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diff --git a/WebKit/chromium/src/IDBIndexBackendProxy.cpp b/WebKit/chromium/src/IDBIndexBackendProxy.cpp
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+++ b/WebKit/chromium/src/IDBIndexBackendProxy.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 "IDBIndexBackendProxy.h"
+
+#if ENABLE(INDEXED_DATABASE)
+
+#include "IDBCallbacks.h"
+#include "IDBKeyRange.h"
+#include "IDBTransactionBackendProxy.h"
+#include "WebIDBCallbacksImpl.h"
+#include "WebIDBDatabaseError.h"
+#include "WebIDBIndex.h"
+#include "WebIDBKey.h"
+#include "WebIDBKeyRange.h"
+
+namespace WebCore {
+
+PassRefPtr<IDBIndexBackendInterface> IDBIndexBackendProxy::create(PassOwnPtr<WebKit::WebIDBIndex> index)
+{
+    return adoptRef(new IDBIndexBackendProxy(index));
+}
+
+IDBIndexBackendProxy::IDBIndexBackendProxy(PassOwnPtr<WebKit::WebIDBIndex> index)
+    : m_webIDBIndex(index)
+{
+}
+
+IDBIndexBackendProxy::~IDBIndexBackendProxy()
+{
+}
+
+String IDBIndexBackendProxy::name()
+{
+    return m_webIDBIndex->name();
+}
+
+String IDBIndexBackendProxy::storeName()
+{
+    return m_webIDBIndex->storeName();
+}
+
+String IDBIndexBackendProxy::keyPath()
+{
+    return m_webIDBIndex->keyPath();
+}
+
+bool IDBIndexBackendProxy::unique()
+{
+    return m_webIDBIndex->unique();
+}
+
+void IDBIndexBackendProxy::openCursor(PassRefPtr<IDBKeyRange> keyRange, unsigned short direction, PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
+{
+    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
+    // all implementations of IDB interfaces are proxy objects.
+    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
+    m_webIDBIndex->openObjectCursor(keyRange, direction, new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
+}
+
+void IDBIndexBackendProxy::openKeyCursor(PassRefPtr<IDBKeyRange> keyRange, unsigned short direction, PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
+{
+    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
+    // all implementations of IDB interfaces are proxy objects.
+    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
+    m_webIDBIndex->openKeyCursor(keyRange, direction, new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
+}
+
+void IDBIndexBackendProxy::get(PassRefPtr<IDBKey> key, PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
+{
+    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
+    // all implementations of IDB interfaces are proxy objects.
+    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
+    m_webIDBIndex->getObject(key, new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
+}
+
+void IDBIndexBackendProxy::getKey(PassRefPtr<IDBKey> key, PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
+{
+    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
+    // all implementations of IDB interfaces are proxy objects.
+    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
+    m_webIDBIndex->getKey(key, new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(INDEXED_DATABASE)