Split continuation() into virtual and non-virtual versions so that the non-virtual version can
        be used whereever possible.  Eventually the virtual method can be eliminated completely.

        Reviewed by Sam Weinig and Oliver Hunt

        * html/HTMLAnchorElement.cpp:
        (WebCore::HTMLAnchorElement::isKeyboardFocusable):
        * page/AccessibilityRenderObject.cpp:
        (WebCore::AccessibilityRenderObject::anchorElement):
        * rendering/InlineFlowBox.cpp:
        (WebCore::InlineFlowBox::determineSpacingForFlowBoxes):
        (WebCore::InlineFlowBox::paint):
        * rendering/RenderBlock.cpp:
        (WebCore::RenderBlock::removeChild):
        * rendering/RenderContainer.cpp:
        (WebCore::RenderContainer::updateBeforeAfterContentForContainer):
        * rendering/RenderFlow.h:
        (WebCore::RenderFlow::virtualContinuation):
        (WebCore::RenderFlow::continuation):
        * rendering/RenderInline.cpp:
        (WebCore::RenderInline::positionForCoordinates):
        * rendering/RenderObject.cpp:
        (WebCore::RenderObject::absoluteRects):
        (WebCore::RenderObject::absoluteQuads):
        (WebCore::RenderObject::addFocusRingRects):
        (WebCore::RenderObject::repaintAfterLayoutIfNeeded):
        (WebCore::RenderObject::getAbsoluteRepaintRectWithOutline):
        (WebCore::RenderObject::handleDynamicFloatPositionChange):
        (WebCore::RenderObject::hoverAncestor):
        (WebCore::RenderObject::updateDragState):
        (WebCore::RenderObject::updateHitTestResult):
        (WebCore::RenderObject::getTextDecorationColors):
        (WebCore::RenderObject::adjustRectForOutlineAndShadow):
        * rendering/RenderObject.h:
        (WebCore::RenderObject::virtualContinuation):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@39987 268f45cc-cd09-0410-ab3c-d52691b4dbfc