Remove all uses of PassRefPtr in WebCore/svg

Remove all uses of PassRefPtr in WebCore/svg
https://bugs.webkit.org/show_bug.cgi?id=148472

Reviewed by Darin Adler.

Clean up all uses of PassRefPtr in WebCore/svg.

* Modules/webaudio/AudioScheduledSourceNode.cpp:
(WebCore::AudioScheduledSourceNode::addEventListener):
* Modules/webaudio/AudioScheduledSourceNode.h:
* Modules/webaudio/ScriptProcessorNode.cpp:
(WebCore::ScriptProcessorNode::addEventListener):
* Modules/webaudio/ScriptProcessorNode.h:
* dom/EventListenerMap.cpp:
(WebCore::copyListenersNotCreatedFromMarkupToTarget):
* dom/EventTarget.cpp:
(WebCore::EventTarget::addEventListener):
* dom/EventTarget.h:
* dom/MessagePort.cpp:
(WebCore::MessagePort::addEventListener):
* dom/MessagePort.h:
* dom/Node.cpp:
(WebCore::tryAddEventListener):
(WebCore::Node::addEventListener):
* dom/Node.h:
* html/HTMLMediaElement.cpp:
(WebCore::HTMLMediaElement::addEventListener):
* html/HTMLMediaElement.h:
* html/ImageDocument.cpp:
(WebCore::ImageDocument::createDocumentStructure):
* html/shadow/MediaControlsApple.cpp:
(WebCore::MediaControlsApple::showClosedCaptionTrackList):
* page/DOMWindow.cpp:
(WebCore::DOMWindow::addEventListener):
* page/DOMWindow.h:
* rendering/svg/RenderSVGResourceFilter.cpp:
(WebCore::RenderSVGResourceFilter::buildPrimitives):
* svg/SVGElement.cpp:
(WebCore::SVGElement::addEventListener):
* svg/SVGElement.h:
* svg/SVGPathElement.cpp:
(WebCore::SVGPathElement::pathSegListChanged):
* svg/SVGPathUtilities.cpp:
(WebCore::appendSVGPathByteStreamFromSVGPathSeg):
* svg/SVGPathUtilities.h:
* svg/SVGTRefElement.cpp:
(WebCore::SVGTRefTargetEventListener::attach):
(WebCore::SVGTRefElement::buildPendingResource):
* svg/graphics/filters/SVGFilterBuilder.cpp:
(WebCore::SVGFilterBuilder::appendEffectToEffectReferences):
* svg/graphics/filters/SVGFilterBuilder.h:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@189565 268f45cc-cd09-0410-ab3c-d52691b4dbfc