Expose WebCrypto's lookupAlgorithmInfo.

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 19 matching lines @@
 
 #ifndef NormalizeAlgorithm_h
 #define NormalizeAlgorithm_h
 
 #include "public/platform/WebCrypto.h"
 #include "public/platform/WebCryptoAlgorithm.h"
 #include "public/platform/WebString.h"
 #include "wtf/Assertions.h"
 #include "wtf/Forward.h"
 
-namespace blink { class WebCryptoAlgorithm; }
-
 namespace WebCore {
 
 class Dictionary;
 
 struct AlgorithmError {
     blink::WebCryptoErrorType errorType;
     blink::WebString errorDetails;
 };
 
 // Converts a javascript Dictionary to a WebCryptoAlgorithm object.
 //
 // This corresponds with "normalizing" [1] the algorithm, and then validating
 // the expected parameters for the algorithm/operation combination.
 //
 // On success returns true and sets the WebCryptoAlgorithm.
 //
 // On failure normalizeAlgorithm returns false and sets the AlgorithmError with
 // a error type and a (non-localized) debug string.
 //
 // [1] http://www.w3.org/TR/WebCryptoAPI/#algorithm-normalizing-rules
 bool normalizeAlgorithm(const Dictionary&, blink::WebCryptoOperation, blink::WebCryptoAlgorithm&, AlgorithmError*) 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