WebCrypto: Add framework for AlgorithmIdentifier normalization.

Source/modules/crypto/CryptoOperation.h

Index: Source/modules/crypto/CryptoOperation.h
diff --git a/Source/modules/crypto/WorkerCrypto.h b/Source/modules/crypto/CryptoOperation.h
similarity index 75%
copy from Source/modules/crypto/WorkerCrypto.h
copy to Source/modules/crypto/CryptoOperation.h
index 5bbb3f5d39eba918f40aab6f91439d3993547e81..001747eb26e92fdea2ca96ba41e45434ac76e314 100644
--- a/Source/modules/crypto/WorkerCrypto.h
+++ b/Source/modules/crypto/CryptoOperation.h
@@ -28,10 +28,12 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WorkerCrypto_h
-#define WorkerCrypto_h
+#ifndef CryptoOperation_h
+#define CryptoOperation_h
 
 #include "bindings/v8/ScriptWrappable.h"
+#include "modules/crypto/Algorithm.h"
+#include "public/platform/WebCryptoAlgorithm.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
@@ -40,14 +42,19 @@ namespace WebCore {
 
 typedef int ExceptionCode;
 
-class WorkerCrypto : public ScriptWrappable, public RefCounted<WorkerCrypto> {
+class CryptoOperation : public ScriptWrappable, public RefCounted<CryptoOperation> {
 public:
-    static PassRefPtr<WorkerCrypto> create() { return adoptRef(new WorkerCrypto()); }
+    static PassRefPtr<CryptoOperation> create(const WebKit::WebCryptoAlgorithm& algorithm) { return adoptRef(new CryptoOperation(algorithm)); }
+
+    Algorithm* algorithm();
 
 private:
-    WorkerCrypto();
+    explicit CryptoOperation(const WebKit::WebCryptoAlgorithm&);
+
+    WebKit::WebCryptoAlgorithm m_algorithm;
+    RefPtr<Algorithm> m_algorithmNode;
 };
 
-}
+} // namespace WebCore
 
 #endif