[ABANDONED] Use AsyncInitializerResolver in WebCrypto.

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
index 117d6863218e978dd4a3a98503119949265fe4c7..03e47d58ae021868e817870a5d9f7024287d75e6 100644
--- a/Source/modules/crypto/CryptoResultImpl.h
+++ b/Source/modules/crypto/CryptoResultImpl.h
@@ -32,6 +32,7 @@
 #define CryptoResultImpl_h
 
 #include "bindings/v8/ScriptPromise.h"
+#include "core/dom/AsyncInitializerResolver.h"
 #include "platform/CryptoResult.h"
 #include "public/platform/WebCrypto.h"
 #include "wtf/Forward.h"
@@ -48,7 +49,7 @@ namespace WebCore {
 //  * 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.
+//    Initializer will be leaked until the ExecutionContext is destroyed.
 class CryptoResultImpl FINAL : public CryptoResult {
 public:
     ~CryptoResultImpl();
@@ -61,14 +62,13 @@ public:
     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 Initializer;
 
-    class PromiseState;
-    WeakPtr<PromiseState> m_promiseState;
+    WeakPtr<AsyncInitializerResolver<Initializer> > m_resolver;
 };
 
 } // namespace WebCore