Revamp asynchronous (load) event dispatching for SVG elements

Source/core/svg/SVGElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 810 matching lines @@
     // the element in question.
     if (document().loadEventFinished())
         return;
 
     if (!parent || !parent->isSVGElement())
         return;
 
     toSVGElement(parent)->sendSVGLoadEventToSelfAndAncestorChainIfPossible();
 }
 
-void SVGElement::sendSVGLoadEventIfPossibleAsynchronously()
-{
-    svgLoadEventTimer()->startOneShot(0, FROM_HERE);
-}
-
-void SVGElement::svgLoadEventTimerFired(Timer<SVGElement>*)
-{
-    sendSVGLoadEventIfPossible();
-}
-
-Timer<SVGElement>* SVGElement::svgLoadEventTimer()
-{
-    ASSERT_NOT_REACHED();
-    return nullptr;
-}
-
 void SVGElement::attributeChanged(const QualifiedName& name, const AtomicString& newValue, AttributeModificationReason)
 {
     Element::attributeChanged(name, newValue);
 
     if (isIdAttributeName(name))
         rebuildAllIncomingReferences();
 
     // Changes to the style attribute are processed lazily (see Element::getAttribute() and related methods),
     // so we don't want changes to the style attribute to result in extra work here.
     if (name != HTMLNames::styleAttr)
@@ skipping 325 matching lines @@
     Element::trace(visitor);
 }
 
 const AtomicString& SVGElement::eventParameterName()
 {
     DEFINE_STATIC_LOCAL(const AtomicString, evtString, ("evt", AtomicString::ConstructFromLiteral));
     return evtString;
 }
 
 } // namespace blink