Reviewed by Anders Carlsson.

It is 1:1 with ShadowRoot and has virtually no functionality. What little there is can be moved to ShadowRoot or Element.

* CMakeLists.txt:
* GNUmakefile.list.am:
* Target.pri:
* WebCore.exp.in:
* WebCore.xcodeproj/project.pbxproj:
* css/StyleResolver.cpp:
(WebCore::StyleResolver::locateCousinList):
* css/StyleScopeResolver.cpp:
(WebCore::StyleScopeResolver::styleSharingCandidateMatchesHostRules):
(WebCore::StyleScopeResolver::matchHostRules):
* dom/ComposedShadowTreeWalker.cpp:
(WebCore::nodeCanBeDistributed):
(WebCore::ComposedShadowTreeWalker::traverseChild):
* dom/ContainerNode.cpp:
(WebCore::childAttachedAllowedWhenAttachingChildren):
* dom/ContainerNodeAlgorithms.cpp:
(WebCore::ChildNodeInsertionNotifier::notifyDescendantInsertedIntoDocument):
(WebCore::ChildNodeRemovalNotifier::notifyDescendantRemovedFromDocument):
(WebCore::ChildNodeRemovalNotifier::notifyDescendantRemovedFromTree):
(WebCore::assertConnectedSubrameCountIsConsistent):
* dom/ContainerNodeAlgorithms.h:
(WebCore::ChildFrameDisconnector::collectFrameOwners):
* dom/DOMAllInOne.cpp:
* dom/Document.cpp:
* dom/Element.cpp:
(WebCore::Element::~Element):
(WebCore::Element::attach):
(WebCore::Element::detach):
(WebCore::Element::shadowRoot):
(WebCore::Element::didAffectSelector):
(WebCore::Element::addShadowRoot):
(WebCore::Element::removeShadowRoot):
        
    Move addShadowRoot and removeShadowRoot here from ElementShadow.

(WebCore::Element::createShadowRoot):
(WebCore::Element::authorShadowRoot):
(WebCore::Element::userAgentShadowRoot):
(WebCore::Element::ensureUserAgentShadowRoot):
(WebCore::Element::childrenChanged):
(WebCore::Element::removeAllEventListeners):
* dom/Element.h:
(WebCore::isShadowHost):
* dom/ElementRareData.h:
(WebCore::ElementRareData::clearShadowRoot):
(WebCore::ElementRareData::shadowRoot):
(WebCore::ElementRareData::setShadowRoot):
(WebCore::ElementRareData::~ElementRareData):
* dom/ElementShadow.cpp: Removed.
* dom/ElementShadow.h: Removed.
* dom/EventDispatcher.cpp:
* dom/EventPathWalker.cpp:
(WebCore::EventPathWalker::moveToParent):
* dom/Node.cpp:
(WebCore::Node::needsShadowTreeWalkerSlow):
* dom/NodeRenderingContext.cpp:
* dom/NodeRenderingContext.h:
* dom/ShadowRoot.cpp:
(WebCore::ShadowRoot::attach):
(WebCore::ShadowRoot::detach):
        
    Move attached() tests from ElementShadow.

(WebCore::ShadowRoot::childrenChanged):
(WebCore::ShadowRoot::removeAllEventListeners):
        
    Move here from ElementShadow.

* dom/ShadowRoot.h:
(WebCore::Node::shadowRoot):
* dom/TreeScopeAdopter.cpp:
* html/ColorInputType.cpp:
(WebCore::ColorInputType::createShadowSubtree):
* html/FileInputType.cpp:
(WebCore::FileInputType::createShadowSubtree):
(WebCore::FileInputType::disabledAttributeChanged):
(WebCore::FileInputType::multipleAttributeChanged):
* html/HTMLFormControlElement.cpp:
* html/HTMLImageElement.cpp:
(WebCore::HTMLImageElement::canStartSelection):
* html/HTMLInputElement.cpp:
(WebCore::HTMLInputElement::updateType):
* html/HTMLKeygenElement.cpp:
* html/HTMLMediaElement.cpp:
* html/HTMLTextAreaElement.cpp:
* html/InputType.cpp:
* html/RangeInputType.cpp:
(WebCore::RangeInputType::handleMouseDownEvent):
(WebCore::RangeInputType::createShadowSubtree):
* html/TextFieldInputType.cpp:
(WebCore::TextFieldInputType::createShadowSubtree):
* html/ValidationMessage.cpp:
* html/shadow/ContentDistributor.cpp:
(WebCore::ContentDistributor::distribute):
(WebCore::ContentDistributor::ensureDistribution):
* html/shadow/ContentDistributor.h:
(WebCore::ContentDistributor::isValid):
* html/shadow/InsertionPoint.cpp:
(WebCore::InsertionPoint::childrenChanged):
(WebCore::InsertionPoint::insertedInto):
(WebCore::InsertionPoint::removedFrom):
(WebCore::resolveReprojection):
* html/shadow/InsertionPoint.h:
(WebCore::shadowRootOfParentForDistribution):
* html/shadow/SliderThumbElement.cpp:
* inspector/InspectorDOMAgent.cpp:
(WebCore::InspectorDOMAgent::unbind):
(WebCore::InspectorDOMAgent::buildObjectForNode):
* page/FocusController.cpp:
(WebCore::FocusNavigationScope::focusNavigationScopeOwnedByShadowHost):
* rendering/RenderFileUploadControl.cpp:
(WebCore::RenderFileUploadControl::uploadButton):
* rendering/RenderTheme.cpp:
* style/StyleResolveTree.cpp:
(WebCore::Style::resolveTree):
* svg/SVGTRefElement.cpp:
(WebCore::SVGTRefElement::updateReferencedText):
(WebCore::SVGTRefElement::detachTarget):
* svg/SVGUseElement.cpp:
(WebCore::SVGUseElement::clearResourceReferences):
(WebCore::SVGUseElement::buildShadowAndInstanceTree):
(WebCore::SVGUseElement::buildShadowTree):
* testing/Internals.cpp:
(WebCore::Internals::ensureShadowRoot):
(WebCore::Internals::shadowRoot):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154106 268f45cc-cd09-0410-ab3c-d52691b4dbfc