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diff --git a/Source/WebCore/Modules/indexeddb/IDBCallbacks.h b/Source/WebCore/Modules/indexeddb/IDBCallbacks.h
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--- a/Source/WebCore/Modules/indexeddb/IDBCallbacks.h
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-/*
- * Copyright (C) 2010 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
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef IDBCallbacks_h
-#define IDBCallbacks_h
-
-#include "IDBDatabaseError.h"
-#include "IDBKey.h"
-#include "IDBKeyPath.h"
-#include "SharedBuffer.h"
-#include <wtf/RefCounted.h>
-
-#if ENABLE(INDEXED_DATABASE)
-
-namespace WebCore {
-class DOMStringList;
-class IDBCursorBackend;
-class IDBDatabaseBackend;
-
-struct IDBDatabaseMetadata;
-
-class IDBCallbacks : public RefCounted<IDBCallbacks> {
-public:
-    virtual ~IDBCallbacks() { }
-
-    virtual void onError(PassRefPtr<IDBDatabaseError>) = 0;
-    // From IDBFactory.webkitGetDatabaseNames()
-    virtual void onSuccess(PassRefPtr<DOMStringList>) = 0;
-    // From IDBObjectStore/IDBIndex.openCursor(), IDBIndex.openKeyCursor()
-    virtual void onSuccess(PassRefPtr<IDBCursorBackend>, PassRefPtr<IDBKey>, PassRefPtr<IDBKey> primaryKey, PassRefPtr<SharedBuffer>) = 0;
-    // From IDBObjectStore.add()/put(), IDBIndex.getKey()
-    virtual void onSuccess(PassRefPtr<IDBKey>) = 0;
-    // From IDBObjectStore/IDBIndex.get()/count(), and various methods that yield null/undefined.
-    virtual void onSuccess(PassRefPtr<SharedBuffer>) = 0;
-    // From IDBObjectStore/IDBIndex.get() (with key injection)
-    virtual void onSuccess(PassRefPtr<SharedBuffer>, PassRefPtr<IDBKey>, const IDBKeyPath&) = 0;
-    // From IDBObjectStore/IDBIndex.count()
-    virtual void onSuccess(int64_t value) = 0;
-
-    // From IDBFactor.deleteDatabase(), IDBObjectStore/IDBIndex.get(), IDBObjectStore.delete(), IDBObjectStore.clear()
-    virtual void onSuccess() = 0;
-
-    // From IDBCursor.advance()/continue()
-    virtual void onSuccess(PassRefPtr<IDBKey>, PassRefPtr<IDBKey> primaryKey, PassRefPtr<SharedBuffer>) = 0;
-    // From IDBCursor.advance()/continue()
-    virtual void onSuccessWithPrefetch(const Vector<RefPtr<IDBKey>>& keys, const Vector<RefPtr<IDBKey>>& primaryKeys, const Vector<RefPtr<SharedBuffer>>& values) = 0;
-    // From IDBFactory.open()/deleteDatabase()
-    virtual void onBlocked(uint64_t /* existingVersion */) { ASSERT_NOT_REACHED(); }
-    // From IDBFactory.open()
-    virtual void onUpgradeNeeded(uint64_t /* oldVersion */, PassRefPtr<IDBDatabaseBackend>, const IDBDatabaseMetadata&) { ASSERT_NOT_REACHED(); }
-    virtual void onSuccess(PassRefPtr<IDBDatabaseBackend>, const IDBDatabaseMetadata&) { ASSERT_NOT_REACHED(); }
-};
-
-} // namespace WebCore
-
-#endif
-
-#endif // IDBCallbacks_h