CacheStorage: Pass an error object allocated on heap to WebCallbacks::onError (2)

Source/modules/cachestorage/CacheStorageError.cpp

 // Copyright 2015 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/CacheStorageError.h"
 
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 #include "modules/cachestorage/Cache.h"
 #include "public/platform/WebServiceWorkerCacheError.h"
 
 namespace blink {
 
 DOMException* CacheStorageError::take(ScriptPromiseResolver*, WebType* webErrorRaw)
 {
     return CacheStorageError::createException(*webErrorRaw);
 }
 
 void CacheStorageError::dispose(WebType* webErrorRaw)
 {
+#ifdef CRBUG_494884
+    delete webErrorRaw;
+#endif
 }
 
 DOMException* CacheStorageError::createException(WebType webError)
 {
     switch (webError) {
     case WebServiceWorkerCacheErrorNotImplemented:
         return DOMException::create(NotSupportedError, "Method is not implemented.");
     case WebServiceWorkerCacheErrorNotFound:
         return DOMException::create(NotFoundError, "Entry was not found.");
     case WebServiceWorkerCacheErrorExists:
         return DOMException::create(InvalidAccessError, "Entry already exists.");
     default:
         ASSERT_NOT_REACHED();
         return DOMException::create(NotSupportedError, "Unknown error.");
     }
 }
 
 } // namespace blink