Improve responsiveness by being willing to break out of the tokenizer. (This patch...

	Improve responsiveness by being willing to break out of the tokenizer.  (This patch was landed already
	and subsequently backed out).

        Reviewed by kocienda

        * khtml/html/html_baseimpl.cpp:
        (HTMLBodyElementImpl::insertedIntoDocument):
        * khtml/html/htmltokenizer.cpp:
        (khtml::HTMLTokenizer::reset):
        (khtml::HTMLTokenizer::scriptHandler):
        (khtml::HTMLTokenizer::scriptExecution):
        (khtml::HTMLTokenizer::write):
        (khtml::HTMLTokenizer::continueProcessing):
        (khtml::HTMLTokenizer::timerEvent):
        (khtml::HTMLTokenizer::notifyFinished):
        * khtml/html/htmltokenizer.h:
        * khtml/khtmlview.cpp:
        (KHTMLViewPrivate::KHTMLViewPrivate):
        (KHTMLViewPrivate::reset):
        (KHTMLView::clear):
        (KHTMLView::layout):
        (KHTMLView::timerEvent):
        (KHTMLView::scheduleRelayout):
        (KHTMLView::layoutPending):
        (KHTMLView::haveDelayedLayoutScheduled):
        (KHTMLView::unscheduleRelayout):
        * khtml/khtmlview.h:
        * khtml/xml/dom_docimpl.cpp:
        (DocumentImpl::DocumentImpl):
        (DocumentImpl::close):
        (DocumentImpl::setParsing):
        (DocumentImpl::shouldScheduleLayout):
        (DocumentImpl::minimumLayoutDelay):
        (DocumentImpl::write):
        (DocumentImpl::finishParsing):
        (DocumentImpl::stylesheetLoaded):
        (DocumentImpl::updateStyleSelector):
        * khtml/xml/dom_docimpl.h:
        (DOM::DocumentImpl::parsing):
        * kwq/KWQDateTime.mm:
        (KWQUIEventTime::uiEventPending):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@8031 268f45cc-cd09-0410-ab3c-d52691b4dbfc