Introduce KeepAliveWhilePending to ScriptPromiseResolverWithContext.

Source/modules/crypto/CryptoResultImpl.h

Index: Source/modules/crypto/CryptoResultImpl.h
diff --git a/Source/modules/crypto/CryptoResultImpl.h b/Source/modules/crypto/CryptoResultImpl.h
deleted file mode 100644
index 0465969fe17e86c54995b7ca247752432e2f290c..0000000000000000000000000000000000000000
--- a/Source/modules/crypto/CryptoResultImpl.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * 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 CryptoResultImpl_h
-#define CryptoResultImpl_h
-
-#include "bindings/v8/ScriptPromise.h"
-#include "core/dom/ExceptionCode.h"
-#include "platform/CryptoResult.h"
-#include "public/platform/WebCrypto.h"
-#include "wtf/Forward.h"
-#include "wtf/WeakPtr.h"
-
-namespace WebCore {
-
-ExceptionCode webCryptoErrorToExceptionCode(blink::WebCryptoErrorType);
-
-// Wrapper around a Promise to notify completion of the crypto operation.
-//
-// The thread on which CryptoResultImpl was created on is referred to as the
-// "origin thread".
-//
-//  * At creation time there must be an active ExecutionContext.
-//  * The CryptoResult interface must only be called from the origin thread.
-//  * addref() and deref() can be called from any thread.
-//  * One of the completeWith***() functions must be called, or the
-//    PromiseState will be leaked until the ExecutionContext is destroyed.
-class CryptoResultImpl FINAL : public CryptoResult {
-public:
-    ~CryptoResultImpl();
-
-    static PassRefPtr<CryptoResultImpl> create(ScriptState*);
-
-    virtual void completeWithError(blink::WebCryptoErrorType, const blink::WebString&) OVERRIDE;
-    virtual void completeWithBuffer(const blink::WebArrayBuffer&) OVERRIDE;
-    virtual void completeWithBoolean(bool) OVERRIDE;
-    virtual void completeWithKey(const blink::WebCryptoKey&) OVERRIDE;
-    virtual void completeWithKeyPair(const blink::WebCryptoKey& publicKey, const blink::WebCryptoKey& privateKey) OVERRIDE;
-
-    // It is only valid to call this before completion.
-    ScriptPromise promise();
-
-private:
-    explicit CryptoResultImpl(ScriptState*);
-
-    class PromiseState;
-    WeakPtr<PromiseState> m_promiseState;
-};
-
-} // namespace WebCore
-
-#endif