Expose WebCrypto's algorithm normalization.

public/platform/WebCryptoAlgorithm.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
 
 #include "WebCommon.h"
 #include "WebPrivatePtr.h"
 
 #if INSIDE_BLINK
 #include "wtf/PassOwnPtr.h"
 #endif
 
 namespace blink {
 
+enum WebCryptoOperation {
+    WebCryptoOperationEncrypt,
+    WebCryptoOperationDecrypt,
+    WebCryptoOperationSign,
+    WebCryptoOperationVerify,
+    WebCryptoOperationDigest,
+    WebCryptoOperationGenerateKey,
+    WebCryptoOperationImportKey,
+    WebCryptoOperationDeriveKey,
+    WebCryptoOperationDeriveBits,
+    WebCryptoOperationWrapKey,
+    WebCryptoOperationUnwrapKey,
+    WebCryptoOperationLast = WebCryptoOperationUnwrapKey,
+};
+
 enum WebCryptoAlgorithmId {
     WebCryptoAlgorithmIdAesCbc,
     WebCryptoAlgorithmIdHmac,
     WebCryptoAlgorithmIdRsaSsaPkcs1v1_5,
     WebCryptoAlgorithmIdSha1,
     WebCryptoAlgorithmIdSha256,
     WebCryptoAlgorithmIdSha384,
     WebCryptoAlgorithmIdSha512,
     WebCryptoAlgorithmIdAesGcm,
     WebCryptoAlgorithmIdRsaOaep,
@@ skipping 80 matching lines @@
 private:
     BLINK_PLATFORM_EXPORT void assign(const WebCryptoAlgorithm& other);
     BLINK_PLATFORM_EXPORT void reset();
 
     WebPrivatePtr<WebCryptoAlgorithmPrivate> m_private;
 };
 
 } // namespace blink
 
 #endif