https://bugs.webkit.org/show_bug.cgi?id=121005

Reviewed by Andreas Kling.

Rename to needsNodeRenderingTraversalSlowPath.

* dom/ContainerNode.h:
(WebCore::Node::needsNodeRenderingTraversalSlowPath):
* dom/Element.cpp:
(WebCore::shouldUseNodeRenderingTraversalSlowPath):
(WebCore::Element::resetNeedsNodeRenderingTraversalSlowPath):

    Only Elements can have this flag. Move the code here from Node.

(WebCore::Element::addShadowRoot):
(WebCore::Element::setBeforePseudoElement):
(WebCore::Element::setAfterPseudoElement):
(WebCore::Element::clearBeforePseudoElement):
(WebCore::Element::clearAfterPseudoElement):

    Reset after clear too.

* dom/Element.h:
* dom/Element.h:
* dom/Node.cpp:
* dom/Node.h:
(WebCore::Node::isInsertionPoint):
(WebCore::Node::setNeedsNodeRenderingTraversalSlowPath):
        
    Make protected.

* dom/NodeRenderingTraversal.h:
(WebCore::NodeRenderingTraversal::parent):
(WebCore::NodeRenderingTraversal::nextSibling):
(WebCore::NodeRenderingTraversal::previousSibling):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@155303 268f45cc-cd09-0410-ab3c-d52691b4dbfc