WebCrypto: Add the KeyPair interface.

Source/modules/crypto/KeyPair.h

Index: Source/modules/crypto/KeyPair.h
diff --git a/Source/modules/crypto/Algorithm.h b/Source/modules/crypto/KeyPair.h
similarity index 76%
copy from Source/modules/crypto/Algorithm.h
copy to Source/modules/crypto/KeyPair.h
index 5a201b96ce51282e3a3ed882009617d175485d7c..ce20fd3c24b391ab74433f6bd17d4ed8293d9db7 100644
--- a/Source/modules/crypto/Algorithm.h
+++ b/Source/modules/crypto/KeyPair.h
@@ -28,29 +28,32 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef Algorithm_h
-#define Algorithm_h
+#ifndef KeyPair_h
+#define KeyPair_h
 
 #include "bindings/v8/ScriptWrappable.h"
-#include "public/platform/WebCryptoAlgorithm.h"
 #include "wtf/Forward.h"
-#include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
+#include "wtf/RefPtr.h"
+
+namespace WebKit { class WebCryptoKey; }
 
 namespace WebCore {
 
-class Algorithm : public ScriptWrappable, public RefCounted<Algorithm> {
-public:
-    static PassRefPtr<Algorithm> create(const WebKit::WebCryptoAlgorithm&);
+class Key;
 
-    String name();
+class KeyPair : public ScriptWrappable, public RefCounted<KeyPair> {
+public:
+    static PassRefPtr<KeyPair> create(const WebKit::WebCryptoKey& publicKey, const WebKit::WebCryptoKey& privateKey);
 
-    WebKit::WebCryptoAlgorithmParamsType type() const { return m_algorithm.paramsType(); }
+    Key* publicKey() { return m_publicKey.get(); }
+    Key* privateKey() { return m_privateKey.get(); }
 
 protected:
-    explicit Algorithm(const WebKit::WebCryptoAlgorithm&);
+    KeyPair(const PassRefPtr<Key>& publicKey, const PassRefPtr<Key>& privateKey);
 
-    const WebKit::WebCryptoAlgorithm m_algorithm;
+    RefPtr<Key> m_publicKey;
+    RefPtr<Key> m_privateKey;
 };
 
 } // namespace WebCore