CallbackPromiseAdapter types should be more compatible with WebCallbacks (3/3).

Source/modules/cachestorage/Cache.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "modules/cachestorage/Cache.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
@@ skipping 78 matching lines @@
 public:
     explicit CacheDeleteCallback(ScriptPromiseResolver* resolver)
         : m_resolver(resolver) { }
 
     void onSuccess() override
     {
         m_resolver->resolve(true);
         m_resolver.clear();
     }
 
-    void onError(WebPassOwnPtr<WebServiceWorkerCacheError> rawReason) override
+    void onError(WebServiceWorkerCacheError reason) override
     {
-        OwnPtr<WebServiceWorkerCacheError> reason = rawReason.release();
-        if (*reason == WebServiceWorkerCacheErrorNotFound)
+        if (reason == WebServiceWorkerCacheErrorNotFound)
             m_resolver->resolve(false);
         else
-            m_resolver->reject(CacheStorageError::createException(*reason));
+            m_resolver->reject(CacheStorageError::createException(reason));
         m_resolver.clear();
     }
 
 private:
     Persistent<ScriptPromiseResolver> m_resolver;
 };
 
 // FIXME: Consider using CallbackPromiseAdapter.
 class CacheWithRequestsCallbacks : public WebServiceWorkerCache::CacheWithRequestsCallbacks {
     WTF_MAKE_NONCOPYABLE(CacheWithRequestsCallbacks);
@@ skipping 396 matching lines @@
     m_webCache->dispatchKeys(new CacheWithRequestsCallbacks(resolver), 0, toWebQueryParams(options));
     return promise;
 }
 
 WebServiceWorkerCache* Cache::webCache() const
 {
     return m_webCache.get();
 }
 
 } // namespace blink