deleteDatabase() success should be IDBVersionChangeEvent [Blink]

Source/modules/indexeddb/IDBOpenDBRequest.cpp

 /*
  * Copyright (C) 2012 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 117 matching lines @@
     } else {
         ASSERT(backend.get());
         ASSERT(m_databaseCallbacks);
         idbDatabase = IDBDatabase::create(executionContext(), backend, m_databaseCallbacks.release());
         setResult(IDBAny::create(idbDatabase.get()));
     }
     idbDatabase->setMetadata(metadata);
     enqueueEvent(Event::create(EventTypeNames::success));
 }
 
+void IDBOpenDBRequest::onSuccess(int64_t oldVersion)
+{
+    IDB_TRACE("IDBOpenDBRequest::onSuccess()");
+    if (!shouldEnqueueEvent())
+        return;
+    if (oldVersion == IDBDatabaseMetadata::NoIntVersion) {
+        // This database hasn't had an integer version before.
+        oldVersion = IDBDatabaseMetadata::DefaultIntVersion;
+    }
+    setResult(IDBAny::createUndefined());
+    enqueueEvent(IDBVersionChangeEvent::create(EventTypeNames::success, oldVersion, Nullable<unsigned long long>()));
+}
+
 bool IDBOpenDBRequest::shouldEnqueueEvent() const
 {
     if (m_contextStopped || !executionContext())
         return false;
     ASSERT(m_readyState == PENDING || m_readyState == DONE);
     if (m_requestAborted)
         return false;
     return true;
 }
 
 bool IDBOpenDBRequest::dispatchEvent(PassRefPtrWillBeRawPtr<Event> event)
 {
     // If the connection closed between onUpgradeNeeded and the delivery of the "success" event,
     // an "error" event should be fired instead.
     if (event->type() == EventTypeNames::success && resultAsAny()->type() == IDBAny::IDBDatabaseType && resultAsAny()->idbDatabase()->isClosePending()) {
         dequeueEvent(event.get());
         setResult(nullptr);
         onError(DOMError::create(AbortError, "The connection was closed."));
         return false;
     }
 
     return IDBRequest::dispatchEvent(event);
 }
 
 } // namespace WebCore