WebCrypto: Add the KeyPair interface.

Source/modules/crypto/CryptoResult.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 14 matching lines @@
  * 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/CryptoResult.h"
 
 #include "V8Key.h" // Must precede ScriptPromiseResolver.h
+#include "V8KeyPair.h" // Must precede ScriptPromiseResolver.h
 #include "bindings/v8/custom/V8ArrayBufferCustom.h" // Must precede ScriptPromiseResolver.h
 #include "bindings/v8/ScriptPromiseResolver.h"
 #include "modules/crypto/Key.h"
 #include "modules/crypto/NormalizeAlgorithm.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebArrayBuffer.h"
 #include "public/platform/WebCrypto.h"
 #include "public/platform/WebCryptoAlgorithm.h"
 #include "wtf/ArrayBufferView.h"
 
@@ skipping 26 matching lines @@
     m_promiseResolver->fulfill(ScriptValue::createBoolean(b));
     finish();
 }
 
 void CryptoResult::completeWithKey(const WebKit::WebCryptoKey& key)
 {
     m_promiseResolver->fulfill(Key::create(key));
     finish();
 }
 
+void CryptoResult::completeWithKeyPair(const WebKit::WebCryptoKey& publicKey, const WebKit::WebCryptoKey& privateKey)
+{
+    m_promiseResolver->fulfill(KeyPair::create(publicKey, privateKey));
+    finish();
+}
+
 ScriptObject CryptoResult::promise()
 {
     return m_promiseResolver->promise();
 }
 
 CryptoResult::CryptoResult()
     : m_promiseResolver(ScriptPromiseResolver::create())
     , m_finished(false) { }
 
 void CryptoResult::finish()
 {
     ASSERT(!m_finished);
     m_finished = true;
 }
 
 } // namespace WebCore