsl() {
+}
 
-CryptoData::CryptoData(const blink::WebVector<unsigned char>& bytes)
-    : bytes_(bytes.data()), byte_length_(bytes.size()) {}
+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