WebCrypto: Add interfaces for importKey().

Source/modules/crypto/SubtleCrypto.h

 /*
  * 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 13 matching lines @@
  * 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.
  */
 
 #ifndef SubtleCrypto_h
 #define SubtleCrypto_h
 
+#include "bindings/v8/ScriptObject.h"
 #include "bindings/v8/ScriptWrappable.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class CryptoOperation;
 class Dictionary;
 class ExceptionState;
 
 class SubtleCrypto : public ScriptWrappable, public RefCounted<SubtleCrypto> {
 public:
     static PassRefPtr<SubtleCrypto> create() { return adoptRef(new SubtleCrypto()); }
 
     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&);
 
+    ScriptObject importKey(const String&, ArrayBufferView*, const Dictionary&, bool extractable, const Vector<String>& keyUsages, ExceptionState&);
+
 private:
     SubtleCrypto();
 };
 
 } // namespace WebCore
 
 #endif