Add dataLoss property to IDB's upgradeneeded event

Source/modules/indexeddb/IDBOpenDBRequest.h

 /*
  * 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 22 matching lines @@
 class IDBDatabaseCallbacksImpl;
 
 class IDBOpenDBRequest : public IDBRequest {
 public:
     static PassRefPtr<IDBOpenDBRequest> create(ScriptExecutionContext*, PassRefPtr<IDBDatabaseCallbacksImpl>, int64_t transactionId, int64_t version);
     virtual ~IDBOpenDBRequest();
 
     using IDBRequest::onSuccess;
 
     virtual void onBlocked(int64_t existingVersion) OVERRIDE;
-    virtual void onUpgradeNeeded(int64_t oldVersion, PassRefPtr<IDBDatabaseBackendInterface>, const IDBDatabaseMetadata&) OVERRIDE;
+    virtual void onUpgradeNeeded(int64_t oldVersion, PassRefPtr<IDBDatabaseBackendInterface>, const IDBDatabaseMetadata&, WebKit::WebIDBCallbacks::DataLoss) OVERRIDE;
     virtual void onSuccess(PassRefPtr<IDBDatabaseBackendInterface>, const IDBDatabaseMetadata&) OVERRIDE;
 
     // EventTarget
     virtual const AtomicString& interfaceName() const;
     virtual bool dispatchEvent(PassRefPtr<Event>) OVERRIDE;
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(blocked);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(upgradeneeded);
 
 protected:
     virtual bool shouldEnqueueEvent() const OVERRIDE;
 
 private:
     IDBOpenDBRequest(ScriptExecutionContext*, PassRefPtr<IDBDatabaseCallbacksImpl>, int64_t transactionId, int64_t version);
 
     RefPtr<IDBDatabaseCallbacksImpl> m_databaseCallbacks;
     const int64_t m_transactionId;
     int64_t m_version;
 };
 
 } // namespace WebCore
 
 #endif // IDBOpenDBRequest_h