WebCrypto: Add framework for AlgorithmIdentifier normalization.

Source/modules/crypto/Algorithm.cpp

 /*
  * 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 11 matching lines @@
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * 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.
  */
 
 #include "config.h"
-#include "modules/crypto/WorkerCrypto.h"
+#include "modules/crypto/Algorithm.h"
 
 namespace WebCore {
 
-WorkerCrypto::WorkerCrypto()
+Algorithm::Algorithm(const WebKit::WebCryptoAlgorithm& algorithm)
+    : m_algorithm(algorithm)
 {
     ScriptWrappable::init(this);
 }
 
+const String& Algorithm::name()
+{
+    if (m_name.isNull())
+        m_name = m_algorithm.algorithmName();
+    return m_name;
 }
+
+} // namespace WebCore