Cleanup: Rename NumberOfAlgorithmOperations --> LastAlgorithmOperation.

Source/modules/crypto/NormalizeAlgorithm.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 34 matching lines @@
     Encrypt,
     Decrypt,
     Sign,
     Verify,
     Digest,
     GenerateKey,
     ImportKey,
     DeriveKey,
     WrapKey,
     UnwrapKey,
-    // <---- End of list
-    NumberOfAlgorithmOperations,
+    // <---- End of list (keep this up-to-date)
+    LastAlgorithmOperation = UnwrapKey,
 };
 
 // Normalizes an algorithm identifier (dictionary) into a WebCryptoAlgorithm. If
 // normalization fails then returns false and sets the ExceptionState.
 bool normalizeAlgorithm(const Dictionary&, AlgorithmOperation, blink::WebCryptoAlgorithm&, ExceptionState&) WARN_UNUSED_RETURN;
 
 // Returns a null-terminated C-string literal. Caller can assume the pointer
 // will be valid for the program's entire runtime.
 const char* algorithmIdToName(blink::WebCryptoAlgorithmId);
 
 } // namespace WebCore
 
 #endif