WebCrypto: Add framework for AlgorithmIdentifier normalization.

Source/modules/crypto/Algorithm.h

Index: Source/modules/crypto/Algorithm.h
diff --git a/Source/modules/crypto/WorkerCrypto.h b/Source/modules/crypto/Algorithm.h
similarity index 75%
copy from Source/modules/crypto/WorkerCrypto.h
copy to Source/modules/crypto/Algorithm.h
index 5bbb3f5d39eba918f40aab6f91439d3993547e81..17bfc7f366479ce2eac3dd57abc1fd24b4ee4066 100644
--- a/Source/modules/crypto/WorkerCrypto.h
+++ b/Source/modules/crypto/Algorithm.h
@@ -28,10 +28,11 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WorkerCrypto_h
-#define WorkerCrypto_h
+#ifndef Algorithm_h
+#define Algorithm_h
 
 #include "bindings/v8/ScriptWrappable.h"
+#include "public/platform/WebCryptoAlgorithm.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
@@ -40,14 +41,21 @@ namespace WebCore {
 
 typedef int ExceptionCode;
 
-class WorkerCrypto : public ScriptWrappable, public RefCounted<WorkerCrypto> {
+class Algorithm : public ScriptWrappable, public RefCounted<Algorithm> {
 public:
-    static PassRefPtr<WorkerCrypto> create() { return adoptRef(new WorkerCrypto()); }
+    static PassRefPtr<Algorithm> create(const WebKit::WebCryptoAlgorithm& algorithm) { return adoptRef(new Algorithm(algorithm)); }
 
-private:
-    WorkerCrypto();
+    const String& name();
+
+    WebKit::WebCryptoAlgorithmParamsType type() const { return m_algorithm.paramsType(); }
+
+protected:
+    explicit Algorithm(const WebKit::WebCryptoAlgorithm&);
+
+    const WebKit::WebCryptoAlgorithm m_algorithm;
+    String m_name;
 };
 
-}
+} // namespace WebCore
 
 #endif