Refactor WebCrypto code

content/child/webcrypto/structured_clone.h

 // 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.
 
-#ifndef CONTENT_CHILD_WEBCRYPTO_JWK_H_
-#define CONTENT_CHILD_WEBCRYPTO_JWK_H_
-
-#include <vector>
+#ifndef CONTENT_CHILD_WEBCRYPTO_STRUCTURED_CLONE_H_
+#define CONTENT_CHILD_WEBCRYPTO_STRUCTURED_CLONE_H_
 
 #include "base/basictypes.h"
-#include "third_party/WebKit/public/platform/WebArrayBuffer.h"
 #include "third_party/WebKit/public/platform/WebCrypto.h"
-#include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
 
 namespace content {
 
 namespace webcrypto {
 
 class CryptoData;
-class Status;
 
-Status ImportKeyJwk(const CryptoData& key_data,
-                    const blink::WebCryptoAlgorithm& algorithm,
-                    bool extractable,
-                    blink::WebCryptoKeyUsageMask usage_mask,
-                    blink::WebCryptoKey* key);
+// Called on the target Blink thread.
+bool SerializeKeyForClone(const blink::WebCryptoKey& key,
+                          blink::WebVector<uint8>* key_data);
 
-Status ExportKeyJwk(const blink::WebCryptoKey& key, std::vector<uint8>* buffer);
+// Called on the target Blink thread.
+bool DeserializeKeyForClone(const blink::WebCryptoKeyAlgorithm& algorithm,
+                            blink::WebCryptoKeyType type,
+                            bool extractable,
+                            blink::WebCryptoKeyUsageMask usage_mask,
+                            const CryptoData& key_data,
+                            blink::WebCryptoKey* key);
 
 }  // namespace webcrypto
 
 }  // namespace content
 
-#endif  // CONTENT_CHILD_WEBCRYPTO_JWK_H_
+#endif  // CONTENT_CHILD_WEBCRYPTO_STRUCTURED_CLONE_H_