Revert of Remove support for legacy WebKit Notifications

Source/modules/notifications/WebKitNotification.h

Index: Source/modules/notifications/WebKitNotification.h
diff --git a/Source/modules/notifications/WebKitNotification.h b/Source/modules/notifications/WebKitNotification.h
new file mode 100644
index 0000000000000000000000000000000000000000..79c36b08a4e47f0ef3c05e5862dd24ac6aced138
--- /dev/null
+++ b/Source/modules/notifications/WebKitNotification.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2013 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.
+ */
+
+#ifndef WebKitNotification_h
+#define WebKitNotification_h
+
+#if ENABLE(LEGACY_NOTIFICATIONS)
+
+#include "core/events/EventTarget.h"
+#include "heap/Handle.h"
+#include "modules/notifications/NotificationBase.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
+
+namespace WebCore {
+
+class ExceptionState;
+class ExecutionContext;
+class NotificationCenter;
+
+// Implementation of the legacy notification API as specified the following page:
+// http://chromium.org/developers/design-documents/desktop-notifications/api-specification
+class WebKitNotification FINAL : public RefCountedWillBeRefCountedGarbageCollected<WebKitNotification>, public NotificationBase {
+    DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedWillBeRefCountedGarbageCollected<WebKitNotification>);
+
+public:
+    static PassRefPtrWillBeRawPtr<WebKitNotification> create(const String& title, const String& body, const String& iconUrl, ExecutionContext*, ExceptionState&, PassRefPtrWillBeRawPtr<NotificationCenter> provider);
+
+    virtual ~WebKitNotification();
+
+    void cancel() { close(); }
+
+    DEFINE_MAPPED_ATTRIBUTE_EVENT_LISTENER(display, show);
+
+    String replaceId() const { return tag(); }
+    void setReplaceId(const String& replaceId) { setTag(replaceId); }
+
+    // EventTarget interface
+    virtual const AtomicString& interfaceName() const OVERRIDE;
+
+    void trace(Visitor*) { }
+
+private:
+    WebKitNotification(const String& title, const String& body, const String& iconUrl, ExecutionContext*, ExceptionState&, PassRefPtrWillBeRawPtr<NotificationCenter> provider);
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(LEGACY_NOTIFICATIONS)
+
+#endif // WebKitNotification_h