Add dataLoss property to IDB's upgradeneeded event

Source/WebKit/chromium/src/WebIDBCallbacksImpl.cpp

 /*
  * Copyright (C) 2011 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 96 matching lines @@
 void WebIDBCallbacksImpl::onSuccess(const WebIDBKey& key, const WebIDBKey& primaryKey, const WebData& value)
 {
     m_callbacks->onSuccess(key, primaryKey, value);
 }
 
 void WebIDBCallbacksImpl::onBlocked(long long oldVersion)
 {
     m_callbacks->onBlocked(oldVersion);
 }
 
-void WebIDBCallbacksImpl::onUpgradeNeeded(long long oldVersion, WebIDBDatabase* database, const WebIDBMetadata& metadata)
+void WebIDBCallbacksImpl::onUpgradeNeeded(long long oldVersion, WebIDBDatabase* database, const WebIDBMetadata& metadata, DataLoss dataLoss)
 {
     m_databaseProxy = IDBDatabaseBackendProxy::create(adoptPtr(database));
-    m_callbacks->onUpgradeNeeded(oldVersion, m_databaseProxy, metadata);
+    m_callbacks->onUpgradeNeeded(oldVersion, m_databaseProxy, metadata, dataLoss);
 }
 
 } // namespace WebKit