Remove beforeload events.

Source/core/events/BeforeLoadEvent.h

Index: Source/core/events/BeforeLoadEvent.h
diff --git a/Source/core/events/BeforeLoadEvent.h b/Source/core/events/BeforeLoadEvent.h
deleted file mode 100644
index d815abfd7273184cbc9985c3dd5a237bcef8e882..0000000000000000000000000000000000000000
--- a/Source/core/events/BeforeLoadEvent.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright (C) 2009 Apple 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, INC. ``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 COMPUTER, INC. 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 BeforeLoadEvent_h
-#define BeforeLoadEvent_h
-
-#include "RuntimeEnabledFeatures.h"
-#include "core/events/Event.h"
-
-namespace WebCore {
-
-struct BeforeLoadEventInit : public EventInit {
-    BeforeLoadEventInit()
-    {
-    };
-
-    String url;
-};
-
-class BeforeLoadEvent FINAL : public Event {
-public:
-    static PassRefPtr<BeforeLoadEvent> create()
-    {
-        return adoptRef(new BeforeLoadEvent);
-    }
-
-    static PassRefPtr<BeforeLoadEvent> create(const String& url)
-    {
-        return adoptRef(new BeforeLoadEvent(url));
-    }
-
-    static PassRefPtr<BeforeLoadEvent> create(const AtomicString& type, const BeforeLoadEventInit& initializer)
-    {
-        return adoptRef(new BeforeLoadEvent(type, initializer));
-    }
-
-    const String& url() const { return m_url; }
-
-    virtual const AtomicString& interfaceName() const OVERRIDE { return EventNames::BeforeLoadEvent; }
-
-    virtual void trace(Visitor* visitor) OVERRIDE { Event::trace(visitor); }
-
-private:
-    BeforeLoadEvent()
-    {
-        RELEASE_ASSERT(RuntimeEnabledFeatures::beforeLoadEnabled());
-        ScriptWrappable::init(this);
-    }
-
-    explicit BeforeLoadEvent(const String& url)
-        : Event(EventTypeNames::beforeload, false, true)
-        , m_url(url)
-    {
-        RELEASE_ASSERT(RuntimeEnabledFeatures::beforeLoadEnabled());
-        ScriptWrappable::init(this);
-    }
-
-    BeforeLoadEvent(const AtomicString& type, const BeforeLoadEventInit& initializer)
-        : Event(type, initializer)
-        , m_url(initializer.url)
-    {
-        RELEASE_ASSERT(RuntimeEnabledFeatures::beforeLoadEnabled());
-        ScriptWrappable::init(this);
-    }
-
-    String m_url;
-};
-
-} // namespace WebCore
-
-#endif // BeforeLoadEvent_h