https://bugs.webkit.org/show_bug.cgi?id=120204

Reviewed by Andreas Kling.

We have generic looking Element::pseudoElement(PseudoID) which only returns before/after pseudo elements.
        
Switch to Element::before/afterPseudoElement(), similarly for setters.

* WebCore.exp.in:
* css/CSSComputedStyleDeclaration.cpp:
(WebCore::ComputedStyleExtractor::styledNode):
* dom/Element.cpp:
(WebCore::Element::~Element):
(WebCore::beforeOrAfterPseudeoElement):
(WebCore::Element::computedStyle):
(WebCore::Element::updatePseudoElement):
(WebCore::Element::createPseudoElementIfNeeded):
(WebCore::Element::updateBeforePseudoElement):
(WebCore::Element::updateAfterPseudoElement):
(WebCore::Element::beforePseudoElement):
(WebCore::Element::afterPseudoElement):
(WebCore::Element::setBeforePseudoElement):
(WebCore::Element::setAfterPseudoElement):
(WebCore::disconnectPseudoElement):
(WebCore::Element::clearBeforePseudoElement):
(WebCore::Element::clearAfterPseudoElement):
(WebCore::Element::clearStyleDerivedDataBeforeDetachingRenderer):
* dom/Element.h:
* dom/ElementRareData.h:
(WebCore::ElementRareData::beforePseudoElement):
(WebCore::ElementRareData::afterPseudoElement):
(WebCore::ElementRareData::hasPseudoElements):
(WebCore::ElementRareData::~ElementRareData):
(WebCore::ElementRareData::clearBeforePseudoElement):
(WebCore::ElementRareData::clearAfterPseudoElement):
(WebCore::ElementRareData::setBeforePseudoElement):
(WebCore::ElementRareData::setAfterPseudoElement):
        
    Move detach logic to Element. ElementRareData should not implement semantics.

* dom/Node.cpp:
(WebCore::Node::pseudoAwarePreviousSibling):
(WebCore::Node::pseudoAwareNextSibling):
(WebCore::Node::pseudoAwareFirstChild):
(WebCore::Node::pseudoAwareLastChild):
* dom/NodeRenderingTraversal.cpp:
(WebCore::NodeRenderingTraversal::nextSiblingSlow):
(WebCore::NodeRenderingTraversal::previousSiblingSlow):
* rendering/RenderTreeAsText.cpp:
(WebCore::writeCounterValuesFromChildren):
(WebCore::counterValueForElement):
* style/StyleResolveTree.cpp:
(WebCore::Style::attachRenderTree):
(WebCore::Style::resolveTree):
* testing/Internals.cpp:
(WebCore::Internals::pauseAnimationAtTimeOnPseudoElement):
(WebCore::Internals::pauseTransitionAtTimeOnPseudoElement):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154541 268f45cc-cd09-0410-ab3c-d52691b4dbfc