WebCrypto: Add interfaces for importKey().

Source/modules/crypto/KeyOperation.h

Index: Source/modules/crypto/KeyOperation.h
diff --git a/Source/modules/crypto/SubtleCrypto.h b/Source/modules/crypto/KeyOperation.h
similarity index 61%
copy from Source/modules/crypto/SubtleCrypto.h
copy to Source/modules/crypto/KeyOperation.h
index d3cf99000b662102e872e99d272109f189f1da90..f5e96ff6d40cf77b1aea61d7e5e51a5f42be9199 100644
--- a/Source/modules/crypto/SubtleCrypto.h
+++ b/Source/modules/crypto/KeyOperation.h
@@ -28,33 +28,59 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef SubtleCrypto_h
-#define SubtleCrypto_h
+#ifndef KeyOperation_h
+#define KeyOperation_h
 
-#include "bindings/v8/ScriptWrappable.h"
+#include "bindings/v8/ScriptObject.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
+#include "wtf/RefPtr.h"
+#include "wtf/ThreadSafeRefCounted.h"
+
+namespace WebKit {
+class WebCryptoKeyOperation;
+class WebCryptoKey;
+}
 
 namespace WebCore {
 
-class CryptoOperation;
-class Dictionary;
 class ExceptionState;
+class ScriptPromiseResolver;
+
+typedef int ExceptionCode;
 
-class SubtleCrypto : public ScriptWrappable, public RefCounted<SubtleCrypto> {
+// todo: m_exceptionCode
+//       create the promise resolver.
+
+class KeyOperation : public ThreadSafeRefCounted<KeyOperation> {
 public:
-    static PassRefPtr<SubtleCrypto> create() { return adoptRef(new SubtleCrypto()); }
+    static PassRefPtr<KeyOperation> create();
+
+    ~KeyOperation();
 
-    PassRefPtr<CryptoOperation> encrypt(const Dictionary&, ExceptionState&);
-    PassRefPtr<CryptoOperation> decrypt(const Dictionary&, ExceptionState&);
-    PassRefPtr<CryptoOperation> sign(const Dictionary&, ExceptionState&);
-    // Note that this is not named "verify" because when compiling on Mac that expands to a macro and breaks.
-    PassRefPtr<CryptoOperation> verifySignature(const Dictionary&, ExceptionState&);
-    PassRefPtr<CryptoOperation> digest(const Dictionary&, ExceptionState&);
+    // Implementation of WebKit::WebCryptoKeyOperationResult.
+    void initializationFailed();
+    void initializationSucceeded(WebKit::WebCryptoKeyOperation*);
+    void completeWithError();
+    void completeWithKey(const WebKit::WebCryptoKey&);
+
+    ScriptObject returnValue(ExceptionState&);
 
 private:
-    SubtleCrypto();
+    enum State {
+        Initializing,
+        InProgress,
+        Done,
+    };
+
+    KeyOperation();
+
+    ScriptPromiseResolver* promiseResolver();
+
+    State m_state;
+    WebKit::WebCryptoKeyOperation* m_impl;
+    ExceptionCode m_exceptionCode;
+    RefPtr<ScriptPromiseResolver> m_promiseResolver;
 };
 
 } // namespace WebCore