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diff --git a/Source/WebKit/chromium/src/IDBDatabaseBackendProxy.cpp b/Source/WebKit/chromium/src/IDBDatabaseBackendProxy.cpp
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+++ b/Source/WebKit/chromium/src/IDBDatabaseBackendProxy.cpp
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+/*
+ * 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
+ *     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 "IDBDatabaseBackendProxy.h"
+
+#if ENABLE(INDEXED_DATABASE)
+
+#include "DOMStringList.h"
+#include "IDBCallbacks.h"
+#include "IDBDatabaseCallbacks.h"
+#include "IDBObjectStoreBackendProxy.h"
+#include "IDBTransactionBackendProxy.h"
+#include "WebDOMStringList.h"
+#include "WebFrameImpl.h"
+#include "WebIDBCallbacksImpl.h"
+#include "WebIDBDatabase.h"
+#include "WebIDBDatabaseCallbacksImpl.h"
+#include "WebIDBDatabaseError.h"
+#include "WebIDBObjectStore.h"
+#include "WebIDBTransaction.h"
+
+using namespace WebCore;
+
+namespace WebKit {
+
+PassRefPtr<IDBDatabaseBackendInterface> IDBDatabaseBackendProxy::create(PassOwnPtr<WebIDBDatabase> database)
+{
+    return adoptRef(new IDBDatabaseBackendProxy(database));
+}
+
+IDBDatabaseBackendProxy::IDBDatabaseBackendProxy(PassOwnPtr<WebIDBDatabase> database)
+    : m_webIDBDatabase(database)
+{
+}
+
+IDBDatabaseBackendProxy::~IDBDatabaseBackendProxy()
+{
+}
+
+String IDBDatabaseBackendProxy::name() const
+{
+    return m_webIDBDatabase->name();
+}
+
+String IDBDatabaseBackendProxy::version() const
+{
+    return m_webIDBDatabase->version();
+}
+
+PassRefPtr<DOMStringList> IDBDatabaseBackendProxy::objectStoreNames() const
+{
+    return m_webIDBDatabase->objectStoreNames();
+}
+
+PassRefPtr<IDBObjectStoreBackendInterface> IDBDatabaseBackendProxy::createObjectStore(const String& name, const String& keyPath, bool autoIncrement, 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);
+    WebIDBObjectStore* objectStore = m_webIDBDatabase->createObjectStore(name, keyPath, autoIncrement, *transactionProxy->getWebIDBTransaction(), ec);
+    if (!objectStore)
+        return 0;
+    return IDBObjectStoreBackendProxy::create(objectStore);
+}
+
+void IDBDatabaseBackendProxy::deleteObjectStore(const String& name, 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_webIDBDatabase->deleteObjectStore(name, *transactionProxy->getWebIDBTransaction(), ec);
+}
+
+void IDBDatabaseBackendProxy::setVersion(const String& version, PassRefPtr<IDBCallbacks> callbacks, PassRefPtr<IDBDatabaseCallbacks> databaseCallbacks, ExceptionCode& ec)
+{
+    m_webIDBDatabase->setVersion(version, new WebIDBCallbacksImpl(callbacks), ec);
+}
+
+PassRefPtr<IDBTransactionBackendInterface> IDBDatabaseBackendProxy::transaction(DOMStringList* storeNames, unsigned short mode, ExceptionCode& ec)
+{
+    WebDOMStringList names(storeNames);
+    WebIDBTransaction* transaction = m_webIDBDatabase->transaction(names, mode, ec);
+    if (!transaction) {
+        ASSERT(ec);
+        return 0;
+    }
+    return IDBTransactionBackendProxy::create(transaction);
+}
+
+void IDBDatabaseBackendProxy::close(PassRefPtr<IDBDatabaseCallbacks>)
+{
+    m_webIDBDatabase->close();
+}
+
+void IDBDatabaseBackendProxy::open(PassRefPtr<IDBDatabaseCallbacks> databaseCallbacks)
+{
+    m_webIDBDatabase->open(new WebIDBDatabaseCallbacksImpl(databaseCallbacks));
+}
+
+} // namespace WebKit
+
+#endif // ENABLE(INDEXED_DATABASE)