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diff --git a/WebKit/chromium/src/IDBTransactionBackendProxy.cpp b/WebKit/chromium/src/IDBTransactionBackendProxy.cpp
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+++ b/WebKit/chromium/src/IDBTransactionBackendProxy.cpp
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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.
+ *
+ * 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.
+ */
+
+#include "config.h"
+#include "IDBTransactionBackendProxy.h"
+
+#if ENABLE(INDEXED_DATABASE)
+
+#include "IDBObjectStoreProxy.h"
+#include "IDBTransactionCallbacks.h"
+#include "WebIDBDatabaseError.h"
+#include "WebIDBObjectStore.h"
+#include "WebIDBTransaction.h"
+#include "WebIDBTransactionCallbacksImpl.h"
+
+namespace WebCore {
+
+PassRefPtr<IDBTransactionBackendInterface> IDBTransactionBackendProxy::create(PassOwnPtr<WebKit::WebIDBTransaction> transaction)
+{
+    return adoptRef(new IDBTransactionBackendProxy(transaction));
+}
+
+IDBTransactionBackendProxy::IDBTransactionBackendProxy(PassOwnPtr<WebKit::WebIDBTransaction> transaction)
+    : m_webIDBTransaction(transaction)
+{
+}
+
+IDBTransactionBackendProxy::~IDBTransactionBackendProxy()
+{
+}
+
+PassRefPtr<IDBObjectStoreBackendInterface> IDBTransactionBackendProxy::objectStore(const String& name)
+{
+    WebKit::WebIDBObjectStore* objectStore = m_webIDBTransaction->objectStore(name);
+    if (!objectStore)
+        return 0;
+    return IDBObjectStoreProxy::create(objectStore);
+}
+
+unsigned short IDBTransactionBackendProxy::mode() const
+{
+    return m_webIDBTransaction->mode();
+}
+
+void IDBTransactionBackendProxy::abort()
+{
+    m_webIDBTransaction->abort();
+}
+
+void IDBTransactionBackendProxy::scheduleTask(PassOwnPtr<ScriptExecutionContext::Task>)
+{
+    // This should never be reached as it's the impl objects who get to
+    // execute tasks in the browser process.
+    ASSERT_NOT_REACHED();
+}
+
+int IDBTransactionBackendProxy::id() const
+{
+    return m_webIDBTransaction->id();
+}
+
+void IDBTransactionBackendProxy::setCallbacks(IDBTransactionCallbacks* callbacks)
+{
+    m_webIDBTransaction->setCallbacks(new WebIDBTransactionCallbacksImpl(callbacks));
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(INDEXED_DATABASE)