[webcrypto] Add the KeyAlgorithm interface.

Source/modules/crypto/RsaKeyAlgorithm.h

Index: Source/modules/crypto/RsaKeyAlgorithm.h
diff --git a/Source/modules/serviceworkers/InstallPhaseEvent.h b/Source/modules/crypto/RsaKeyAlgorithm.h
similarity index 76%
copy from Source/modules/serviceworkers/InstallPhaseEvent.h
copy to Source/modules/crypto/RsaKeyAlgorithm.h
index 5b269ad082ee008dbba491121589076a799daa11..1aef72007964827a83d8bdb91dad5760ebb6794a 100644
--- a/Source/modules/serviceworkers/InstallPhaseEvent.h
+++ b/Source/modules/crypto/RsaKeyAlgorithm.h
@@ -28,33 +28,33 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef InstallPhaseEvent_h
-#define InstallPhaseEvent_h
+#ifndef RsaKeyAlgorithm_h
+#define RsaKeyAlgorithm_h
 
-#include "bindings/v8/ScriptValue.h"
-#include "core/events/Event.h"
+#include "modules/crypto/KeyAlgorithm.h"
 
 namespace WebCore {
 
-class WaitUntilObserver;
-
-class InstallPhaseEvent : public Event {
+class RsaKeyAlgorithm : public KeyAlgorithm {
 public:
-    static PassRefPtr<InstallPhaseEvent> create();
+    ~RsaKeyAlgorithm();
 
-    virtual ~InstallPhaseEvent();
+    static PassRefPtrWillBeRawPtr<RsaKeyAlgorithm> create(const blink::WebCryptoKeyAlgorithm&);
 
-    void waitUntil(const ScriptValue&);
+    unsigned modulusLength();
+    Uint8Array* publicExponent();
 
     virtual void trace(Visitor*) OVERRIDE;
 
 protected:
-    InstallPhaseEvent();
-    InstallPhaseEvent(const AtomicString& type, const EventInit&, PassRefPtr<WaitUntilObserver>);
+    explicit RsaKeyAlgorithm(const blink::WebCryptoKeyAlgorithm&);
 
-    RefPtr<WaitUntilObserver> m_observer;
+private:
+    RefPtr<Uint8Array> m_publicExponent;
 };
 
+DEFINE_KEY_ALGORITHM_TYPE_CASTS(RsaKeyAlgorithm);
+
 } // namespace WebCore
 
-#endif // InstallPhaseEvent_h
+#endif