Reviewed by Geoffrey Garen.

        Move more window event related code into DOMWindow.

        * dom/Document.cpp:
        (WebCore::Document::implicitClose):
        (WebCore::Document::setWindowAttributeEventListener):
        (WebCore::Document::dispatchWindowEvent):
        (WebCore::Document::dispatchLoadEvent):
        * dom/Document.h:
        * dom/Element.cpp:
        * dom/Element.h:
        * dom/Node.cpp:
        * dom/Node.h:
        * html/HTMLBodyElement.cpp:
        (WebCore::HTMLBodyElement::parseMappedAttribute):
        * html/HTMLFrameSetElement.cpp:
        (WebCore::HTMLFrameSetElement::parseMappedAttribute):
        * loader/FrameLoader.cpp:
        (WebCore::FrameLoader::stopLoading):
        * page/DOMWindow.cpp:
        (WebCore::DOMWindow::dispatchAllPendingUnloadEvents):
        (WebCore::DOMWindow::postMessageTimerFired):
        (WebCore::DOMWindow::dispatchEvent):
        (WebCore::DOMWindow::dispatchEventWithDocumentAsTarget):
        (WebCore::DOMWindow::dispatchLoadEvent):
        (WebCore::DOMWindow::dispatchUnloadEvent):
        (WebCore::DOMWindow::dispatchBeforeUnloadEvent):
        * page/DOMWindow.h:
        * page/Frame.cpp:
        (WebCore::Frame::shouldClose):
        * svg/SVGSVGElement.cpp:
        (WebCore::SVGSVGElement::parseMappedAttribute):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@42912 268f45cc-cd09-0410-ab3c-d52691b4dbfc