WebCrypto: Add framework for AlgorithmIdentifier normalization.

Source/modules/crypto/AesCbcParams.h

Index: Source/modules/crypto/AesCbcParams.h
diff --git a/Source/modules/crypto/WorkerCrypto.h b/Source/modules/crypto/AesCbcParams.h
similarity index 79%
copy from Source/modules/crypto/WorkerCrypto.h
copy to Source/modules/crypto/AesCbcParams.h
index 5bbb3f5d39eba918f40aab6f91439d3993547e81..b3856bec33697fe4687eb1cf01b3ce0217522a63 100644
--- a/Source/modules/crypto/WorkerCrypto.h
+++ b/Source/modules/crypto/AesCbcParams.h
@@ -28,26 +28,28 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WorkerCrypto_h
-#define WorkerCrypto_h
+#ifndef AesCbcParams_h
+#define AesCbcParams_h
 
-#include "bindings/v8/ScriptWrappable.h"
-#include "wtf/Forward.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
+#include "modules/crypto/Algorithm.h"
+#include "wtf/Uint8Array.h"
 
 namespace WebCore {
 
 typedef int ExceptionCode;
 
-class WorkerCrypto : public ScriptWrappable, public RefCounted<WorkerCrypto> {
+class AesCbcParams : public Algorithm {
 public:
-    static PassRefPtr<WorkerCrypto> create() { return adoptRef(new WorkerCrypto()); }
+    static PassRefPtr<AesCbcParams> create(const WebKit::WebCryptoAlgorithm& algorithm) { return adoptRef(new AesCbcParams(algorithm)); }
+
+    Uint8Array* iv();
 
 private:
-    WorkerCrypto();
+    explicit AesCbcParams(const WebKit::WebCryptoAlgorithm&);
+
+    RefPtr<Uint8Array> m_iv;
 };
 
-}
+} // namespace WebCore
 
 #endif