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diff --git a/webkit/api/src/NotificationPresenterImpl.cpp b/webkit/api/src/NotificationPresenterImpl.cpp
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+++ b/webkit/api/src/NotificationPresenterImpl.cpp
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+/*
+ * Copyright (C) 2009 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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 "NotificationPresenterImpl.h"
+
+#if ENABLE(NOTIFICATIONS)
+
+#include "WebNotification.h"
+#include "WebNotificationPermissionCallback.h"
+#include "WebNotificationPresenter.h"
+
+#include "Notification.h"
+#include "SecurityOrigin.h"
+#include <wtf/PassRefPtr.h>
+
+using namespace WebCore;
+
+namespace WebKit {
+
+// Ensure that our publicly defined enum values never get out of sync with the
+// ones declared for use within WebCore.
+#define COMPILE_ASSERT_MATCHING_ENUM(name) \
+    COMPILE_ASSERT(int(WebNotificationPresenter::name) == int(NotificationPresenter::name), name)
+
+COMPILE_ASSERT_MATCHING_ENUM(PermissionAllowed);
+COMPILE_ASSERT_MATCHING_ENUM(PermissionNotAllowed);
+COMPILE_ASSERT_MATCHING_ENUM(PermissionDenied);
+
+class VoidCallbackClient : public WebNotificationPermissionCallback {
+public:
+    VoidCallbackClient(PassRefPtr<VoidCallback> callback)
+        : m_callback(callback)
+    {
+    }
+
+    virtual void permissionRequestComplete()
+    {
+        if (m_callback)
+            m_callback->handleEvent();
+        delete this;
+    }
+
+private:
+    RefPtr<VoidCallback> m_callback;
+};
+
+void NotificationPresenterImpl::initialize(WebNotificationPresenter* presenter)
+{
+    m_presenter = presenter;
+}
+
+bool NotificationPresenterImpl::isInitialized()
+{
+    return m_presenter != 0;
+}
+
+bool NotificationPresenterImpl::show(Notification* notification)
+{
+    return m_presenter->show(PassRefPtr<Notification>(notification));
+}
+
+void NotificationPresenterImpl::cancel(Notification* notification)
+{
+    m_presenter->cancel(PassRefPtr<Notification>(notification));
+}
+
+void NotificationPresenterImpl::notificationObjectDestroyed(Notification* notification)
+{
+    m_presenter->objectDestroyed(PassRefPtr<Notification>(notification));
+}
+
+NotificationPresenter::Permission NotificationPresenterImpl::checkPermission(SecurityOrigin* origin)
+{
+    int result = m_presenter->checkPermission(origin->toString());
+    return static_cast<NotificationPresenter::Permission>(result);
+}
+
+void NotificationPresenterImpl::requestPermission(SecurityOrigin* origin, PassRefPtr<VoidCallback> callback)
+{
+    m_presenter->requestPermission(origin->toString(), new VoidCallbackClient(callback));
+}
+
+} // namespace WebKit
+
+#endif // ENABLE(NOTIFICATIONS)