Remove the (already disabled) OverflowChangedEvent runtime flag

Source/core/events/OverflowEvent.cpp

Index: Source/core/events/OverflowEvent.cpp
diff --git a/Source/core/events/OverflowEvent.cpp b/Source/core/events/OverflowEvent.cpp
deleted file mode 100644
index e25e59b239aca6d4d93b471c5b3f233d81048e5e..0000000000000000000000000000000000000000
--- a/Source/core/events/OverflowEvent.cpp
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright (C) 2006, 2007 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 COMPUTER, 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.
- */
-
-#include "config.h"
-#include "core/events/OverflowEvent.h"
-
-#include "platform/RuntimeEnabledFeatures.h"
-
-namespace blink {
-
-OverflowEvent::OverflowEvent()
-    : Event(EventTypeNames::overflowchanged, false, false)
-    , m_orient(VERTICAL)
-    , m_horizontalOverflow(false)
-    , m_verticalOverflow(false)
-{
-    ASSERT(RuntimeEnabledFeatures::overflowChangedEventEnabled());
-}
-
-OverflowEvent::OverflowEvent(bool horizontalOverflowChanged, bool horizontalOverflow, bool verticalOverflowChanged, bool verticalOverflow)
-    : Event(EventTypeNames::overflowchanged, false, false)
-    , m_horizontalOverflow(horizontalOverflow)
-    , m_verticalOverflow(verticalOverflow)
-{
-    ASSERT(RuntimeEnabledFeatures::overflowChangedEventEnabled());
-    ASSERT(horizontalOverflowChanged || verticalOverflowChanged);
-
-    if (horizontalOverflowChanged && verticalOverflowChanged)
-        m_orient = BOTH;
-    else if (horizontalOverflowChanged)
-        m_orient = HORIZONTAL;
-    else
-        m_orient = VERTICAL;
-}
-
-OverflowEvent::OverflowEvent(const AtomicString& type, const OverflowEventInit& initializer)
-    : Event(type, initializer)
-    , m_orient(0)
-    , m_horizontalOverflow(false)
-    , m_verticalOverflow(false)
-{
-    ASSERT(RuntimeEnabledFeatures::overflowChangedEventEnabled());
-
-    if (initializer.hasOrient())
-        m_orient = initializer.orient();
-    if (initializer.hasHorizontalOverflow())
-        m_horizontalOverflow = initializer.horizontalOverflow();
-    if (initializer.hasVerticalOverflow())
-        m_verticalOverflow = initializer.verticalOverflow();
-}
-
-const AtomicString& OverflowEvent::interfaceName() const
-{
-    return EventNames::OverflowEvent;
-}
-
-DEFINE_TRACE(OverflowEvent)
-{
-    Event::trace(visitor);
-}
-
-}