Refactor WebCrypto code

content/child/webcrypto/nss/sym_key_nss.h

Index: content/child/webcrypto/nss/sym_key_nss.h
diff --git a/content/child/webcrypto/nss/sym_key_nss.h b/content/child/webcrypto/nss/sym_key_nss.h
new file mode 100644
index 0000000000000000000000000000000000000000..d6c1fe4d95e8d08f2a31afe907de01173c602e6b
--- /dev/null
+++ b/content/child/webcrypto/nss/sym_key_nss.h
@@ -0,0 +1,38 @@
+// 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_NSS_SYM_KEY_NSS_H_
+#define CONTENT_CHILD_WEBCRYPTO_NSS_SYM_KEY_NSS_H_
+
+#include <pkcs11t.h>
+
+#include "third_party/WebKit/public/platform/WebCrypto.h"
+
+namespace content {
+
+namespace webcrypto {
+
+class CryptoData;
+class Status;
+
+Status GenerateSecretKeyNss(const blink::WebCryptoKeyAlgorithm& algorithm,
+                            bool extractable,
+                            blink::WebCryptoKeyUsageMask usage_mask,
+                            unsigned keylen_bytes,
+                            CK_MECHANISM_TYPE mechanism,
+                            blink::WebCryptoKey* key);
+
+Status ImportKeyRawNss(const CryptoData& key_data,
+                       const blink::WebCryptoKeyAlgorithm& algorithm,
+                       bool extractable,
+                       blink::WebCryptoKeyUsageMask usage_mask,
+                       CK_MECHANISM_TYPE mechanism,
+                       CK_FLAGS flags,
+                       blink::WebCryptoKey* key);
+
+}  // namespace webcrypto
+
+}  // namespace content
+
+#endif  // CONTENT_CHILD_WEBCRYPTO_NSS_SYM_KEY_NSS_H_