[WIP] bindings: Introduce PropertyBag

Source/modules/crypto/CryptoResultImpl.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 140 matching lines @@
     if (m_resolver)
         m_resolver->resolve(CryptoKey::create(key));
 }
 
 void CryptoResultImpl::completeWithKeyPair(const WebCryptoKey& publicKey, const WebCryptoKey& privateKey)
 {
     if (m_resolver) {
         ScriptState* scriptState = m_resolver->scriptState();
         ScriptState::Scope scope(scriptState);
 
+#ifdef REMOVE_DIC
+        Dictionary keyPair(v8::Object::New(scriptState->isolate()), scriptState->isolate());
+#else
         Dictionary keyPair = Dictionary::createEmpty(scriptState->isolate());
+#endif
 
         v8::Handle<v8::Value> publicKeyValue = toV8NoInline(CryptoKey::create(publicKey), scriptState->context()->Global(), scriptState->isolate());
         v8::Handle<v8::Value> privateKeyValue = toV8NoInline(CryptoKey::create(privateKey), scriptState->context()->Global(), scriptState->isolate());
 
         keyPair.set("publicKey", publicKeyValue);
         keyPair.set("privateKey", privateKeyValue);
 
         m_resolver->resolve(keyPair.v8Value());
     }
 }
@@ skipping 15 matching lines @@
     // been stopped. And in the process set m_cancelled to 1.
     m_resolver = WeakResolver::create(scriptState, this);
 }
 
 ScriptPromise CryptoResultImpl::promise()
 {
     return m_resolver ? m_resolver->promise() : ScriptPromise();
 }
 
 } // namespace blink