Expose WebCrypto's algorithm normalization.

Source/modules/crypto/CryptoResultImpl.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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef CryptoResultImpl_h
 #define CryptoResultImpl_h
 
 #include "bindings/v8/ScriptPromise.h"
+#include "core/dom/ExceptionCode.h"
 #include "platform/CryptoResult.h"
 #include "public/platform/WebCrypto.h"
 #include "wtf/Forward.h"
 #include "wtf/WeakPtr.h"
 
 namespace WebCore {
 
+ExceptionCode toExceptionCode(blink::WebCryptoErrorType);

[pneubeck (no reviews), 2014/05/29 12:52:56]

should likely be renamed to webCryptoErrorToExceptionCode

+
 // Wrapper around a Promise to notify completion of the crypto operation.
 //
 // The thread on which CryptoResultImpl was created on is referred to as the
 // "origin thread".
 //
 //  * At creation time there must be an active ExecutionContext.
 //  * The CryptoResult interface must only be called from the origin thread.
 //  * addref() and deref() can be called from any thread.
 //  * One of the completeWith***() functions must be called, or the
 //    PromiseState will be leaked until the ExecutionContext is destroyed.
@@ skipping 15 matching lines @@
 private:
     explicit CryptoResultImpl(ExecutionContext*);
 
     class PromiseState;
     WeakPtr<PromiseState> m_promiseState;
 };
 
 } // namespace WebCore
 
 #endif